Cities Index.
Agenda packet

Lake Elsinore City Council
February 24, 2026

Document
Agenda packet
Meeting
February 24, 2026
Body
Lake Elsinore City Council
Pages
1,966
Original file
270.8 MB
Text extracted from the city's file for reading and search. Open the original on pub-lake-elsinore.escribemeetings.com. That file is the official record.

1/21/22, 10:02 AM Inventory of Rare and Endangered Plants of California - Search Result Texosporium
sancti-jacobi
woven-spored
lichen
crustose lichen
(terricolous)
None None 3 Chaparral 195 2165
Tortula californica California
screw moss
moss None None 1B.2 Chenopod
scrub,
Valley and
foothill
grassland
35 4790 Yes
Trichocoronis
wrightii var.
wrightii
Wright's
trichocoronis
annual herb May-Sep None None 2B.1 Marshes
and
swamps,
Meadows
and seeps,
Riparian
forest,
Vernal
pools
15 1425
Viguiera laciniata San Diego
County
viguiera
perennial shrub FebJun(Aug)None None 4.3 Chaparral,
Coastal
scrub
195 2460
Viguiera purisimae La Purisima
viguiera
shrub Apr-Sep None None 2B.3 Chaparral,
Coastal
bluff scrub
1200 1395
Showing 1 to 72 of 72 entries
Suggested Citation:

California Native Plant Society, Rare Plant Program. 2022. Inventory of Rare and Endangered Plants of California (online edition, v9-01 1.0).

Website https://www.rareplants.cnps.org [accessed 21 January 2022].

CONTACT US
Send questions and comments
to [email protected].

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Copyright © 2010-2022 California Native Plant Society. All rights reserved. https://rareplants.cnps.org/Search/result?frm=T&sl=1&quad=3311763:3311774:3311773:3311772:3311762:3311752:3311753:3311754:3311764: 10/10 Appendix C
Cultural Resources Inventory for the Collier
Commercial Properties Project

CONFIDENTIAL
Cultural Resources Inventory
for the
Collier Commercial Properties Project
City of Lake Elsinore, California
Prepared For:

Collier Commercial Properties, LLC
43 Golfview Drive
Dove Canyon, California 92679
Prepared By:
3838 Camino Del Rio North, Suite 370
San Diego, California 92108
April 2022

Cultural Resources Inventory Report

MANAGEMENT SUMMARY
Collier Commercial Properties, LLC retained ECORP Consulting, Inc. in 2021 to conduct a cultural resources inventory for the proposed Collier Commercial Properties Project (Project or Proposed Project) in Riverside County, California. Collier Commercial Properties, LLC proposes to develop three parcels (APNs 377-190-002, 377-190-003, and 377-190-004) on approximately 2.8 acres in the City of Lake Elsinore. The inventory included a records search, literature review, and field survey.

The records search indicated that 55 previous cultural resource studies have been conducted within 1 mile of the Project Area, none of which overlap the Project Area. The records search also indicated that no resources have previously been recorded within the Project Area; however, 197 resources have been recorded within 1 mile of the Project Area: five pre-contact resources, one multicomponent resource, and 191 historic-period resources.

A search of the Sacred Lands File was requested from the Native American Heritage Commission. The results of the Sacred Lands File records search were negative, indicating no recorded presence of Native American Sacred Lands within the Project Area.

No pre-contact or historic-period sites or isolated finds were identified as a result of the records search and field survey. The Project would, therefore, not result in any significant impacts to known Historical Resources under the California Environmental Quality Act (CEQA) and Section 106 of the National Historic Preservation Act (NHPA) and its implementing regulations in 36 CFR 800. The archaeological sensitivity of the Project Area is believed to be moderate; however, there always remains a potential for grounddisturbing activities to expose previously unrecorded cultural resources. Recommendations for the management of unanticipated discoveries are provided.

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TABLE OF CONTENTS

1.0 INTRODUCTION .............................................................................................................................................................. 1-1

1.1 Project Location.............................................................................................................................................. 1-1

1.2 Project Description ........................................................................................................................................ 1-1

1.3 Area of Potential Effects .............................................................................................................................. 1-1

1.4 Regulatory Context........................................................................................................................................ 1-3

1.5 Report Organization ..................................................................................................................................... 1-4

2.0 SETTING.............................................................................................................................................................................. 2-1

2.1 Environmental Setting.................................................................................................................................. 2-1

2.2 Geology and Soils .......................................................................................................................................... 2-1

2.3 Vegetation and Wildlife............................................................................................................................... 2-1

3.0 CULTURAL CONTEXT..................................................................................................................................................... 3-1

3.1 Regional Precontact History ...................................................................................................................... 3-1

3.1.1 Paleo-Indian Period/Terminal Pleistocene (12,000 Before Present [BP] to 10,000 BP)......................................................................................................................................... 3-1

3.1.2 Early Archaic Period/Early Holocene (10,000 BP to 8,500 BP) ..................................... 3-1

3.1.3 Encinitas Tradition or Milling Stone Period/Middle Holocene (8,500 BP to 1,250 BP) ........................................................................................................................................... 3-1

3.1.4 Palomar Tradition (1,250 BP to 150 BP)................................................................................ 3-2

3.2 Ethnohistory ..................................................................................................................................................... 3-3

3.3 Regional History ............................................................................................................................................. 3-4

3.4 Project Area History ...................................................................................................................................... 3-5

4.0 METHODS.......................................................................................................................................................................... 4-1

4.1 Personnel Qualifications.............................................................................................................................. 4-1

4.2 Records Search Methods ............................................................................................................................ 4-1

4.3 Sacred Lands File Coordination Methods ............................................................................................ 4-2

4.4 Field Methods.................................................................................................................................................. 4-2

5.0 RESULTS.............................................................................................................................................................................. 5-1

5.1 Records Search................................................................................................................................................ 5-1

5.1.2 Records.............................................................................................................................................. 5-1

5.1.3 Map Review and Aerial Photographs .................................................................................... 5-2

5.2 Sacred Lands File Results ............................................................................................................................ 5-3

5.3 Field Survey Results....................................................................................................................................... 5-3

6.0 MANAGEMENT CONSIDERATIONS......................................................................................................................... 6-1

6.1 Conclusions ...................................................................................................................................................... 6-1

6.2 Likelihood for Subsurface Cultural Resources .................................................................................... 6-1 ECORP Consulting, Inc. April 2022 ii
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6.3 Recommendations......................................................................................................................................... 6-1

6.3.1 Contractor Awareness Training................................................................................................ 6-1

6.3.2 Post-Review Discoveries............................................................................................................. 6-1

7.0 REFERENCES CITED ........................................................................................................................................................ 7-1

LIST OF FIGURES
Figure 1-1. Project Location and Vicinity ............................................................................................................................... 1-2 Figure 5-1. Project Area overview from southeastern corner (view west, March 23, 2022). ............................. 5-3 Figure 5-2. Project Area overview from northeastern corner (view south, March 23, 2022)............................. 5-4 Figure 5-3. Overview of ground conditions (view detail, March 23, 2022)............................................................... 5-4

LIST OF TABLES
Table 5-1. GLO Land Patent Records....................................................................................................................................... 5-2

LIST OF ATTACHMENTS
Attachment A – Sacred Lands File Coordination
Attachment B – Project Area Photographs
Attachment C – Confidential Cultural Resource Site Locations and Site Records ECORP Consulting, Inc. April 2022 iii
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LIST OF ACRONYMS AND ABBREVIATIONS
Term Description
AB Assembly Bill
APE Area of Potential Effects
BLM Bureau of Land Management
BP Before present
Caltrans California Department of Transportation
CCR California Code of Regulations
CEQA California Environmental Quality Act
CFR Code of Federal Regulations
CHRIS California Historical Resources Information System CRHR California Register of Historical Resources
DPR Department of Parks and Recreation
ECORP ECORP Consulting, Inc.

EIC Eastern Information Center
GLO General Land Office
MLD Most Likely Descendant
NAHC Native American Heritage Commission
NHPA National Historic Preservation Act
NPS National Park Service
NRCS Natural Resources Conservation Service
NRHP National Register of Historic Places
OHP Office of Historic Preservation
PRC Public Resources Code
RPA Registered Professional Archaeologist
SOI Secretary of the Interior
U.S. United States of America
USC U.S. Code
USGS U.S. Geological Survey
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1.0 Cultural Resources Inventory Report

INTRODUCTION
Collier Commercial Properties, LLC retained ECORP Consulting, Inc. in 2021 to conduct a cultural resources inventory for the proposed Collier Commercial Properties Project (Project or Proposed Project) in the City of Lake Elsinore in Riverside County, California. A survey of the property was required to identify potentially eligible cultural resources (archaeological sites and historic buildings, structures, and objects) that could be affected by the Project.

1.1 Project Location
The Project Area consists of approximately 2.8 acres of property located in the northeast quarter of Section 6, of Township 6 South, Range 4 West, San Bernardino Base and Meridian as depicted on the 1997 Lake Elsinore, California United States Geological Survey (USGS) 7.5-minute topographic quadrangle map (Figure 1-1). This property is an undeveloped partially paved area, bounded to the east by a reservoir, to the south by West Minthorn Street, to the north by Collier Avenue, and to the west by a commercial property.

1.2 Project Description
The Project proposes the construction of two buildings which include an office, conference room, storage, and an electrical room. Two driveways, parking spaces, a sidewalk, gravel fill, landscaping, and a block wall along the western boundary will also be installed with this Project. It is assumed that the entire 2.8-acre Project site will be developed.

1.3 Area of Potential Effects
The Area of Potential Effects (APE) consists of the horizontal and vertical limits of a project and includes the area within which significant impacts or adverse effects to Historical Resources or Historic Properties could occur as a result of the project. The APE is defined for projects subject to regulations implementing Section 106 (federal law and regulations). For projects subject to the California Environmental Quality Act (CEQA), the term Project Area is used rather than APE. The terms Project Area and APE are interchangeable for the purpose of this document.

The horizontal APE consists of all areas where activities associated with a project are proposed and, in the case of the current Project, equals the Project Area subject to environmental review under the National Environmental Policy Act and CEQA. The horizontal APE is illustrated on Figure 1-1 and also represents the survey coverage area. It measures approximately 0.10 mile in length by 0.06 mile in width.

ECORP Consulting, Inc. April 2022 1-1 Collier Commercial Properties Project 2022-020

Loca tion: N: \2022 \2022 -020 Co llier Commerc ial\MAPS \Loca tion _Vicinity\Co llier _LnV _V1.mxd (MAG)-mguidry 3/25/2022 Project Area
Riverside County, California
La Laguna (Stearns) Unsectioned
Land Grant
Latitude (NAD83): 33.681735°
Longitude (NAD83): -117.330155°
Sc ale in F eet I 0 1,000 2,000
Lake Elsinore (1997, NAD 27)
CA 7.5-minute Topographic Quadrangle
US Geological Survey
Map Date: 3/25/2022
Sources: Collier Commercial Property, Esri, USGS
Figure 1-1. Project Location and Vicinity
2022 -020 Co llier Commerc ial

1.4 Cultural Resources Inventory Report
The vertical APE is described as the maximum depth below the surface to which excavations for Project foundations and facilities will extend. Therefore, the vertical APE includes all subsurface areas where archaeological deposits could be affected. The subsurface vertical APE varies across the Project.

The vertical APE also is described as the maximum height of structures that could impact the physical integrity and integrity of setting of cultural resources, including districts and traditional cultural properties.

This study assumes the maximum height for structures will not exceed 30 feet.

Regulatory Context
This cultural resources investigation was conducted pursuant to the provisions for the treatment of cultural resources contained within Section 106 of the National Historic Preservation Act (NHPA) and in CEQA (Public Resources Code [PRC] § 21000 et seq.) to meet the regulatory requirements of this Project.

The goal of NHPA and CEQA is to develop and maintain a high-quality environment that serves to identify the significant environmental effects of the actions of a proposed project and to either avoid or mitigate those significant effects where feasible. CEQA pertains to all proposed projects that require state or local government agency approval, including the enactment of zoning ordinances, the issuance of conditional use permits, and the approval of development project maps. The NHPA pertains to projects that entail some degree of federal funding or permit approval.

The NHPA and CEQA (Title 54 U.S. Code [USC] Section 100101 et seq and Title 14, California Code of Regulations [CCR], Article 5, § 15064.5) apply to cultural resources of the historical and precontact periods.

Any project with an effect that may cause a substantial adverse change in the significance of a cultural resource, either directly or indirectly, is a project that may have a significant effect on the environment. As a result, such a project would require avoidance or mitigation of impacts to those affected resources.

Significant cultural resources must meet at least one of four criteria that define eligibility for listing on either the California Register of Historical Resources (CRHR; PRC § 5024.1, Title 14 CCR, § 4852) or the National Register of Historic Places (NRHP; 36 Code of Federal Regulations [CFR] 60.4). Cultural resources eligible for listing on the NRHP are considered Historic Properties under 36 CFR Part 800 and are automatically eligible for the CRHR. Resources listed on or eligible for inclusion in the CRHR are considered Historical Resources under CEQA.

Tribal Cultural Resources are defined in Section 21074 of the California PRC as sites, features, places, cultural landscapes (geographically defined in terms of the size and scope), sacred places, and objects with cultural value to a California Native American tribe that are either included in or determined to be eligible for inclusion in the CRHR, or are included in a local register of historical resources as defined in subdivision (k) of Section 5020.1, or are a resource determined by the lead agency, in its discretion and supported by substantial evidence, to be significant pursuant to criteria set forth in subdivision (c) of Section 5024.1. Section 1(b)(4) of Assembly Bill (AB) 52 established that only California Native American tribes, as defined in Section 21073 of the California PRC, are experts in the identification of Tribal Cultural Resources and impacts thereto. Because ECORP does not meet the definition of a California Native American tribe, this report only addresses information for which ECORP is qualified to identify and evaluate, and that which is needed to inform the cultural resources section of CEQA documents. This report, therefore, does not identify or evaluate Tribal Cultural Resources. Should California Native ECORP Consulting, Inc. April 2022 1-3 Collier Commercial Properties Project 2022-020

1.5 Cultural Resources Inventory Report
American tribes ascribe additional importance to or interpretation of archaeological resources described herein, or provide information about non-archeological Tribal Cultural Resources, that information is documented separately in the AB 52 tribal consultation record between the tribe(s) and lead agency, and summarized in the Tribal Cultural Resources section of the CEQA document, if applicable.

Report Organization
The following report documents the study and its findings and was prepared in conformance with the California Office of Historic Preservation’s (OHP’s) Archaeological Resource Management Reports:

Recommended Contents and Format. Attachment A contains documentation of a search of the Sacred Lands File. Attachment B presents photographs of the Project Area, and Attachment C contains confidential cultural resource site locations and site records.

Sections 6253, 6254, and 6254.10 of the California Code authorize state agencies to exclude archaeological site information from public disclosure under the Public Records Act. In addition, the California Public Records Act (Government Code § 6250 et seq.) and California’s open meeting laws (The Brown Act, Government Code § 54950 et seq.) protect the confidentiality of Native American cultural place information. Under Exemption 3 of the federal Freedom of Information Act (5 USC 5), because the disclosure of cultural resources location information is prohibited by the Archaeological Resources Protection Act of 1979 (16 USC 470hh) and Section 307103 of the NHPA, it is also exempted from disclosure under the Freedom of Information Act. Likewise, the Information Centers of the California Historical Resources Information System (CHRIS) maintained by the OHP prohibit public dissemination of records search information. In compliance with these requirements, the results of this cultural resource investigation were prepared as a confidential document, which is not intended for public distribution in either paper or electronic format.

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2.0 SETTING

2.1 Environmental Setting
Elevations within the Project Area range from 1,291 to 1,280 feet above mean sea level. The Project Area is open land bounded by commercial properties to the east, west, and south, and by Collier Avenue to the north. The Project Area is in the City of Lake Elsinore. It is approximately 1.08 miles north of Lake Elsinore,

3.22 miles southwest of Canyon Lake, 4.73 miles east of the Santa Ana Mountains, and 0.06 mile southwest of the I-15 Freeway.

2.2 Geology and Soils
Sediments within the Project Area consist of Holocene and late Pleistocene (Qya) young alluvial channel deposits described as fluvial deposits along canyon floors (Morton and Weber 2003). Pleistocene and Holocene sediments are known to be contemporaneous with human occupation of the region.

According to the U.S. Department of Agriculture’s Natural Resources Conservation Service (NRCS) Web Soil Survey website (NRCS 2021), three soil types are located within the Project Area: Waukena loamy fine sand, found on nearly level basin areas, that is moderately well to poorly drained; Cortina gravelly coarse sand loam, with 2 to 8 percent slopes, found on alluvial fans and floodplains; and Arbuckle gravelly loam, with 15 to 25 percent slopes, well drained soils, formed in alluvium.

2.3 Vegetation and Wildlife
No vegetation communities are present in the Project Area because the entire site is disturbed. The Project is located within an urban environment that is generally subjected to repeated and ongoing disturbance from human activities and development. The dominant plant species observed in the Project Area are nonnative or invasive weedy species. California buckwheat (Eriogonum fasciculatum) scrub is noted to be present in the area surrounding the Project Area, in addition to commercial landscaping.

Wildlife species that may occur in the Project Area are those who thrive within an urban or disturbed environment. These include mammals such as the California ground squirrel (Otospermophilus beecheyi), desert cottontail (Sylvilagus audubonii), and Botta's pocket gopher; bird species include American pipit (Anthus rubescens), Anna's hummingbird (Calypte anna), and American crow (Corvus brachyrhynchos).

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3.0 Cultural Resources Inventory Report

CULTURAL CONTEXT

3.1 Regional Precontact History

3.1.1 Paleo-Indian Period/Terminal Pleistocene (12,000 Before Present [BP] to 10,000 BP)
The first inhabitants of Southern California were big-game hunters and gatherers exploiting extinct species of Pleistocene megafauna (e.g., mammoth and other Rancholabrean fauna). Local "fluted point" assemblages, composed of large spear points or knives, are stylistically and technologically similar to the Clovis Paleo-Indian cultural tradition dated to this period elsewhere in North America (Moratto 1984).

Archaeological evidence for this period in Southern California is limited to a few small temporary camps with fluted points found around late Pleistocene lake margins in the Mojave Desert and around Tulare Lake in the southern San Joaquin Valley. Single points are reported from Ocotillo Wells and Cuyamaca Pass in eastern San Diego County and from the Yuha Desert in Imperial County (Rondeau et al. 2007).

3.1.2 Early Archaic Period/Early Holocene (10,000 BP to 8,500 BP) Approximately 10,000 years ago, at the beginning of the Holocene, warming temperatures and the extinction of the megafauna resulted in changing subsistence strategies with an emphasis on hunting smaller game and increasing reliance on plant gathering. Previously, Early Holocene sites were represented by only a few sites and isolates from the Lake Mojave and San Dieguito complexes found along former lakebeds and grasslands of the Mojave Desert and in inland San Diego County. More recently, Southern California Early Holocene sites have been found along the Santa Barbara Channel (Erlandson 1994), in western Riverside County (Goldberg 2001; Grenda 1997), and along the San Diego County coast (Gallegos 1991; Koerper et al. 1991; Warren 1967).

The San Dieguito Complex was defined based on material found at the Harris site (CA-SDI-149) on the San Dieguito River near Lake Hodges in San Diego County. San Dieguito artifacts include large leafshaped points; leaf-shaped knives; large ovoid, domed, and rectangular end and side scrapers; engraving tools; and crescentics (Koerper et al. 1991). The San Dieguito Complex at the Harris site dates to 9,000 BP to 7,500 BP (Gallegos 1991). However, sites from this time period in coastal San Diego County have yielded artifacts and subsistence remains characteristic of the succeeding Encinitas Tradition, including manos, metates, core-cobble tools, and marine shell (Gallegos 1991; Koerper et al. 1991).

3.1.3 Encinitas Tradition or Milling Stone Period/Middle Holocene (8,500 BP to 1,250 BP)
The Encinitas Tradition (Warren 1968) and the Milling Stone Period (Wallace 1955) refer to a long period of time during which small mobile bands of people foraged for a wide variety of resources, including hard seeds, berries, and roots/tubers (yucca in inland areas), rabbits and other small animals, and shellfish and fish in coastal areas. Sites from the Encinitas Tradition consist of residential bases and resource acquisition locations with no evidence of overnight stays. Residential bases have hearths and fire-affected rock, ECORP Consulting, Inc. April 2022 3-1 Collier Commercial Properties Project 2022-020

Cultural Resources Inventory Report
indicating overnight stays and food preparation. Residential bases along the coast have large amounts of shell and are often termed shell middens.

The Encinitas Tradition as originally defined (Warren 1968) applied to all of the non-desert areas of Southern California. Recently, four patterns within the Encinitas Tradition have been proposed that apply to different regions of Southern California (Sutton and Gardner 2010). The Topanga Pattern includes archaeological material from the Los Angeles Basin and Orange County. The Greven Knoll Pattern pertains to southwestern San Bernardino County and western Riverside County (Sutton and Gardner 2010). Each of the patterns are divided into temporal phases. The Topanga I phase extends from 8,500 BP to 5,000 BP and Topanga II runs from 5,000 BP to 3,500 BP. The Topanga Pattern ended about 3,500 BP with the arrival of Takic speakers, except in the Santa Monica Mountains where the Topanga III phase lasted until about 2,000 BP.

The Encinitas Tradition in inland areas east of the Topanga Pattern (southwestern San Bernardino County and western Riverside County) is the Greven Knoll Pattern (Sutton and Gardner 2010). Greven Knoll I (9,400 BP to 4,000 BP) has abundant manos and metates. Projectile points are few and are mostly Pinto points. Greven Knoll II (4,000 BP to 3,000 BP) has abundant manos, metates, and core tools. Projectile points are mostly Elko points. The Elsinore site on the east shore of Lake Elsinore was occupied during Greven Knoll I and Greven Knoll II. During Greven Knoll I, faunal processing (butchering) took place at the lakeshore and floral processing (seed grinding), cooking, and the consumption of foodstuffs took place farther from the shore. The primary foods were rabbit meat and seeds from grasses, sage, and ragweed. A few deer, waterfowl, and reptiles were consumed. The recovered archaeological material suggests that a highly mobile population visited the site at a specific time each year. It is possible that their seasonal rounds included travel to the coast at other times of the year. These people had an unspecialized technology as exemplified by the numerous crescents, a multi-purpose tool. The few projectile points suggest that most of the small game was trapped using nets and snares (Grenda 1997). During Greven Knoll II, which included a warmer, drier climatic episode known as the Altithermal, it is thought that populations in interior Southern California concentrated at oases, of which Lake Elsinore was one. The Elsinore site (CA-RIV-2798) is one of five known Middle Holocene residential sites around Lake Elsinore.

Tools were mostly manos, metates, and hammerstones. Scraper planes were absent. Flaked-stone tools consisted mostly of utilized flakes used as scrapers. The Elsinore site during the Middle Holocene was a “recurrent extended encampment,” which could have been occupied during much of the year.

The Encinitas Tradition lasted longer in inland areas (until circa 1,000 BP). Greven Knoll III (3,000 BP to 1,000 BP) is present at the Liberty Grove site in Cucamonga (Salls 1983) and at sites in Cajon Pass that were defined as part of the Sayles Complex (Kowta 1969). Greven Knoll III sites have a large proportion of manos, metates, and core tools, as well as scraper planes. Kowta (1969) suggested the scraper planes may have been used to process yucca and agave. The faunal assemblage consists of large quantities of lagomorphs (rabbits and hares) and lesser quantities of deer, rodents, birds, carnivores, and reptiles.

3.1.4 Palomar Tradition (1,250 BP to 150 BP)
The material culture of the inland areas — where Takic languages, which form a branch or subfamily of the Uto-Aztecan language family, were spoken at the time of Spanish contact — is part of the Palomar ECORP Consulting, Inc. April 2022 3-2 Collier Commercial Properties Project 2022-020

3.2 Cultural Resources Inventory Report
Tradition (Sutton 2011). San Luis Rey I Phase (1,000 BP to 500 BP) and San Luis Rey II Phase (500 BP to 150 BP) pertain to the area occupied by the Luiseño at the time of Spanish contact. The Peninsular I (1,000 BP to 750 BP), Peninsular II (750 BP to 300 BP), and Peninsular III (300 BP to 150 BP) phases are used in the areas occupied by the Cahuilla and Serrano (Sutton 2011).

San Luis Rey I is characterized by Cottonwood Triangular arrow points, use of bedrock mortars, stone pendants, shell beads, quartz crystals, and bone tools. San Luis Rey II sees the addition of ceramics, including ceramic cremation urns, red pictographs on boulders in village sites, and steatite arrow straighteners. San Luis Rey II represents the archaeological manifestation of the antecedents of the historically known Luiseño (Goldberg 2001:I-43). During San Luis Rey I, there were a series of small permanent residential bases at water sources, each occupied by a kin group (probably a lineage). During San Luis Rey II, people from several related residential bases moved into a large village located at the most reliable water source (Waugh 1986). Each village had a territory that included acorn harvesting camps at higher elevations. Villages have numerous bedrock mortars, large dense midden areas with a full range of flaked and ground stone tools, rock art, and a cemetery.

Ethnohistory
Ethnographic accounts of Native Americans indicate that the Project Area lies predominantly within the original territory of the Luiseño. The Luiseño are a Takic-speaking people who occupied what is now western Riverside County and northern San Diego County (the San Luis Rey River drainage) in prehistoric and historic times. The term Luiseño was given by the Spanish to the native groups who were living in this area and who were forcibly removed to Mission San Luis Rey. The Luiseño believe the world was created in the area now known as Temecula and that they have been here since the beginning of time.

Specifically, the region around Lake Elsinore was called Etengvo Wumoma – “Hot Springs by the Little Sea” and has been inhabited since as early as 6,000 years ago (City of Lake Elsinore 2011).

The Luiseño lived in sedentary and autonomous village groups, each with specific subsistence territories encompassing hunting, collecting, and fishing areas. Villages were typically located in valley bottoms, along streams, or along coastal strands near mountain ranges where water was available and village defense was possible. Inland populations had access to fishing and gathering sites on the coast, which they used during the winter months (Bean and Shipek 1978).

Luiseño subsistence was centered around the gathering of acorns, seeds, greens, bulbs, roots, berries, and other vegetal foods. This was supplemented with hunting mammals such as deer, antelope, rabbit, woodrat, ground squirrels, and mice, as well as quail, doves, ducks, and other birds. Bands along the coast also exploited marine resources, such as sea mammals, fish, crustaceans, and mollusks. Inland, trout and other fish were taken from mountain streams (Bean and Shipek 1978).

Hunting was carried out both individually and by organized groups. Tool technology for food acquisition, storage, and preparation reflects the size and quantity of items procured. Small game was hunted with the use of curved throwing sticks, nets, slings, or traps. Bows and arrows were used for hunting larger game.

Dugout canoes, basketry fish traps, and shell hooks were used for near-shore ocean fishing. Coiled and twined baskets were made for food gathering, preparation, storing, and serving. Other items used for food processing included large shallow trays for winnowing chaff from grain, ceramic and basketry ECORP Consulting, Inc. April 2022 3-3 Collier Commercial Properties Project 2022-020

3.3 Cultural Resources Inventory Report
storage containers, manos and metates for grinding seeds, and ceramic jars for cooking (Bean and Shipek 1978).

Villages had hereditary chiefs who controlled religious, economic, and territorial activities (Bean and Shipek 1978; Boscana 1933). An advisory council of ritual specialists and shamans was consulted for environmental and other knowledge. large villages located along the coast or in inland valleys may have had more complex social and political structures than settlements controlling smaller territories (Bean and Shipek 1978; Strong 1929).

Most Luiseño villages contained a ceremonial structure, which were enclosed by circular fencing and located near the center of the village. Houses were semisubterranean and thatched with locally available brush, bark, or reeds. Earth-covered semisubterranean sweathouses were also common and were used for purification and curing rituals (Bean and Shipek 1978).

The Luiseño first came into contact with Europeans in 1769 when the expedition led by Gaspar de Portolá arrived in their territory. That same year, the San Diego Mission was established just to the south, followed by the San Juan Capistrano Mission in 1776 and the San Luis Rey Mission in 1798. Poor living conditions at the missions and introduced European diseases led to a rapid decline of the Luiseño population.

Following the Mission Period (1769-1834), Luiseño Indians scattered throughout southern California.

Some became serfs on the Mexican ranchos, others moved to newly founded pueblos established for them, some sought refuge among inland groups, and a few managed to acquire land grants. Later, many moved to or were forced onto reservations. Although many of their cultural traditions had been suppressed during the Mission Period, the Luiseño were successful at retaining their language and certain rituals and ceremonies. Starting in the 1970s, there was a revival of interest in the Luiseño language and classes were organized. Since then, traditional games, songs, and dances have been performed, traditional foods have been gathered and prepared, and traditional medicines and curing procedures have been practiced (Bean and Shipek 1978).

Regional History
The first European to visit California was Spanish maritime explorer Juan Rodriguez Cabrillo in 1542. The Viceroy of New Spain (Mexico) sent Cabrillo north to look for the Northwest Passage. Cabrillo visited San Diego Bay, Catalina Island, San Pedro Bay, and the northern Channel Islands. The English adventurer Francis Drake visited the Miwok Native American group at Drake’s Bay or Bodega Bay in 1579. Sebastian Vizcaíno explored the coast as far north as Monterey in 1602. He reported that Monterey was an excellent location for a port (Castillo 1978). Vizcaíno also named San Diego Bay to commemorate Saint Didacus.

San Diego began to appear on European maps of the New World by 1624 (Gudde 1998).

Colonization of California by Euro-Americans began with the Spanish Portolá land expedition. The expedition, led by Captain Gaspar de Portolá of the Spanish army and Father Junipero Serra, a Franciscan missionary, explored the California coast from San Diego to the Monterey Bay area in 1769. As a result of this expedition, Spanish missions to convert the native population, presidios (forts), and towns were established. The Franciscan missionary friars established 21 missions in Alta California (the area north of Baja California), beginning with Mission San Diego in 1769 and ending with the mission in Sonoma established in 1823. The purpose of the missions and presidios was to establish Spanish economic, ECORP Consulting, Inc. April 2022 3-4 Collier Commercial Properties Project 2022-020

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military, political, and religious control over the Alta California territory. Mission San Gabriel Archangel was founded in 1771, east of what is now Los Angeles, to convert the Tongva or Gabrielino. Mission San Luis Rey was established in 1798 on the San Luis Rey River (in what is now northern San Diego County) to convert the Luiseño (Castillo 1978). Some missions later established outposts in inland areas. An asistencia (mission outpost) of Mission San Luis Rey, known as San Antonio de Pala, was built in Luiseño territory along the upper San Luis Rey River near Mount Palomar in 1810 (Pourade 1961). A chapel administered by Mission San Gabriel Archangel was established in the San Bernardino area in 1819 (Bean and Smith 1978).

The present asistencia within the western outskirts of present-day Redlands was built circa 1830 (Haenszel and Reynolds 1975).

The missions sustained themselves through cattle ranching and traded hides and tallow for supplies brought by ship. Large cattle ranches were established by Mission San Luis Rey at Temecula and San Jacinto (Gunther 1984). The Spanish also constructed presidios, or forts, at San Diego and Santa Barbara, and established a pueblo, or town, at Los Angeles. The Spanish period in California began in 1769 with the Portolá expedition and ended in 1821 with Mexican independence.

After Mexico became independent from Spain in 1821, what is now California became the Mexican province of Alta California. The Mexican government closed the missions in the 1830s and former mission lands were granted to retired soldiers and other Mexican citizens for use as cattle ranches. Much of the land along the coast and in the interior valleys became part of Mexican land grants or “ranchos” (Robinson 1948). The rancho owners lived in an adobe house on the rancho. The Mexican period includes the years 1821 to 1848.

The American period began when Mexico and the U.S. signed the Treaty of Guadalupe Hidalgo in 1848 that ended the Mexican-American War. As a result of the treaty, Alta California became part of the U.S. as the territory of California. Rapid population increase occasioned by the Gold Rush of 1849 allowed California to become a state in 1850. Most Mexican land grants were confirmed to the grantees by U.S. courts, but usually with more restricted boundaries, which were surveyed by the U.S. Surveyor General’s office. Land that was not part of a land grant was owned by the U.S. government until it was acquired by individuals through purchase or homesteading. Floods and drought in the 1860s greatly reduced the cattle herds on the ranchos, making it difficult to pay the new American taxes on the thousands of acres they owned. Many Mexican-American cattle ranchers borrowed money at usurious rates from newly arrived Anglo-Americans. The resulting foreclosures and land sales transferred most of the land grants into the hands of Anglo-Americans (Cleland 1941).

Project Area History
The Project Area is near the present-day city limits of the City of Lake Elsinore. The community was founded in 1883 on the northeast shore of La Laguna (Lake Elsinore), a shallow body of brackish water that expands and shrinks depending on inflow from the San Jacinto River. The land on which the historic town center is located was part of Rancho La Laguna, granted to Julian Manriquez by Governor Manuel Micheltorena in 1844. When Manriquez died a few years later, the rancho was inherited by his wife, Trinidad Manriquez, and their children. Señora Manriquez sold Rancho La Laguna to Abel Stearns in 1852, and Stearns sold the land to Augustin Machado in 1858. Augustin Machado died in 1865, leaving the ECORP Consulting, Inc. April 2022 3-5 Collier Commercial Properties Project 2022-020

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rancho to his widow, Ramona Machado, and their 12 children. Señora Machado and 11 of her children sold their interests in the land, comprising the majority of Rancho La Laguna, to Charles A. Sumner, an immigrant from England, in 1873. Two years later, Sumner mortgaged the rancho to the Temple and Workman Bank of Los Angeles; however, he defaulted on the mortgage and the bank foreclosed. In 1877, Frederick M. Sumner, Charles Sumner’s brother, acquired Rancho La Laguna, but sold it to Arthur Scrivener as trustee for the London and San Francisco Bank in 1881. Two years later, the 12,832-acre rancho was purchased by Franklin Heald, Donald Graham, and William Collier for $24,000 (Gunther 1984; Hudson 1978).

Heald, Graham, and Collier intended to establish a town called Laguna, and requested a post office from the U.S. Government. The Post Office Department would not grant the name because Laguna was already taken by a settlement on the southern California coast. Collier’s sister (Graham’s wife), Margaret Collier Graham, suggested the name Elsinore, after the Danish setting of Shakespeare’s Hamlet. The town and the lake were given the name, and the Elsinore Post Office opened in 1883 (Gunther 1984).

The City of Elsinore, in what was then San Diego County, was incorporated on April 9, 1888, supported by the tourist attraction of its hot springs, the nearby clay products industries of Alberhill and Terra Cotta City, ranching, and the farming of olives, apricots, citrus, and walnuts. Elsinore became one of the judicial townships and election districts of the new Riverside County, which was formed in 1893. The California Southern Railway reached Elsinore Junction in 1882 on its route from San Diego to San Bernardino. A spur to Elsinore from Elsinore Junction was subsequently built in 1895, with an extension to Alberhill in 1896 (Gunther 1984; Robertson 1998). The South Riverside Land and Water Company bought the lake itself from Heald, Graham, and Collier in 1893 with the intention of piping water to South Riverside (Corona) to irrigate citrus groves. Within five years, the project was stopped because the alkaline water was killing the trees (Gunther 1984; Hudson 1978).

Elsinore remained a small town for most of the 20th century, relying mostly on agriculture, the clay industry, and tourism for its economy. The lake completely dried and was filled again in the 1880s and 1890s. Flooding of the San Jacinto River caused the lake to overflow in 1916 and 1921. In the 1930s, the Great Depression nearly halted economic growth completely; however, after World War II, plans were initiated to capitalize on tourism and recreation. The Lake Elsinore Park and Recreation District was created in 1948 to stabilize the lake and market it for recreational use; however, the lake completely dried out in 1951. After partially filling in 1952, it was again dry by 1954. Efforts continued to establish a park and Governor Goodwin Knight established a $350,000 fund for the Lake Elsinore State Park Project in 1956. Heavy rains in 1958 partially filled the lake, but it was soon desiccated again. The Lake Elsinore State Recreation Area was dedicated in 1962. Colorado River water was purchased and pumped into the lake, which was refilled by 1964. Since then, the lake’s level has been maintained by a combination of natural inflow and well water. Floods in 1978 and 1980 partially inundated the downtown section of the city (Gunther 1984; Hudson 1978).

In 1972, the Elsinore Chamber of Commerce suggested the city change its name to Lake Elsinore as a promotional tactic. The proposal was approved by residents in a vote held in November of the same year.

The California Secretary of State and the U.S. Post Office approved the new name shortly thereafter and it was officially changed from Elsinore to Lake Elsinore on December 15, 1972 (Gunther 1984; Hudson 1978).

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The completion of State Highway 74 and Interstate 15 through Lake Elsinore greatly improved transportation to the City of Riverside, as well as to San Diego, San Bernardino, and Orange counties.

Increased residential and commercial development followed. The population of the City of Lake Elsinore was approximately 47,600 in 2007 (City of Lake Elsinore 2022).

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4.0 METHODS

4.1 Personnel Qualifications
All phases of the cultural resources investigation were supervised by Registered Professional Archaeologist (RPA) John O’Connor, Ph.D., who meets the Secretary of the Interior’s (SOI’s) Professional Qualifications Standards for prehistoric and historical archaeology. Fieldwork was conducted by Staff Archaeologist Julian Acuña, M.A., RPA, who also served as co-author of this report. Senior Archaeologist Sonia Sifuentes, M.S., RPA served as co-author of this report. Lisa Westwood, M.A., RPA provided technical report review and quality assurance.

Dr. O’Connor, RPA has over 12 years of archaeological experience in North America and the Pacific Islands. His experience includes cultural resources management, academic research, museum collections management, and university teaching. Dr. O’Connor meets the SOI’s Professional Qualifications Standards for prehistoric and historic archaeology. He is well versed in the evaluation of impacts to cultural resources for CEQA and NHPA projects and has written or otherwise contributed to numerous environmental compliance documents. Dr. O’Connor serves as the Southern California Cultural Resources Manager for ECORP.

Sonia Sifuentes, RPA is a Senior Archaeologist at ECORP and has more than 14 years of experience in cultural resources management, primarily in southern California. Ms. Sifuentes holds a M.S. in Archaeology of the North and meets the SOI’s Professional Qualifications Standards for prehistoric and historic archaeology. She has participated in and supervised numerous surveys, test programs, and data recovery excavations for both prehistoric and historical sites; and has cataloged, identified, and curated thousands of artifacts. She has conducted evaluations of cultural resources for eligibility for the NRHP and CRHR. Ms.

Sifuentes is experienced in the organization and execution of field projects in compliance with Section 106 of the NHPA and CEQA. She has contributed to and authored numerous cultural resources technical reports, research designs, and cultural resources management plans.

Julian Acuña, RPA is an Associate Archaeologist with over six years of experience in cultural resources management. Mr. Acuña holds an M.A. in Applied Archaeology and a B.A. Cum Laude in Anthropology from California State University, San Bernardino. He meets the SOI’s Professional Qualifications Standards for prehistoric and historic archaeology. He has participated in various aspects of archaeological fieldwork including survey, test excavations, construction monitoring, the recording of both pre-contact and historic-period archaeological sites, and laboratory work for the analysis and cataloging of artifacts from multi-component sites.

Lisa Westwood, RPA meets the SOI’s Professional Qualifications Standards for prehistoric and historic archaeology and has 26 years of experience. She holds a B.A. in Anthropology and an M.A. in Anthropology (Archaeology). She is the Director of Cultural Resources for ECORP.

4.2 Records Search Methods
ECORP requested a records search for the property at the Eastern Information Center (EIC) of the CHRIS at University of California, Riverside on January 31, 2022. The purpose of the records search was to ECORP Consulting, Inc. April 2022 4-1 Collier Commercial Properties Project 2022-020

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determine the extent of previous surveys within a 1-mile (1,600-meter) radius of the Proposed Project location, and whether previously documented pre-contact or historic archaeological sites, architectural resources, or traditional cultural properties exist within this area.

In addition to the official records and maps for archaeological sites and surveys in Riverside County, the following historic references were also reviewed: Built Environment Resources Directory for Riverside County (OHP 2022); The National Register Information System (National Park Service [NPS] 2022); Office of Historic Preservation, California Historical Landmarks (OHP 2020); California Historical Landmarks (OHP 1996 and updates); and Caltrans Local Bridge Survey (California Department of Transportation [Caltrans] 2019).

Other references examined include historic GLO land patent records (Bureau of Land Management [BLM] 2022). Historic maps reviewed include:
 1901 USGS Elsinore, California topographic quadrangle map (1:125,000 scale);  1942 USGS Elsinore, California topographic quadrangle map (1:62,500 scale);  1953 USGS Elsinore, California topographic quadrangle map (1:24,000 scale);  1960 USGS Santa Ana, California topographic quadrangle map (1:250,000 scale);  1974 USGS Elsinore, California topographic quadrangle map (1:24,000 scale);  1983 USGS Santa Ana, California topographic quadrangle map (1:100,000 scale); and  1997 USGS Lake Elsinore, California topographic quadrangle map (1:24,000 scale).

ECORP also reviewed historic aerial photos taken in 1967, 1978, 1980, 1994, 2002, 2005, 2009, 2010, 2012, 2014, 2016, and 2018 for any indications of property usage and built environment.

4.3 Sacred Lands File Coordination Methods
In addition to the record search, ECORP contacted the California Native American Heritage Commission (NAHC) on February 4, 2022 to request a search of the Sacred Lands File for the APE (Attachment A). This search will determine whether Sacred Lands have been recorded by California Native American tribes within the APE, because the Sacred Lands File is populated by members of the Native American community with knowledge about the locations of tribal resources. In requesting a search of the Sacred Lands File, ECORP solicited information from the Native American community regarding Tribal cultural resources, but the responsibility to formally consult with the Native American community lies exclusively with the federal and local agencies under applicable state and federal law. ECORP was not delegated authority by the lead agencies to conduct tribal consultation.

4.4 Field Methods
On March 23, 2022, ECORP subjected the APE to an intensive pedestrian survey under the guidance of the Secretary of the Interior's Standards for the Identification of Historic Properties (NPS 1983) using 15-meter transects. ECORP expended one half person-day in the field. ECORP archaeologists examined the ground ECORP Consulting, Inc. April 2022 4-2 Collier Commercial Properties Project 2022-020

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surface for indications of surface or subsurface cultural resources and inspected the general morphological characteristics of the ground surface for indications of subsurface deposits that may be manifested on the surface, such as circular depressions or ditches. Whenever possible, the archaeologists examined the locations of subsurface exposures caused by such factors as rodent activity, water or soil erosion, or vegetation disturbances for artifacts or for indications of buried deposits. No subsurface investigations or artifact collections were undertaken during the pedestrian survey.

The archaeologists recorded any cultural resources encountered during the survey using Department of Parks and Recreation (DPR) 523-series forms approved by the California OHP. They photographed the resources, mapped them using a handheld Global Positioning System receiver, and sketched them, as necessary, to document their presence using appropriate DPR forms.

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5.0 RESULTS

5.1 Records Search
ECORP requested a records search of the CHRIS from the EIC on January 31, 2022. The EIC provided the results to ECORP on March 21, 2022.

5.1.1 Previous Research
Fifty-five previous cultural resource investigations have been conducted within 1 mile of the property, covering approximately 85 percent of the total area surrounding the property within the record search radius (Appendix C). The previous studies were conducted between 1978 and 2018. The results of the records search indicate that none of the property has been previously surveyed for cultural resources, and therefore, a pedestrian survey of the APE was warranted.

The records search also determined that 197 previously recorded pre-contact and historic-period cultural resources are located within 1 mile of the Project Area, none of which overlap the Project Area (Appendix C). A total of five pre-contact resources, one multicomponent resource, and 191 historic-period resources are located within 1 mile of the Project Area. The five previously recorded pre-contact resources consist of two lithic scatters, one pre-contact isolated flakes/tools, and two pre-contact isolated granitic manos. The multicomponent resource is the natural feature of Lake Elsinore. The remaining 191 historic-period resources consist of 106 residential properties, 61 commercial buildings, five religious buildings, four community center/social halls, two residential/hotel properties, two farms/ranches, two isolated historicperiod glass fragments, one government building, one community park, one courtyard, one railroad, one theater, one school, one refuse scatter, one historic district, and one cemetery.

The historic district located within 1 mile of the Project Area is Lake Elsinore Downtown Historic District (P-33-007143). A total of 159 contributing elements to the Lake Elsinore Downtown Historic District are located within 1 mile of the Project Area.

5.1.2 Records
The Built Environment Resources Directory for Riverside County (OHP 2022) lists one historic district, Lake Elsinore Historical District, and 159 contributing historic properties associated with the historic district within 1 mile of the Project Area. The historic district, a mix of commercial and residential sections located in the downtown area of Lake Elsinore, has been evaluated and given a status code 5S2 – determined recognized as a historically significant by local government.

In addition to the historic district and its contributors, 38 properties are located within 1 mile of the Project Area. Two properties are evaluated as 1S - individually listed in the National Register (NR) by the keeper; six properties are evaluated as 3S – appears eligible for NR individually through survey evaluation; two properties are evaluated as 3D – appears eligible for NR as a contributor to a NR eligible multicomponent resource through survey evaluation; 10 properties are evaluated as 5S2 – determined individually eligible for local listing or designation; 11 are evaluated as 6Y – determined ineligible for the NRHP by consensus through Section 106 process; two properties are evaluated as 7N – needs to be ECORP Consulting, Inc. April 2022 5-1 Collier Commercial Properties Project 2022-020

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reevaluated; and five properties are evaluated as 7R – identified in reconnaissance level survey or in an area.

The National Register Information System (NPS 2022) failed to reveal any eligible or listed properties within the Project Area. The nearest National Register property, the Armory Hall at 252 North Main Street, is located 0.74 mile southeast of the Project Area.

ECORP reviewed resources listed as California Historical Landmarks (OHP 1996) and by the OHP (OHP 2022) on March 23, 2022. There are no landmarks listed within the Project Area.

Historic GLO land patent records from the BLM’s patent information database (BLM 2022) revealed four separate patents for the APE (Township 6 South, Range 4 West). The surrounding area was first granted to Abel Stearns on September 3, 1872, under the authority of the Grant-Spanish/Mexican, (9 Stat. 631). The next two patents were granted to Thomas D Langstaff in 1888, under the jurisdiction of the Land Act of 1820. The last patent was the transfer of the land to the State of California on September 19, 1934 (Table 5-1).

Table 5-1. GLO Land Patent Records
Patentee Patent Date Serial
Number Patent Type/Authority
Stearns, Abel 9/3/1872 CACAAA
083219
March 3, 1851: Grant-Spanish/Mexican (9
Stat. 631)
Langstaff, Thomas D 1/25/1888 CA0520.149 April 24, 1820: Sale-Cash Entry (3 Stat. 566)
Langstaff, Thomas D 1/25/1888 CACAAA
083504
April 24, 1820: Sale-Cash Entry
(3 Stat. 566)
California, State of 9/19/1934 CACAAA
014547 01
January 21, 1927: Indemnity Selections (44
Stat. 1022)
The Caltrans Bridge Local and State Inventories (Caltrans 2019) did not list any bridges of historical significance within 1 mile of the Project Area.

5.1.3 Map Review and Aerial Photographs
The review of historical aerial photographs and maps of the Project Area provide information on the past land uses of the property and potential for buried archaeological sites. Based on this information, the property was undeveloped. Following is a summary of the review of historical maps and photographs.

The 1901, 1942, and 1953 Elsinore, California (1:125,000; 1:62,500; and 1:24,000 scale) and 1960 USGS Santa Ana, California (1:250,000 scale) topographic quadrangle maps show the Project Area as undeveloped with the vicinity continuing to expand its roads and commercial properties. The 1974 USGS Elsinore, California (1:24,000 scale) topographic quadrangle map shows the Project Area as undeveloped.

Aerial photography from 1967 shows the property as undeveloped. The Project Area is bounded by undeveloped land, what is now Collier Avenue and Minthorn Street, and by a commercial property.

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The 1978 aerial photographs show the Project Area as unchanged from the 1967 photograph. Commercial properties are expanding in the vicinity of the Project Area.

On 1980 aerial photographs, the Project Area appears to be graded and all vegetation removed.

Conditions remain unchanged to present day (NETROnline 2022).

5.2 Sacred Lands File Results
ECORP received the results of the Sacred Lands File by the NAHC on March 24, 2022. The search of the Sacred Lands File was negative and failed to indicate the presence of Native American cultural resources in the Project Area. Correspondence between the NAHC and ECORP is included in Attachment A. Any additional comments received after the submission of this report will be forwarded to the Lead Agency for further consideration and appropriate action.

5.3 Field Survey Results
ECORP surveyed the Project Area for cultural resources on March 23, 2022. Ground visibility in the Project Area was approximately 5 percent due to recent introduction of imported surface gravel to the area. The Project Area is currently utilized as a laydown, stagging, and parking area for a nearby business. During survey efforts, a local worker informed ECORP personnel that the Project Area had been vacant for at least one year. Complete photography of the Project Area is included in Attachment B.

Figure 5-1. Project Area overview from southeastern corner (view west, March 23, 2022).

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Figure 5-2. Project Area overview from northeastern corner (view south, March 23, 2022).

Figure 5-3. Overview of ground conditions (view detail, March 23, 2022).

As a result of the field survey, no cultural resources were encountered within the Project Area.

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6.0 Cultural Resources Inventory Report

MANAGEMENT CONSIDERATIONS

6.1 Conclusions
The records search and the 2022 field survey did not yield any historic-period or pre-contact cultural resources in the Project Area. No cultural resources were identified on the property as a result of field survey. Therefore, no Historic Properties under Section 106 of the NHPA or Historical Resources under CEQA will be affected by the Proposed Project. Until the lead agencies concur with the identification and evaluation of eligibility of cultural resources, no Project activities should occur.

6.2 Likelihood for Subsurface Cultural Resources
The Project Area contains Holocene alluvial deposits contemporaneous with human occupation of the region. Although no pre-contact resources were identified during the field survey, due to the presence of Holocene alluvial deposits within the Project Area and the proximity of the Project Area to Lake Elsinore, a location in which Native American populations were known to settle, there exists a moderate potential for buried pre-contact archaeological sites within the Project Area.

6.3 Recommendations

6.3.1 Contractor Awareness Training
The lead agency shall ensure that a Contractor Awareness Training Program is delivered to train equipment operators about cultural resources. The program shall be designed to inform construction personnel about: federal and state regulations pertaining to cultural resources and tribal cultural resources; the subsurface indicators of resources that shall require a work stoppage; procedures for notifying the lead agency of any occurrences; project-specific requirements and mitigation measures; and enforcement of penalties and repercussions for non-compliance with the program.

The training shall be prepared by a qualified professional archaeologist and may be provided either through a brochure, video, or in-person tailgate meeting, as determined appropriate by the archaeologist.

The training shall be provided to all construction supervisors, forepersons, and operators of grounddisturbing equipment. All personnel shall be required to sign a training roster. The construction manager is responsible for ensuring that all required personnel receive the training. The Construction Manager shall provide a copy of the signed training roster to the lead agency as proof of compliance.

6.3.2 Post-Review Discoveries
There always remains the potential for ground-disturbing activities to expose previously unrecorded cultural resources. Both CEQA and Section 106 of the NHPA require the lead agency to address any unanticipated cultural resource discoveries during Project construction. Therefore, ECORP recommends the following mitigation measures be adopted and implemented by the lead agency to reduce potential adverse impacts to less than significant:

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 If subsurface deposits believed to be cultural or human in origin are discovered during construction, all work must halt within a 100-foot radius of the discovery. A qualified professional archaeologist, meeting the Secretary of the Interior’s Professional Qualification Standards for precontact and historic archaeologist, shall be retained to evaluate the significance of the find, and shall have the authority to modify the no-work radius as appropriate, using professional judgment. The following notifications shall apply, depending on the nature of the find:
• If the professional archaeologist determines that the find does not represent a cultural resource, work may resume immediately, and no agency notifications are required. • If the professional archaeologist determines that the find does represent a cultural resource from any time period or cultural affiliation, the archaeologist shall immediately notify the lead CEQA agency, and landowner. The agencies shall consult on a finding of eligibility and implement appropriate treatment measures, if the find is determined to be a Historical Resource under CEQA, as defined in Section 15064.5(a) of the CEQA Guidelines or a historic property under Section 106 NHPA, if applicable. Work may not resume within the no-work radius until the lead agencies, through consultation as appropriate, determine that the site either: 1) is not a Historical Resource under CEQA, as defined in Section 15064.5(a) of the CEQA Guidelines or a Historic Property under Section 106; or 2) that the treatment measures have been completed to their satisfaction.
• If the find includes human remains, or remains that are potentially human, they shall ensure reasonable protection measures are taken to protect the discovery from disturbance (AB 2641). The archaeologist shall notify the Riverside County Coroner (per § 7050.5 of the Health and Safety Code). The provisions of § 7050.5 of the California Health and Safety Code, § 5097.98 of the California PRC, and AB 2641 will be implemented. If the Coroner determines the remains are Native American and not the result of a crime scene, the Coroner will notify the NAHC, which then will designate a Native American Most Likely Descendant (MLD) for the Project (§ 5097.98 of the PRC). The designated MLD will have 48 hours from the time access to the property is granted to make recommendations concerning treatment of the remains. If the landowner does not agree with the recommendations of the MLD, the NAHC can mediate (§ 5097.94 of the PRC). If no agreement is reached, the landowner must rebury the remains where they will not be further disturbed (§ 5097.98 of the PRC). This will also include either recording the site with the NAHC or the appropriate Information Center; using an open space or conservation zoning designation or easement; or recording a reinternment document with the county in which the property is located (AB 2641). Work may not resume within the nowork radius until the lead agencies, through consultation as appropriate, determine that the treatment measures have been completed to their satisfaction.

The lead agency is responsible for ensuring compliance with these mitigation measures because damage to significant cultural resources is in violation of CEQA and Section 106. Section 15097 of Title 14, Chapter 3, Article 7 of CEQA, Mitigation Monitoring or Reporting, “the public agency shall adopt a program for monitoring or reporting on the revisions which it has required in the project and the measures it has imposed to mitigate or avoid significant environmental effects. A public agency may delegate reporting or ECORP Consulting, Inc. April 2022 6-2 Collier Commercial Properties Project 2022-020 Cultural Resources Inventory Report
monitoring responsibilities to another public agency or to a private entity which accepts the delegation; however, until mitigation measures have been completed the lead agency remains responsible for ensuring that implementation of the mitigation measures occurs in accordance with the program.” ECORP Consulting, Inc. April 2022 6-3 Collier Commercial Properties Project 2022-020

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REFERENCES CITED
Bean, L. J. and F. C. Shipek. 1978. Luiseño. In Handbook of North American Indians, Volume 8, California.

Edited by R. F. Heizer, pp. 550-563. Smithsonian Institution, Washington, D.C.

Bean, L. J. and C. R. Smith. 1978. Serrano. In: Handbook of North American Indians, Volume 8: California. 8:

California. Heizer Robert F., editor. p. 570-574. Published by Smithsonian Institution, Washington, D.C.

Boscana, G. 1933. Chinigchinich: A Revised and Annotated Version of Alfred Robinson’s Translation of Father Geronimo Boscana’s Historical Account of the Belief, Usages, Customs and Extravagancies of the Indians of San Juan Capistrano Called the Acagchemem Tribe. Fine Arts Press, Santa Ana.

Bureau of Land Management (BLM). 2022. Bureau of Land Management, General Land Office Records, Records Automation website. http://www.glorecords.blm.gov/. Accessed online on March 23, 2022.

California Department of Transportation (Caltrans). 2019. Structure and Maintenance & Investigations, Historical Significance–Local Agency Bridges Database March 2019. https://dot.ca.gov/- /media/dot-media/programs/maintenance/documents/f0009165-hs-local-a11y.pdf. Accessed online on March 24, 2022.

Castillo, Edward D. 1978. The Impact of Euro-American Exploration and Settlement. In Handbook of North American Indians, Volume 8, California, edited by R.F. Heizer, pp. 99-127. Smithsonian Institution, Washington D. C.

City of Lake Elsinore. 2022. City Timeline. A Brief Chronology of Lake Elsinore Valley. http://www.lakeelsinore.org/visitors/history/city-timeline . Accessed 1/18/2022. _____. 2011. City of Lake Elsinore General Plan. http://www.lakeelsinore.org/home/showdocument?id=7301. Accessed online on March 24, 2022.

Cleland, Robert G. 1941. The Cattle on a Thousand Hills: Southern California, 1850-1870. Huntington Library, San Marino, California.

Erlandson, J. M. 1994. Early Hunter-Gatherers of the California Coast. Plenum Press, New York.

Gallegos, D. 1991. Antiquity and Adaptation at Agua Hedionda, Carlsbad, California. In Perspectives in California Archaeology 1, edited by J. M. Erlandson and R. H. Colton, pp. 19-41. Institute of Archaeology, University of California, Los Angeles.

Goldberg, S. E. 2001. Eastside Reservoir Project: Final Report of Archaeological Investigations (Five volumes).

Applied Earthworks, Inc., Hemet, California.

Grenda, D. R. 1997. Continuity and Change: 8,500 Years of Lacustrine Adaptation on the Shores of Lake Elsinore: Archaeological Investigations at a Stratified Site in Southern California. Statistical Research Technical Series No 59. Statistical Research, Inc., Tucson, Arizona.

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Gudde, E. G. 1998. California Place Names: The Origin and Etymology of Current Geographical Names.

Revised from first edition, 1949. University of California Press, Berkeley.

Gunther, J.D. 1984. Riverside County, California, Place Names: Their Origins and Their Stories. Rubidoux Printing Company, Riverside, California.

Haenszel, Arda M. and Jennifer Reynolds. 1975. The Historic San Bernardino Mission District. San Bernardino County Museum Association, Redlands, California.

Hudson, T. 1978. Lake Elsinore Valley: Its Story, 1776-1977. Published for Lake Elsinore Downtown Business Association and City of Lake Elsinore Centennial.

Koerper, H. C., P. Langenwalter II, and A. Schroth. 1991. Early Holocene Adaptations and the Transition Problem: Evidence from the Allan O. Kelly Site, Agua Hedionda Lagoon. In Hunter-Gatherers of Early Holocene Coastal California, Perspectives in California Archaeology, Volume 1, edited by R. H.

Colten and J. M. Erlandson, pp. 81-88. Published by Institute of Archaeology, University of California, Los Angeles, Los Angeles, CA.

Kowta, M. 1969. The Sayles Complex: A Late Milling Stone Assemblage from Cajon Pass and the Ecological Implications of Its Scraper Planes. University of California Publications in Anthropology.

Moratto, M. J. 1984. California Archaeology. Academic Press, Inc., Orlando, Florida Morton, D.M., and F.H. Weber. 2003. Preliminary geologic map of the Elsinore 7.5’ quadrangle, Riverside County, California. U.S. Geological Survey. Open-File Report OF-2003-281, scale 1:24,000.

Accessed online on February 4, 2022.

National Park Service (NPS). 2022. National Register of Historic Places, Digital Archive on NPGallery https://npgallery.nps.gov/NRHP/BasicSearch/. Accessed March 23, 2022. _____. 1983. Archaeology and Historic Preservation: Secretary of the Interior’s Standards and Guidelines. 48 FR (Federal Register) 44716-68.

Nationwide Environmental Title Research, LLC (NETROnline). 2022. Historic aerial photography of the Oildale area from 1956 to present.

Natural Resources Conservation Service (NRCS). 2021. Natural Resources Conservation Service Web Soil Survey. http://websoilsurvey.sc.egov.usda.gov/App/HomePage.htm. Accessed February 4, 2022.

Office of Historic Preservation (OHP). 2022. Built Environment Resource Directory. https://ohp.parks.ca.gov/pages/1068/files/San%20Bernardino.csv. Accessed March 24, 2022. _____. 2022. Office of Historic Preservation California Historical Landmarks Website. http://ohp.parks.ca.gov/?page_id=21387, accessed September 2, 2021. _____. 1996. California Historical Landmarks. California Department of Parks and Recreation, Sacramento, California.

ECORP Consulting, Inc. April 2022 7-2 Collier Commercial Properties Project 2022-020

Cultural Resources Inventory Report
Pourade, Richard. 1961. The History of San Diego: Time of the Bells. San Diego Historical Society. http://www.sandiegohistory.org/books/pourade/time/timechapter9.htm Robertson, Donald B. 1998. Encyclopedia of Western Railroad History, Volume IV, California. The Caxton Printers, Caldwell, Idaho
Robinson, W. W. 1948. Land in California: The Story of Mission Lands, Ranchos, Squatters, Mining Claims, Railroad Grants, Land Scrip, Homesteads. University of California Press, Berkeley.

Rondeau, M. F., J. Cassidy, and T. L. Jones. 2007. Colonization Technologies: Fluted Projectile Points and the San Clemente Island Woodworking/Microblade Complex. In California Prehistory:

Colonization, Culture, and Complexity, edited by T. L. Jones and K. A. Klar, pp. 299-315. Altamira Press, Lanham, Maryland.

Salls, R. A. 1983. The Liberty Grove Site: Archaeological Interpretation of a Late Milling Stone Horizon Site on the Cucamonga Plan. M.A. Thesis, Department of Anthropology, University of California, Los Angeles.

Strong, W. D. 1929. Aboriginal Society in Southern California. University of California Press, Berkeley, CA.

Sutton, M. Q. 2011. The Palomar Tradition and Its Place in the Prehistory of Southern California. Pacific Coast Archaeological Society Quarterly 44(4):1-74.

Sutton, M. Q. and J. K. Gardner. 2010. Reconceptualizing the Encinitas Tradition of Southern California.

Pacific Coast Archaeological Society Quarterly 42(4):1-64 Wallace, W. J. 1955. A Suggested Chronology for Southern California Coastal Archaeology. Southwestern Journal of Anthropology 11:214-230
Warren, C. N. 1968. Cultural Tradition and Ecological Adaptation on the Southern California Coast. In Archaic Prehistory in the Western United States, 1, edited by Cynthia Irwin-Williams, pp. 1-14.

Eastern New Mexico University Contributions in Anthropology, Portales, New Mexico. _____. 1967. The San Dieguito Complex: a Review and Hypothesis. American Antiquity 32:168-185.

Waugh, M. G. 1986. Intensification and Land-Use: Archaeological Indication of Transition and Transformation in a Late Prehistoric Complex in Southern California [Ph.D.]. [University of California, Davis. UMI Dissertation Services, ProQuest, Ann Arbor]: University of California, Davis.

ECORP Consulting, Inc. April 2022 7-3 Collier Commercial Properties Project 2022-020

LIST OF ATTACHMENTS
Attachment A – Sacred Lands File Coordination
Attachment B – Project Area Photographs
Attachment C – Confidential Cultural Resource Site Locations and Site Records

ATTACHMENT A
Sacred Lands File Coordination

From: Julian Acuna
To: [email protected]
Cc: Robert Cunningham
Subject: Sacred Lands File search request for Collier Commercial Properties 2022-020 Date: Monday, January 31, 2022 10:28:00 AM
Attachments: sacred-lands-file-na-contact-form.pdf
Collier_RS_V1(draft01).pdf
image001.jpg
Hello,
ECORP is requesting a Sacred Lands File search for the proposed development of three parcels in the City of Lake Elsinore, Riverside County. I have attached a copy of the Sacred Lands File contact form above along with a map showing the project area. The results of this search can be sent to me at [email protected]. They can also be faxed to my attention at (858) 279-4043. Please reference the project number 2022-020 on all
correspondence. Please let me know if you have any questions or need any additional information.

Thanks,
Julian E. Acuña, M.A., RPA
Associate Archaeologist
ECORP Consulting, Inc.

Federal Small Business
California Small Business for Public Works (SB-PW)
All ECORP offices will be closed for Thanksgiving from Thursday, November 25, 2021 through Friday, November 26, 2021. We will reopen on Monday, November 29, 2021.
215 N. Fifth Street, Redlands, CA 92374
Ph: 909.307.0046 Cell: 909.649.8587
[email protected] www.ecorpconsulting.com
Rocklin Redlands Santa Ana San Diego Chico Flagstaff, AZ Santa Fe, NM

Sacred Lands File & Native American Contacts List Request Native American Heritage Commission
1550 Harbor Blvd, Suite 100
West Sacramento, CA 95691
916-373-3710
916-373-5471 – Fax
[email protected]
Information Below is Required for a Sacred Lands File
Search Project: 2022-020 Collier Commercial Properties
County: Riverside
USGS Quadrangle Name: Lake Elsinore (1997, NAD27)
Township: 6S Rang Section(s): 6 e: 4w
Company/Firm/Agency: ECORP Consulting, Inc.

Street Address: 3838 Camino Del Rio North, Suite 370
City: San Diego Zip: 92108
Phone: (858) 279-4040
Fax: (858) 279-4043
Email: [email protected]
Project Description: ECORP is requesting a Sacred Lands File search for the proposed development of three parcels in the City of Lake Elsinore, Riverside County. I have attached a copy of the Sacred Lands File contact form above along with a map showing the project area. The results of this search can be sent to me at [email protected]. They can also be faxed to my attention at (858) 279-4043. Please reference the project number 2022-020 on all correspondence.

Please let me know if you have any questions or need any additional information.

Thanks,

Location: N:\2022\2022-020 Collier Commercial\MAPS\Cultural_Resources\Collier_RS_V1.mxd (MAG)-mguidry 1/25/2022 Riverside County, California
§31, 32, T.5S, R.4W, SBBM
§5, 6, 7, 8, T.6S, R.4W, SBBM
La Laguna Unsectioned Land Grant
Latitude (NAD83): 33.681681°
Longitude (NAD83): -117.330217°
Map Features
Project Boundary
1 Mile Buffer
I 1,000 2,000
Sc a le in F e e t
Lake Elsinore (1997, NAD27)
CA 7.5-minute Topographic Quadrangle
US Geological Survey
0 Map Date: 1/25/2022
iService Layer Credits: Copyright:© 2013 National Geographic Society, i-cubed Records Search
2022-020 Collier Commercial

ATTACHMENT B
Project Area Photographs

PHOTOLOG Project Name: Collier Commercial properties
Project Number: 2022-020
Camera Photo
No.

Description Facing Date Initials
Samsung 104451 Project area from southeast corner West 3/23/22 JEA 104457 Project from southeast corner NW
104501 Project from southeast corner North
104541 Ground conditions Detail
104920 Construction materials southwest corner South
104925 Project from southwest corner North
105100 Project from southwest boundary North
110619 Project from northeast corner South
110626 Project from northeast corner South
110628 Project from northeast corner West
110637 Ground conditions Detail
110900 Project from northwest corner East
110906 Construction equipment Southeast
110912 Project from northeast corner Southeast

Appendix D
Preliminary Geotechnical Investigation,
Proposed Commercial Development,
Collier Avenue
SoCal Professional
Engineers
Serving all Southern California
229 Cajon St., Ste.#2, Redlands, CA 92373 909.271.3135
SoCal Professional Engineers W.O. NO. 0612101.00
April 25, 2021
JONATHAN L. ZANE ARCHITECTURE
958 N. LA CADENA DRIVE
COLTON,CALIFORNIA 92324
SUBJECT: PRELIMINARY GEOTECHNICAL INVESTIGATION
Proposed Commercial Development

COLLIER AVENUE
APN’S 377-190-002, 377-190-003, 377-190-004
LAKE ELSINORE,CALIFORNIA 92530
Work Order No. 0612101.00
Dear Mr. Zane:

Pursuant to your authorization, a preliminary geotechnical investigation was conducted on the subject site in accordance with the 2019 California Building Code, Section 1803.5.11. Attached as Plate 1, the Geotechnical Map is a reduced image of a Google Earth image, the approximate location of our exploration borings and pertinent geotechnical information.

Scope of Work
The scope of work performed for this study included the following:

1. Onsite observation and documentation of existing site geometry with respect to the location of the proposed Starbucks.

2. Advancement of two (2) exploratory borings to the total depth explored of 51.5.0-ft (B-1) below the ground surface (bgs) for sample recovery for laboratory testing and observation of subsurface conditions.

3. Engineering analysis of test results to develop specifications for grading and preliminary foundation design.

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4. Research ofGeologic literature to develop design specifications for hazards such as seismic shaking and related effects.

5. Preparation of report of findings, including conclusions and recommendations for grading and minimum foundation design.

Introduction
This investigation has been conducted resulting from a 2019 California Building Code Chapter 18 requirement for preliminary geotechnical investigation being conducted for all projects in Seismic Category D. This investigation will address geotechnical conditions existing on the site as they may pertain to the proposed commercial development on the subject parcel. It is our understanding that the foundations are anticipated to consist of continuous spread and column footings to carry structural loads, otherwise typical light weight commercial construction will be utilized.

Contained herein are preliminary recommendations for foundation design for the proposed construction.

Site Description
The proposed Building will be constructed on the northwest portion of the site, south of Collier Avenue in the City ofLake Elsinore, Riverside County, California. The geographical relationships ofthe site and surrounding area are depicted on our Site Location Map, Figure 1.

At the time of our investigation, the site was undeveloped and nearly clear of vegetation.

Topographically, the area slopes to the south at approximately 5%. Drainage is accomplished by sheetflow to the south toward Minthom Street. Overall relief onsite is approximately 15-ft.

Proposed Development
The proposed development consists of a Commercial Building which will be constructed on the northwest portion of the site. Please refer to Plate 1, Geotechnical Map, for proposed site geometry and location of the adjacent existing buildings, streets, and proposed Commercial Building development.

Field Work
Field work on the site consisted of observation and logging of two (2) exploratory borings advanced with a Mobile B-60 truck mounted drill rig. Representative bulk and in-situ samples of earth materials were obtained for laboratory testing and observing the conditions of the soils on the site. Subsurface exploration of the subject site was performed on March 31, 2020 and the exploratory boring logs are presented in Appendix B. The approximate locations ofour exploratory borings are presented on our Geotechnical Map, Plate 1. Observation and sampling of the exploratory borings were performed by our field personnel, who logged alluvial soils overlying bedrock to the total depth explored of 51.5-ft bgs (B-1 ).

Laboratory Testing
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The results of laboratory testing are presented in Appendix C. It should be noted test results are preliminary and generally representative for the purposes of demonstrating feasibility of design for proposed construction. Additional testing recommended by this report may result in changes of minimum design requirements.

Subsurface Conditions
The USGS Preliminary Geologic Map ofthe Elsinore 7.5 Minute Quadrangle (Morton, Weber, 2003) indicates the formational earth materials underlying the site to be late Holocene-age young alluvial channel deposits (map symbol Qyva) and bedrock composed of Phyllite (Map SymbolMzp). A brief description ofthe geologic units underlying the site that are considered pertinent to proposed development are: "Young alluvial-channel deposits, arenaceous, Pluvial deposits along valley floors. Consists of unconsolidated sand, silt, and clay-bearing alluvium". Materials exposed on site are described below and in more detail in Appendix B - Exploratory Boring Logs.

Young Alluvial Channel Deposits (Map Symbol- Oyaa)
Alluvial soils were encountered at shallow depths across the subject site and extended to 30- ft bgs. This unit in the upper 10-ft, for the most part, consists of a brown silty Sand (SM) that can be described as, fine to coarse sand, moist, to very moist, micaceous in part, loose in upper 10-ft. Below 10-ft the Alluvial soils encountered were silty Sands, sandy Silts, sandy Clays, and clayey Sands with occasional 1-2-inch-thick coarse sand layers with minor gravel. The relative density of the Alluvium increased with depth. The silt and clay layers were medium stiff to stiff as measured by sampler penetration blow counts.

Phyllite (Map Symbol - Mzp)
(Mesozoic)-Fissile black phyllite. Commonly has sheen produced by very fine-grained white mica on surface; locally contains small elongate prisms of fine-grained white mica, which may be pseudomorphs after chiastolite bedrock was encountered at a depth of approximately 30 to 35-ft on the northerly portion of the subject site and extended to the full depth explored of 51.5-ft bgs. This unit consists ofbedrock that excavates as a grey silty sandy Gravel (SM/GM) that can be described as medium to coarse silty sandy gravel, moist, with angular particles. The bedrock was very dense as measured by sampler penetration blow counts.

Groundwater
Groundwater was not encountered within our exploratory borings, which were advanced to a maximum depth of 51.5.0-ft bgs. Mottling, often indicative ofpast high groundwater, was observed within the exploratory boring at a depth of 30-ft Bgs at the bedrock-alluvial interface. Regional high groundwater is mapped at greater than 150-ft bgs in the vicinity of the subject site (EMWD, 2004) The historic groundwater in the area has been as shallow as 10-ft (Waring, G.A. 1919).

Minor fluctuations can and will likely occur in moisture or free water content of the soil owing to lake level, rainfall, and irrigation over time.

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Excavation Characteristics
We anticipate that the onsite alluvial soils can be excavated with moderate ease to the proposed depths utilizing conventional grading equipment in proper working condition.

Seismicity
There are no potentially active or active faults possibly transecting the site (Morton, Weber, 2003).

The subject site is not located within the presently defined boundaries of a State of California Alquist-Priolo Earthquake Fault Zone (Hart, 2000) and a County of Riverside fault hazard zone.

The subject site is located in the Elsinore Basin, "The Elsinore Basin is dominated by the Elsinore graben, a down dropped block between the Glen Ivy fault zone and the Wildomar fault zone located to the north and south of Lake Elsinore, respectively. Major faults zones in the Elsinore Basin include the Glen Ivy fault zone, which includes the Glen Ivy fault, the Freeway fault and the Sedco fault, and the Wildomar fault zone, which includes the Wildomar fault, the Rome Hill fault, and the Willard fault.

Active fault zones regional to the site include the Glen Ivy fault, the Wildomar fault, the San Andreas fault (San Bernardino segment), the Elsinore fault (San Jacinto Valley segment), and the San Jacinto, (San Bernardino Segment). The following table lists the known faults that would have the most significant impact on the site:

FAULT

MAXIMUM PROBABLE

EARTHQUAKE
(MOMENT

MAGNITUDE)

SLIP RATE FAULT
TYPE
Elsinore (Glen-Ivy)
(3.5-km SW) 6.8 5 mm/year A
San Andres (San Bernardino)
(47-km NE) 7.2 25 mm/year A
San Jacinto
(San Jacinto Valley Segment)
(32-km NE)

7.0 24 mm/year A
San Jacinto
(San Bernardino Segment)
(38-km NE)

7.0 1 mm/year
B
2019 California Building Code (CBC) -Seismic Parameters:

Based on the geologic setting and soil conditions encountered, the soils underlying the site are classified as "Site Class D, "Stiff Soil Profile", according to the CBC. The seismic parameters according to the CBC are summarized in the USGS Design Maps Summary Report presented in Appendix E. The corresponding value for peak ground acceleration from the design response spectrum based on the 2019 CBC seismic parameters is 1.027g.

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Ground Accelerations

SEISMIC EFFECTS
The most significant earthquake to affect the property is a 7.5 Richter magnitude earthquake on the Elsinore fault zone. Based on Section 1803.5.12 of the 2019 California Building Code, peak:
ground accelerations modified for site class effects (PGAM) of approximately 1.027g are possible for the design earthquake. The seismic parameters according to the CBC are summarized in the USGS Design Maps Summary Report presented in Appendix E.

Ground Cracks
The risk ofsurface rupture because of active faulting is considered moderate based on the location of known active faulting near the site (Morton, Weber, 2003). Ground cracks can and do appear on sites for a variety ofreasons including, but not limited to, strong seismic shaking, imperfections in subsurface strata ( either man-made or natural), and the expansive nature of some soils near the ground surface. Therefore, the possibility of cracks at the ground surface for the life ofthe project cannot be eliminated.

Landslides
The subject property is located in an area of relatively flat terrain and no landslides have been mapped in the area (Morton, Weber, 2003). The risk of seismically induced landsliding to affect the proposed development is low.

Liquefaction
The site is within a State of California designated and mapped liquefaction hazard zone, the site is in a County ofRiverside "Very High" liquefaction hazard zone. However, coupled with the absence of shallow groundwater, the indications of groundwater (mottling) at 30-ft Bgs, historic groundwater recorded at 10' Bgs (Waring, 1919), the medium dense to dense nature of the underlying alluvial materials, the shallow depth to bedrock (±30-ft), the very moist to wet condition of the alluvial soils and the recommendations for overexcavation and recompaction ofthe upper 10-ft ofthe building pad, it is our opinion that the potential for liquefaction is Low.

Seismically Induced Soil Settlement
The proposed footings are anticipated to be founded in a minimum of 10-ft ofmedium dense to dense engineered fill soils, underlain by medium dense to dense Alluvial deposits and shallow bedrock. The settlement potential, under seismic loading conditions for these materials following grading, in our opinion, is Low.

Seiches and Tsunami
Considering the location ofthe site in relation to large bodies ofwater, seiches and tsunamis are not considered potential hazards of the site (California Emergency Management Agency, 2021) and are "less than significant", (Draft Program EIR for the Lakeland Village MDP, 2014).

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Rockfall Potential
The subject site is in an area ofrelatively flat terrain that is free ofboulder outcroppings. The potential for rockfall is anticipated to be negligible.

CONCLUSIONS AND RECOMMENDATIONS
Conclusions
General
The development of the site as proposed is both feasible and safe from a geotechnical standpoint provided that the recommendations contained herein are implemented during design and construction.

1. It is our understanding that the proposed Commercial Building will be located in the northeasterly portion ofthe site as shown on Plate 1, Geotechnical Map.

2. Observation of excavations indicates that suitable material for support of fill and/or structures is near the surface on the site. Earth materials on the site are also suitable for use as compacted structural fill.

3. Observation, classification, and testing indicate that the near surface soils have a very low expansion potential (El = 0) consisting of low plastic silty Sand (SM) and Sand (SP) with gravel. The underlying alluvial material is in interbedded with clayey Sands, sandy Silts and Silts.

4. Based on our exploratory borings, approximately ±30-ft of alluvial soils over bedrock underlie the subject site.

RECOMMENDATIONS
Site Grading
General
Based on our conversation with the developer it our understanding that the Commercial Building will be constructed as shown on Plate 1, Geotechnical Map, with access from Collier Avenue and Minthom Street. Based on our subsurface investigation and recommendations contained herein we anticipate that the proposed building will be founded entirely in engineered fill soils.

Owing to the flat nature of the subject site, no fill slopes are anticipated for site development. No retaining walls are indicated to achieve final grades of the proposed structures.

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It is important to note that all imported soils must be observed and approved by the soil engineer prior to use as fill to verify compliance with project specifications and consistency with onsite soils with respect to expansion potential and structural contact pressure.

Site Specific Grading
A representative of this firm shall be present to observe the bottoms of all excavations. A representative ofthis firm shall be present during all fill placement operations to monitor and test as the earth materials are being placed. This observation and testing is intended to assure compliance with the recommendations ofthis report as well as project specifications as they relate to earthwork construction, County and State ordinances and Table 1705.6 of the 2019 California Building Code.

Within the building pad and in areas where structural fill is to be placed, all construction debris, loose undocumented fill and alluvial soils to a minimum depth of 10-ft below existing grade or 4 -ft below the bottom of any foundation, whichever is deepest, shall be overexcavated to competent earth, i.e., alluvial soils that is free of voids and roots as determined by the soils engineer. After overexcavation the proposed building pad will require recompaction. Overexcavation and recompaction of the pad should extend a minimum of 10-ft outside the building footprint or equal to the depth of overexcavation whichever is deeper. Deep root systems buried utility lines, or deeper areas of disturbance or undocumented fill may require deeper removals and should be evaluated during rough grading operations.

No structural fill shall be placed within the building areas or on any ground without first being observed by a representative of the company providing this report and then providing written certification that the ground is competent and prepared to receive fill.

Onsite soils derived from excavations will be suitable for use as structural fill provided, they are free oflarge rock (6" or larger) and organic debris or construction debris. Approved fill material should be placed in 6 to 8-inch loose lifts, brought to optimum moisture content, and compacted to a minimum of 90% of the maximum laboratory dry density, as determined by the ASTM D 1557-12 test method. No rocks larger than 6-inches in diameter should be used as fill material as they inhibit the compaction process. Rocks larger than 6-inches may be removed or crushed and used as fill material. Rocks larger than 6-inches that cannot be crushed, organic materials, asphaltic concrete or oil-bearing surface aggregate should be removed from the graded area and in the case of oil-bearing materials, removed and taken to an appropriate dump site that is designed to handle such.

All earthwork should be done in accordance with the specifications contained in Appendix D.

Additionally, it will be the responsibility of the owner and or the contractor to provide this firm with schedule information for grading activities that require observation and testing. It is preferred that we have a minimum of 48 hours of notice for such.

Slope Construction
Slopes are not anticipated to achieve pad grade, However, cut and fill slopes constructed at a 2: 1 (horizontal:vertical) slope ratio, to a maximum vertical height of approximately 10-ft, will be surficially and grossly stable ifconstructed in accordance with the recommendations presented in this SoCal Professional Engineers W.O. NO. 0612101.00
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report and in Appendix D ofthis report. It is assumed that no slopes will be required to achieve pad grade.

A keyway should be established along the toe of any proposed fill slope. The outside edge of the keyway should be founded a minimum of2-ft into observed and competent formation and inclined into the hillside at a minimum 2% gradient for a minimum width of 12'. The keyway excavations should expose alluvial valley deposits that are free ofpinpoint pores and fine roots throughout the bottom area and up a minimum of 2 feet on all sides. Any loose soils or severely weathered formation should be completely removed in the keyway and by benching during rough grade operation.

The importance of proper compaction at the face of slope cannot be overemphasized. In order to achieve proper compaction to the slope face, one or more of the following methods should be employed by the contractor following implementation of typical slope construction guidelines; 1) track walk the slopes at grade, 2) grid roll the slopes, 3) use a combination of sheep foot roller and track walking.

Care should be taken to avoid spillage of loose materials down the face of any slope during grading.

Loose fill on the face ofthe slope will require complete removal prior to shaping and or track walking.

Proper seeding and planting of the slopes should follow as soon as practical to inhibit erosion and deterioration of the slope surfaces. Proper moisture control will enhance the long-term stability of the finish slope surface.

Bearing Value and Footing Geometry
A safe allowable bearing value of 1,800 psf for foundations embedded into observed competent fill soils. This value may be increased by 300 psf for each additional foot of width and by 500 psf for each additional foot of depth to a maximum allowable bearing capacity of 2,800 psf. These values may be increased by 33 percent to provide for lateral loads of short duration such as those caused by wind or seismic forces. Continuous footings, for single-story or for two-story or equivalent structures, should have a minimum width of 15-inches and depth of 18-inches into competent engineered fill and conform to the minimum criteria ofthe 2019 CBC for non-expansive soils (E1=<20). The use of isolated column footings is not discouraged, however, where utilized, should have a minimum embedment of 18-inches below lowest adjacent grade. The minimum distance of the bottom outside edge of all footings and any slope face shall be 5-ft. All footings should be embedded a minimum of 18-inches into observed competent engineered fill, regardless of depth below the adjacent ground surface. All foundations, particularly within and near the top of slopes, shall be extended to sufficient depth to provide a minimum horizontal clearance at the bottom face of the footing of at least H/3 where His the slope height in feet (2019 CBC, sections 1808A.7.2 and 1808A.7.3).

Settlement
The bearing value recommended above reflects a total settlement of 0.5-inches and a differential settlement of 0.5-inches within a horizontal distance of 20-ft (L/480). Most of this settlement is expected to occur during construction and as the loads are being applied.

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Concrete Slabs
All concrete slabs on grade should be 4-inches thick, minimum. They should be underlain by 2- inches of sand or approved non-expansive onsite materials. Imported or approved onsite materials may be utilized for this purpose. Contractors should be advised that when pouring during hot or windy weather conditions, they should provide large slabs with sufficiently deep weakened plane joints to inhibit the development of irregular or unsightly cracks. Also, 4-inch thick slabs should be jointed in panels not exceeding 8-ft in both directions to augment proper crack direction and development.

Moisture Barrier
When the intrusion of moisture through concrete slabs is objectionable, particularly with interior slabs where flooring is moisture sensitive, a vapor barrier should be installed onto the subgrade prior to the pouring of concrete. It should consist of a minimum 10-mil visqueen, protected from puncture with 2-inches of sand above and 2-inches of sand below. This is considered a minimum recommendation as there are other devices that provide as good as or better moisture protection.

The project architect and or structural engineer may recommend alternative devices for moisture protection.

Reinforcement
From a Geotechnical standpoint, continuous footings should be reinforced with a minimum oftwo number 4 steel bar placed at the top and bottom. In no case, should the content of steel in concrete footings be less than the recommended minimums of the appropriate sections of the A.C.I. standards. Slabs should be reinforced with a minimum ofnumber 3 steel bars placed at the center of thickness at 24-inch centers both ways (CBC 2019). These are considered minimums and additional requirements may be imposed by other structural engineering design requirements. In addition, at the completion of grading, testing ofthe near surface soils may indicate that different or more stringent reinforcing schedule minimums may be appropriate. Careful consideration should be given to the recommendations that will be contained in the final report of compaction test results and foundation design requirements.

Concrete
Based on corrosivity suite testing ofthe on-site soils, Type II Portland cement concrete can be utilized for the subject site. The percentage of soluble sulfate ofthe onsite soils is anticipated to be less than ND (non-detect), which equates to a Negligible sulfate exposure per American Concrete Institute (ACI), 318, Table 4.3.1 (2005). Soluble sulfate content testing should be conducted within the building pads and subgrade soils at the completion of overexcavation and recompaction to confirm concentration of sulfite ions within the onsite earth materials.

Corrosivity test results indicated a saturated resistivity of7,200 ohms/cm for the onsite soils, which indicates the onsite soils are Moderately Corrosive (NACE International, 1984). Laboratory analysis was performed by (LGC, Geoenviro, 2020). SoCal Professional Engineers does not practice corrosion engineering. If specific information or evaluation relating to the corrosivity ofthe SoCal Professional Engineers W.O. NO. 0612101.00
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onsite or any import soil is required, we recommend that a competent corrosion engineer be retained to interpret or provide additional corrosion analysis and mitigation.

Corrosivity testing should also be conducted within the building pad at the completion of overexcavation and recompaction. SoCal Professional Engineers does not practice corrosion engineering. Ifspecific information or evaluation relating to the corrosivity ofthe onsite or any import soil is required, we recommend that a competent corrosion engineer be retained to interpret or provide additional corrosion analysis and mitigation.

The recommendations ofthis report are intended to reduce the potential for cracking of slabs due to expansive soil (if present), differential settlement of existing soil or soil with varying thicknesses.

However, even with the incorporation ofthe recommendations presented herein, foundations, stucco walls, and slabs-on-grade placed on such conditions may still exhibit some cracking due to soil movement, lateral extension, or shrinkage. The occurrence of cracks in concrete can be due to shrinkage and be independent of supporting soil characteristics. Their occurrence may be reduced and/or controlled by limiting the slump ofthe concrete, proper concrete placement and curing, and by installation of crack control joints at periodic intervals, in particular, where re-entrant slab comers occur. Doweling ofconcrete into adjacent panels, curbs, and foundations can help minimize elevation differences and effects of expansive soils and potential uplift or minor heave.

Lateral Loads
The bearing value of the soil may be increased by one third for short duration loading (wind, seismic). Lateral loads may be resisted by passive forces developed along the sides of concrete footings or by friction along the bottom of concrete footings. The value of the passive resistance for level ground may be computed using an equivalent fluid density of 250 pcf for level ground.

The total force should not exceed 2,800 psf. A coefficient of friction of .30 may be used for the horizontal soil/concrete interface for resistance of lateral forces. If friction and passive forces are combined, then the passive values should be reduced by one third.

Cut/Fill Transitions
Based on the recommended overexcavation and recompaction ofthe proposed pad (see "Site Specific Grading" section), it is anticipated that any cut-to-fill transitions will be eliminated.

Oversize Rock
Oversize rock was not encountered during our subsurface investigation of the subject site. If any oversize material is generated during site development, it should be disposed of off-site, utilized in landscaping, or placed in an approved rock fill in accordance with Appendix D ofthis report.

Preliminary Structural Section
We recommend the following preliminary structural section for proposed parking and driveway areas for the subject site. The preliminary design of the pavement sections for the proposed concrete SoCal Professional Engineers W.O. NO. 0612101.00
Johnathan L. Zane Architecture
April 25, 2021

Page 11 ends

parking, driveways and asphalt driveways is based on an assumed R-value test of 50. R-value testing should be conducted at the completion of rough grading to verify soils exposed at subgrade, and a final structural section should be recommended at that time. The recommended preliminary pavement sections are:

AREA PAVEMENT SECTION
Concrete Pavement Driveway 6.0 0.50' (6.0") PCC over 0.33'(4.0") Concrete Pavement Parking 4.5 0.33'(4.0") PCC over 0.33'(4.0") Asphalt Pavement Driveway 6.0 0.33'(4.0") AC over 0.5' (6.0") ABII Asphalt Pavement Parking 4.5 0.25' (3.0") AC over 0.33' (4.0") ABII AC - Asphalt Concrete
ABII - Class II Aggregate Base
PCC - Portland Cement Concrete
All PCC should be fiber mesh reinforced at a minimum
It is recommended that the subgrade materials be compacted to a depth of 1 foot below subgrade elevation and that both the subgrade materials and the ABII be compacted to 95% relative to the maximum density ofthe respective materials, as determined by AS1M D1557 laboratory tests. R-V alue testing should be conducted on imported soils prior to their approval as structural fill material
Utility Trench Backfill
All trench excavations should be conducted in accordance with Cal-OSHA standards as a minimum. The soils encountered within our exploratory trenches are generally classified as Type "C" soil in accordance with the current CAL/OSHA excavation standards. Based upon a soil classification of Type "C", the temporary excavations should not be inclined steeper than 1.5:1 (h:
v) for a maximum depth of 20-ft. For temporary excavations, deeper than 20-ft or for conditions that differ from those described for Type "C" in the CAL/OSHA excavation standards, the project geotechnical engineer should be contacted.

Utility trench backfill should be compacted to a minimum of 90 percent of the maximum dry density determined in laboratory testing by the ASTM D 1557-12 test method. It is our opinion that utility trench backfills consisting of onsite or approved sandy soils can best be placed by mechanical compaction to a minimum of 90 percent of the maximum dry density. The upper 1-ft ofutility trench excavations located within pavement areas should be compacted to a minimum of 95 percent ofthe maximum dry density.

Fine Grading and Site Drainage
Fine grading of areas outside ofthe structures should be accomplished such that positive drainage exists away from all footings in accordance with 2019 CBC and local governing agency requirements. Run-off should be conducted in a non-erosive manner toward approved drainage devices per approved plans. No run-off should be allowed to concentrate and flow over the tops of slopes.

SoCal Professional Engineers W.O. NO. 0612101.00
Johnathan L. Zane Architecture
April 25, 2021

Page 12 ends

Construction
SoCal Professional Engineers, or a duly designated representative, should be present during all earthwork construction in accordance with the standard specifications contained at the back ofthis report, to test and or confirm the conditions encountered during this study. In addition, post earthwork construction monitoring should be conducted at the following stages:
• At the completion offinal grading ofthe building pad so that a finished surface compaction test may be obtained. Moisture content near optimum will necessarily need to be maintained, both to maintain proper compaction and to prevent wind erosion ofthe pad. • At the completion of foundation excavations, but prior to the placement of steel and or other construction materials in them. As a requirement ofthis report, the undersigned must, in writing, certify that the foundations meet the minimum requirements of this report and the building plans for depth and width along with the earth materials being the appropriate moisture content and compaction.
• Backfilling ofover deepened footings with earth materials will not be allowed and must be poured with concrete. Consequential changes and differences may exist throughout the earth materials on the site. It may be possible that certain excavations may have to be deepened slightly ifearth materials are found to be loose or weak during these observations. • Any other pertinent post construction activity where soils are excavated or manipulated or relied upon in any way for the performance of buildings or hardscape features.

Supplemental Recommendations
If at any time during grading or construction on this site, conditions are found to be different than those indicated in this report, it is essential that the soil engineer be notified. The soil engineer reserves the right to modify in any appropriate way the recommendations of this report if site conditions are found to be different than those indicated in this report. • The earth unit exposed at the surface is observed to be loose alluvial soils. It is moderately erosive. It is dense at shallow depths, on the order of 10-ft and water does not percolate well into the onsite compacted alluvial soils consisting of a silty sand. • Cuts in the compacted building pads to 5-ft, or slightly more will stand vertical for normal time periods associated with construction of backcuts for fill slopes or retaining walls. Time periods for unsupported cuts 5-ft or greater vertical should be limited to 15 days in the non-rainy season and 10 days in the rainy season. Owing to the loose sandy nature ofthe onsite soil, caving may occur in shallow unsupported trenches outside the compacted building pad.

Construction Monitoring
Observation and testing by SoCal Professional Engineers is necessary to verify compliance with recommendations contained in this report and to confirm that the geotechnical conditions encountered SoCal Professional Engineers W.O. NO. 0612101.00
Johnathan L. Zane Architecture
April 25, 2021

Page 13 ends

are consistent with those encountered. SoCal Professional Engineers should conduct construction monitoring during any fill placement and subgrade preparation prior to placement of fill or construction materials.

LIMITATIONS
Our investigation was performed using the degree ofcare and skill ordinarily exercised, under similar circumstances, by reputable Geotechnical Engineers and Geologists practicing in this or similar localities. No other warranty, expressed or implied, is made as to the conclusions and professional advice included in this report.

The report is issued with the understanding that it is used only by the owner and it is the sole responsibility ofthe owner or their representative to ensure that the information and recommendations contained herein are brought to the attention ofthe architect, engineer, and appropriate jurisdictional agency for the project and incorporated into the plans; and the necessary steps are taken to see that the contractor and subcontractors carry out such recommendations contained herein during construction and in the field.

The samples taken and used for testing and the observations made are believed representative; however, soil and geologic conditions can vary significantly between test locations. The evaluation or identification ofthe potential presence ofhazardous or corrosive materials was not part ofthe scope of services provided by SoCal Professional Engineers, or its assigns.

The findings of this report are valid as of the present date. However, changes in the condition of a property can occur with the passage oftime, whether due to natural processes or the works ofman on this or adjacent properties. In addition, changes in applicable or appropriate standards may occur, whether they result from legislation or the broadening of knowledge. Accordingly, the findings of this report may be invalidated wholly or partially by changes outside our control. Therefore, this report is subject to review and revision as changed conditions are identified.

The firm that performed the geotechnical investigation for this project should be retained to provide testing observation services during construction to maintain continuity of geotechnical interpretation and to check that the recommendations presented herein are implemented during site grading, excavation of foundations and construction of improvements.

If another geotechnical firm is selected to perform the testing and observation services during construction operations, that firm should prepare a letter indicating their intent to assume the responsibilities ofproject geotechnical engineer of record. Selection of another firm to perform any of the recommended activities or failure to retain the undersigned to perform the recommended activities wholly absolves SoCal Professional Engineers, the undersigned, and its assigns from all liability arising directly or indirectly from any aspects of this project.

We appreciate the opportunity to be of service. Limitations and conditions contained in reference documents are considered in full force and applicable. If you have any questions, please do not hesitate to call our office.

Respectfully submitted,
SoCal Professional Engineers W.O. NO. 0612101.00
Johnathan L. Zane Architecture
April 25, 2021

Page 14 ends

SoCal Professional Engineers W.O. NO. 0612101.00
SoCal Professional Engineers

ATTACHMENTS
KHALED Digitally signed by KHALED FARAH
DN: cn=KHALED FARAH, o=SOCAL
FARAH

PROFESSIONAL ENGINEERS,
[email protected], c=US
Date: 2021.04.27 17:33:12 -07'00'
Khaled S. Farah, RCE 83128
Civil Engineer,
Figure 1 - Site Location Map
Plate 1 - Geotechnical Map
Appendix A - References
Appendix B - Exploratory Boring Logs
Appendix C - Laboratory Test Results
Appendix D – Standards of Grading
Appendix E – ASCE 7 Hazard Report
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APPENDIX A
References
SoCal Professional Engineers W.O. NO. 0612101.00

REFERENCES
California Building Standards Commission (CBSC), 2019, “2019 California Building Code, California Code of Regulations, Title 24, Part 2, Volume 2 of 2”.

California Division of Mines & Geology, 1997, “Guidelines for Evaluating and Mitigating Seismic Hazards in California”, Special Publication 117.

California Division of Mines & Geology, 1996, “Probabilistic Seismic Hazard Assessment for the State of California”, DMG Open File Report 96-08, USGS Open File Report 96-706.

California Geologic Survey, revised 2018, “Earthquake Fault Zones, A Guide for Government Agencies, Property Owners/Developers, and Geoscience Practitioners for Assessing Fault Rupture Hazards in California”, Special Publication 42.

California Geological Survey, 2006, “California Fault Parameters”, California Geologic Survey website - Open-file Report 96-08.

Coduto, Don, P., 1994, "Foundation Design Principles and Practice", Prentice Hall, pages 637-655.

Dudek, 2014, “Draft Program EIR for the Lakeland Village Master Drainage Plan, Riverside County Flood Control and Water Conservation District” dated January 2014.

Grant, et al, 1999, “Late Quaternary Uplift and Earthquake Potential of the San Joaquin Hills, Southern Los Angeles Basin, California”, California Geology, Volume 27, p. 1031-1034.

Hart, E.W., 2000, "Fault-Rupture Hazard Zones in California", California Division of Mines and Geology Special Publication 42, CD-003 (CD-ROM Version).

Inland Foundation Engineering, Inc. 2016, “Preliminary Geotechnical Report, La Laguna RV Resort/Water Park, Riverside Drive, South of Lincoln Street, Lake Elsinore, California “. Dated December 22, 2016, Project No. L202-004.

Morton, D.M.,& Miller, F.K. 2006, “ Geologic Map of the Santa Ana 30’ x 60’ Quadrangle, California (Version 1.0)”, U.S. Geological Survey in Cooperation with the California Geologic Survey, Open-File Report 2006-1217, Scale: 1”=100,000’.

Morton, D.M.,& Weber, F. Harold 2003, “Preliminary Geologic Map of the Elsinore 7.5 Minute Quadrangle, California (Version 1.0)”, U.S. Geological Survey in Cooperation with the California Geologic Survey, Open-File Report 03-281, Scale: 1”=24,000’.

Waring, G.A. 1919. Ground Water in the San Jacinto and Temecula Basins, California: USGS Water Supply Paper 429.

Weber, F.H.,Jr., 1977, Seismic Hazards Related to Geologic Factors, Elsinore and Chino Fault Zones, Northwestern Riverside County, California, DMG Open File Report, 77-4 L.A., 96 pages.

Wildermuth, WE Environmental, Inc., 2000, “TIN/TDS Study - Phase 2A, Santa Ana Watershed, Final Technical Memorandum, Development of Groundwater Management Zones, Estimation of SoCal Professional Engineers W.O. NO. 0612101.00

Historical and Current TDS and Nitrogen Concentrations in Groundwater,” prepared for the TIN/TDS Task Force, dated July 2000.

SoCal Professional Engineers W.O. NO. 0612101.00

APPENDIX B
Exploratory Boring Logs
SoCal Professional Engineers W.O. NO. 0612101.00
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JOB NO:0612101.00 LOG OF BORING FIGURE: B-1

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APPENDIX C
Laboratory Test Results
SoCal Professional Engineers W.O. NO. 0612101.00

LABORATORY TESTING
A. Classification
Soils were visually classified according to the Unified Soil Classification System.

Classification was supplemented by index tests such as maximum density and optimum moisture content.

B. Expansion Index
An expansion index test was performed on a representative sample of the onsite soils remolded and tested under a surcharge of 144 lb/ft2
, in accordance with ASTM D-4829-

11. The test results are presented on Figure C-1, Table I.

C. Maximum Density/Optimum Moisture Content
A maximum density/optimum moisture content relationship was determined for typical sample of the onsite soils. The laboratory standards used were ASTM 1557-Method A.

The test results are summarized on Figure C-1, Table II and laboratory results are presented on Figure C-2.

D. Particle Size Determination
Particle size determination, consisting of mechanical analyses (sieve) was performed on representative samples of the onsite soils in accordance with ASTM D 422-63 and CAL TEST 202. The test results are shown on Figures C-3 & C-4.

E. Corrosivity Suite
Corrosivity suite testing including resistivity, soluble sulfate content, pH and chloride content were performed on a representative sample of the onsite soils. The laboratory standards used were CTM 643, CTM 417 & CTM 422. The test results are presented on Figure C-1, Table III.

SoCal Professional Engineers W.O. NO. 0612101.00

I I I I I I

TABLE I

EXPANSION INDEX

TEST LOCATION EXPANSION INDEX EXPANSION POTENTIAL
B-1 @ 0-5 ft 0 Non-Expansive

TABLE II

MAXIMUM DENSITY/OPTIMUM MOISTURE RELATIONSHIP
ASTM D 1557

MAXIMUM DRY DENSITY OPTIMUM MOISTURE
TEST LOCATION (pcf) (%)
B-1 @ 0-5 ft 121.5 11.5

TABLE III

CORROSIVITY SUITE

TEST LOCATION SATURATED CHLORIDE SULFATE
RESISTIVITY pH CONTENT CONTENT
B-1 @ 0-5 ft by LGC 7,200 8.7 28 ppm ND(non-detect)
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Figure C-1
SoCal Professional Engineers W.O. NO. 0612101.00

Project No.:

Project:

Location:

Elev./Depth:

Remarks:

Description:

Classifications -
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JTI
C
-
U)
-I
::0
m
C
--4
0 z
-
-rt
ci
C
:0
m
z
q
GRAVEL SAND I COARSE MEDIUM I .FINE I SILT CLAY
SIEVE SIZES- llS. STANDARD
3/.411 1/2'' 1/411 4 10 20 4,0 I X) 200 IOO~j---1-__,..,............,.,.....-1-,,_-,--__,,._ __ -,-,4•'TT1,-.--.-.--1-r-:-.---.---+-......-.--,-1,·'r,...,.~--.--.--,----........ --...---------100 9011---.J--l-l---l-+-l-l--l-l--1--l----ll----1-++l-+-+--i----H----11---+--1---11+-l-l--l-1--1---l---1-----1-+-1-~--l---1--.1.---1------19O 8Q1r--+-+-1--1-+-+1---t-+-+--l---ll----++-H-+-1---+-tt------"1l---+-+---1f+-l-l--+--+---+-----l---+----++-+-1-+-l---l------l----l-----l8Q It I
70'1t---+-++--1-+-+1---t-+-+--+---ll----+-H~ -+-r--+-tt-~1---+-+--l~~-+--+---+----+---+----++-+-1-+--l---!------l----i------l7Q ~ ~ ~ ~ ~ ~ n n ~ 6011-- +-++--+-+-+t--++-+--+----jf-----~ H-----l--+-+--H----1---+--1--1-1-1--1--+-1---1--1--------1---~1-1-1~-1--1---1----l----1-----..160 rn ~ 2 ··-1 ~ ~ ~ 50H--.J-++--l--l---4-+--l--l--l--+----1 ... ---+-+-1+-+-+--i---tt---1'---+--l-~l-l--l-l--l--+--l--l---l------l--l--l-1--J..--l---l--.l.---l------l5Q :t:> ~ ~ 2 Z ~ ~ 4011--+----t--1--l-l---l+---H----l---i----jf---------l-~f----+-l----l---f+--lf----+--l--lc--l--!---+-+-!--!---+---l---4--1--1-1-1---+-~-+----+----..140 30tt---+-+++-1--1+---t-+-+---l----lf------l-H+-+-t--+--tt--l--!--+--IH-l--t-+-t--l----+---+-----f+-f--l-+--+---+--+---i------l. 2Qfl---1---l-+-~-l-l---l-l-i---1----!1----+-H-1-+-+--l---l-l---+--+----+--++-f-l--l-+--+----+--+----+-l-+-+4--+--l----l---l------'12O l01+----+--++-+-1---1+--1-+-1--1---H----+-H+-+-+-+-tt--1--+--+--1+-+-+-+-1--1---+--+----+++-i1-+--+---+--+---+---ilQ I
QU-..-.l-.µ.J....L..LL....u....L-....a...-_Jl._. __ -+-u.i.....1....J..---1...-lJ..---l.__~-..._-1.....1..J--1-~i-1-...L---'----~-'-1-J...--'---'-~-...... ---fO

10.0 1.0 0.1 .01 .001

PARTICLE DIAMETER- MILLIMETERS
BORING NO. DEPTH, FT. SYMBOL LIQUID LIMIT PLASTIC INDEX CLASS I FiCATION B-1 15ft X SM
~1 O
C-4 0612101.00
25ft ML

APPENDIX D
Standards of Grading
SoCal Professional Engineers W.O. NO. 0612101.00

STANDARD GRADING AND EARTHWORK SPECIFICATIONS
These specifications present SoCal Professional Engineers, standard recommendations for grading and earthwork.

No deviation from these specifications should be permitted unless specifically superseded in the geotechnical report of the project or by written communication signed by the Soils Consultant. Evaluations performed by the Soils Consultant during the course of grading may result in subsequent recommendations which could supersede these specifications or the recommendations of the geotechnical report.

1.0 GENERAL

1.1 The Soils Consultant is the Owner's or Developer's representative on the project. For the purpose of these specifications, observations by the Soils Consultant include observations by the Soils Engineer, Soils Engineer, Engineering Geologist, and others employed by and responsible to the Soils Consultant.

1.2 All clearing, site preparation, or earthwork performed on the project shall be conducted and directed by the Contractor under the allowance or the supervision of the Soils Consultant.

1.3 The Contractor should be responsible for the safety of the project and satisfactory completion of all grading. During grading, the Contractor shall remain accessible.

1.4 Prior to the commencement of grading, the Soils Consultant shall be employed for the purpose of providing field, laboratory, and office services for conformance with the recommendations of the geotechnical report and these specifications. It will be necessary that the Soils Consultant provide adequate testing and observations so that he may provide an opinion as to determine that the work was accomplished as specified. It shall be the responsibility of the Contractor to assist the Soils Consultant and keep him apprised of work schedules and changes so that he may schedule his personnel accordingly.

1.5 It shall be the sole responsibility of the Contractor to provide adequate equipment and methods to accomplish the work in accordance with applicable grading codes, agency ordinances, these specifications, and the approved grading plans. If, in the opinion of the Soils Consultant, unsatisfactory conditions, such as questionable soil, poor moisture condition, inadequate compaction, adverse weather, etc, are resulting in a quality of work less then required in these specifications, the Soils Consultant will be empowered to reject the work and recommend that construction be stopped until the conditions are rectified.

1.6 It is the Contractor's responsibility to provides safe access to the Soils Consultant for testing and/or grading observation purposes.

This may require the excavation of the test pits and/or the relocation of grading equipment.

1.7 A final report shall be issued by the Soils Consultant attesting to the Contractor's conformance with these specifications.

2.0 SITE PREPARTION

2.1 All vegetation and deleterious material shall be disposed of off-site. This removal shall be observed by the Soils Consultant and concluded prior to fill placement.

2.2 Soil, Alluvium or bedrock materials determined by the Soils Consultant as being unsuitable for placement in compacted fills shall be removed from the site or used in open areas as determined by the Soils Consultant. Any material incorporated as a part of a compacted fill must be approved by the Soils Consultant prior to fill placement.

2.3 After the ground surface to receive fill has been cleared, it shall be scarified, disced and/or bladed by the Contractor until it is uniform and free from ruts, hollows, hummocks, or other uneven features which may prevent uniform compaction.

The scarified ground surface shall then be brought to optimum moisture, mixed as required, and compacted as specified. If the scarified zone is greater than twelve inches in depth, the excess shall be removed and placed in lifts not to exceed six inches or less.

Prior to placing fill, the ground surface to receive fill shall be observed, tested, and approved by the soils consultant.

2.4 Any underground structures or cavities such as cesspools, cisterns, mining shafts, tunnels, septic tanks, wells, pipe lines, or others are to be removed or treated in a manner prescribed by the Soils Consultant.

Standard Grading and Earthwork Specifications
Page2

2.5 In cut-fill transitions lots and where cut lots are partially in soil, colluvium or unweathered bedrock materials, in order to provide uniform bearing conditions, the bedrock portion of the lot extending a minimum of 5 feet outside of building lines shall be over excavated a minimum of 3 feet and replaced with compacted fill. Greater over excavation could be required as determined by Soils Consultant. Typical details are attached.

3.0 COMPACTED FILLS

3.1 Material to be placed as fill shall be free of organic matter and other deleterious substances, and shall be approved by the Soils Consultant. Soils of poor gradation, expansion, or strength characteristics shall be placed in areas designated by Soils Consultant or shall be mixed with other soils to serve as satisfactory fill material, as directed by the Soils Consultant.

3.2 Rock fragments less than six inches in diameter may be utilized in the fill, provided • They are not placed or nested in concentrated pockets • There is sufficient amount of approved soil to surround the rocks • The distribution of rocks is supervised by the Soils Consultant

3.3 Rocks greater than twelve inches in diameter shall be taken off-site, or placed in accordance with the recommendations of the Soils Consultant, areas designated as suitable for rock disposal (A typical detail for Rock Disposal is attached.)

3.4 Material that is spongy, subject to decay, or otherwise considered unsuitable shall not be used in the compacted fil.

3.5 Representative samples of materials to be utilized as compacted fill shall be analyzed by the laboratory of the Soils Consultant to determine the physical properties. If any material other than that previously tested is encountered during grading, the appropriate analysis of this material shall be conducted by the Soils Consultant before being approved as fill material.

3.6 Material used in the compacting process shall be evenly spread, watered, processed, and compacted in thin lifts not to exceed six inches in thickness to obtain a uniformly dense layer. The fill shall be placed and compacted on a horizontal plane, unless otherwise approved by the Soils Consultant.

3.7 If the moisture content or relative compaction varies from that required by the Soils Consultant, the Contractor shall rework the fill until it has been approved by the Soils Consultant.

3.8 Each layer shall be compacted to at least 90 percent of the maximum density in compliance with the testing method specified by the controlling government agency or ASTM 1557-12, whichever applies.

If compaction to a lesser percentage is authorized by the controlling governmental agency because of a specific land use or expansive soil conditions the area to receive fill compacted to less than 90 percent shall either be delineated on the grading plan and/or appropriate reference made to the area in the geotechnical report.

3.9 All fills shall be keyed and benched through all topsoil, colluvium, alluvium, or creep material, into sound bedrock, or firm material where the slope receiving fill exceeds a ratio of five horizontal to one vertical or in accordance with the recommendations of the Soils Consultant.

3.10 The key for side hill fills shall be a minimum width of 15 feet within bedrock or firm materials, unless otherwise specified in the geotechnical report, (see detail attached.)

3.11 Sub drainage devices shall be constructed in compliance with the ordinances of the controlling governmental agency, or with the recommendations of the Soils Consultant. (Typical Canyon Subdrain details are attached.) Standard Grading and Earthwork Specifications

Page 3 ends

3.12 The contractor will be required to obtain a minimum relative compaction of at least 90 percent out to the finish slope face of fill slopes, buttresses, and stabilization fills. This may be achieved by either over building the slope and cutting back to the compacted core, or by direct compaction of the slope face with suitable equipment, or by any other procedure, which produces the required compaction approved by the Soils Consultant.

3.13 All fill slopes should be planted or protected from erosion by other methods specified in the Soils report.

3.14 Fill-over-cut slopes shall be properly keyed through topsoil, colluvium or creep material into rock or firm materials and the transition shall be stripped of all soils prior to placing fill (see attached detail.)

4.0 CUT SLOPES

4.1 The Soils Consultant shall inspect all cut slopes at vertical intervals exceeding five feet.

4.2 If any conditions not anticipated in the geotechnical report such as perched water, seepage, lenticular or confined strata of a potentially adverse nature, unfavorably inclined bedding, joint or fault planes encountered during grading, these conditions shall be analyzed by the Soils Consultant, and recommendations shall be made to mitigate these problems (Typical details for stabilization of a portion of a cut slope are attached.)

4.3 Cut slopes that face in the same direction as the prevailing drainage shall be protected from slope wash by a non-erodible interceptor swale placed at the top of the slope.

4.4 Unless otherwise specified in the geotechnical report, no cut sloped shall be excavated higher or steeper than that allowed by the ordinances of controlling governmental agencies.

4.5 Drainage terraces shall be constructed in compliance with the ordinances of controlling governmental agencies, or with the recommendations of the Soils Consultant.

5.0 TRENCH BACKFILLS

5.1 Trench excavation shall be inspected prior to structure placement for competent bottom.

5.2 Trench excavations for utility pipes shall be backfilled under the supervision of the Soils Consultant.

5.3 After the utility pipes has been laid, the space under and around the pipe shall be backfilled with clean sand or approved granular soil to a depth of at least one foot over the top of the top of the pipe. The sand backfill shall be uniformly jetted into place before the controlled backfill is placed over the sand.

5.4 The on-site materials, or other soils approved by the Soils Consultant, shall be watered and mixed, as necessary, prior to placement in lifts over the sand backfill.

5.5 The controlled backfill shall be compacted to at least 90 percent of the maximum laboratory density, as determined by the ASTM D1557-12 or the controlling governmental agency.

5.6 Field density tests and inspection of the backfill procedures shall be made by the Soils Consultant during backfilling to see that proper moisture content and uniform compaction is being maintained. The contract shall provide test holes and exploratory pits as required by the Soils Consultant to enable sampling and testing.

Standard Grading and Earthwork Specifications
Page4

6.0 GRADING CONTROL

6.1 Inspection of the fill placement shall be provided by the Soils Consultant during the progress of grading.

6.2 In general, density tests should be made at intervals not exceeding two feet of fill height or every 500 cubic yards of fill placed. This criteria will vary depending on soil conditions and the size of the job. In any event, an adequate number of field density tests shall be made to verify that the required compaction is being achieved.

6.3 Density tests should be made on the native surface material to receive fill, as required by the Soils Consultant.

6.4 All clean-out, processed ground to received fill, key excavations, subdrains, and rock disposals should be inspected and approved by the Soils Consultant prior to placing any fill. It shall be the Contractor's responsibility to notify the Soils Consultant prior to placing any fill. It shall be the Contractor's responsibility to notify the Soils Consultant when such areas will be ready for inspection.

7.0 CONSTRUCTION CONSIDERATIONS

7.1 Erosion control measures, when necessary, shall be provided by the Contractor during grading and prior to the completion and construction of permanent drainage controls.

7.2 Upon completion of grading and termination of inspection by the Soils Consultant, no further filling or excavating, including that necessary for the footings foundations, large tree wells, retaining walls, or other features shall be performed without the approval of the Soils Co nsu lta nt.

7.3 Care shall be taken by the Contractor during the final grading to preserve any berms, drainage terraces, interceptor swales, or other devices of permanent nature on or adjacent to the property.

TYPE A
------------, - ---------
-------· Natural grade ~-- Proposed grade .. -
\\'
\,·
Colluvium and alluvium (remove)
/.
~ ,'
~ ~~~ ------:-- ---~ '
• -""'"'~ ,•
/
, / - Typical benching / · y Bedrock or ,
approved
native material ---··­
- See Alternate Details
TYPE B
------------, ----------
- Natural grade ~- Proposed grade
\/ ,x;?
\Y'
\✓
- - Colluvium and alluvium (remove
\ \
,v
\ \, ~~~ ----=~ .;.-✓,\\\
~ ~----- \'<'
\ , ~,.......:~"::'1 _,,..- -..___ A~~~-. \\ 1/
-\ -~~~~...,,..,,.,....,.....,..,,__,,.,,...,,,..,.. Typical benching /-,)/, \\\ Bedrock or " :.-::;:,\ , , ~
approved '
native material
See Alternate Details
Selection of alternate subdrain details, location, and extent of subdrains should be evaluated by the geotechnical consultant during grading.

CANYON SUBDRAIN DETAIL Plate 1 SoCal Professional
Engineers
·-·--- 6-inch minimum
A-1 8-1
Filter material: Minimum volume of 9 cubic feet per
lineal foot of pipe. FILTER MATERIAL
Perforated pipe: 6-inch-diameter ABS or PVC pipe or
approved substitute with minimum 8 perforations
(¼-inch diameter) per lineal foot in
bottom half of pipe (ASTM D-2751, SDR-35, or
ASTM D-1527, Schd. 40).

For continuous run in excess of 500 feet, use
8-inch-diameter pipe (ASTM D-3034, SDR-35, or
ASTM D-1785, Schd. 40).

Sieve Size
1 inch
¾ inch
¾ inch
No.4
No. 8
No. 30
No. 50
No. 200
Percent Passing
100
90-100
40-100
25-40
18-33
5-15
0-7
0-3
AL TERNA TE 1: PERFORATED PIPE AND FILTER MATERIAL
6 inch
minimum
Filter fabric --
\ ~ - 6-inch minimum
\ '---,,,..__ / I
/ /'-6-inch
I I - - 1 ,- ---·· 6-inch minimum
.l---~ minimum
...._____
0,Y/
6-inch minimum -·
A-2
Gravel Material: 9 cubic feet per lineal foot.

Perforated Pipe: See Alternate 1
Gravel: Clean ¾-inch rock or approved substitute.

Filter Fabric: Mirafi 140 or approved substitute.

I
ALTERNATE 2= PERFORATED PIPE, GRAVEL, AND FILTER FABRIC CANYON SUBDRAIN ALTERNATE DETAILS Plate 2
SoCal Professional
Engineers
Original ground surface to be
restored with compacted fill
I
2D
/
Toe of slope as shown
on grading plan
~#;, / Original ground surface
,§' ~<.. / D • Anticipated removal of unsuitable material ~i::-~ / (depth per geotec{ hnical engineer)
\ \"\ "'' / ~\ /\ -;\ /
/~~~..,,...,.,....;...---------L.--------
~0~\\5
Back-cut varies. For deep removals,
backcut should be made no steeper
than 1:1 (H:V), or flatter as necessary
for sat ety considerations.

Provide a 1:1 (HV) minimum projection from toe of
slope as shown on grading plan to the recommended
removal depth. Slope height, site conditions, and/ or
local conditions could dictate flatter projections.

FILL SLOPE TOEING OUT ON FLAT ALLUVIATED CANYON DETAIL PLATE 3 SoCal Professional Engineers Proposed grade ~ - - - -
-----
Proposed additional compacted fill
L---- To be removed before placing __ _,
additional compacted fill
~- Previously placed, temporary
compacted fill for drainage only
---
...... .. .. .. . , ..
. . . . . . . . . . . . . . . . . . . . . . . .

REMOVAL ADJACENT TO EXISTING FILL ADJOINING CANYON FILL DETAIL Plate 4 SoCal Professional
Engineers
Design finish slope ---..

Blanket fill (if recommended by
the geotechnical consultant)
, ___ 1~ _foot ____ i
m1mmum
Drainage per design
civil engineer l 10-foot minimum /
_ 25-foot maximum/
_ _ _
-~-~--- .-- ..
... ..
\\« /, _)
....-\...,.. \ .... :,.,..:, .,..J , \ <
1-- -
- - -/-
- Buttress or
1s-toot typical stabilization fill
\~;] drain jpacing, ====~ ./=/~========
7 f c: , 2-Percent Gradient ffimJ Typical
benching
(4-foot
minimum)
15-foot minimum
----or H/2 where H ia the _ __. __
slope height
Bedrock or
approved native
material
Subdrain as
recommended by
geotechnical consultant
Typical benching
4-inch-diameter non-perforated
outlet pipe and backdrain (see
detail Plate E-6). Outlets to be
spaced at 100-f oot maximum
intervals and shall extend 2 feet
beyond the face of slope at time
of rough grading completion. At
the completion of rough grading.
the design civil engineer should
provide recommendations to
convey any outlet's discharge to
a suitable conveyance, utilizing a
non-erosive device.

TYPICAL STABILIZATION / BUTTRESS FILL DETAIL Plate 5 SoCal Professional Engineers Filter Material: Minrmum of 5 cubrc feet per lineal foot of pipe or 4 cubic feet per lineal feet of pipe when placed in square cut trench.

Alternative in Lieu of Filter Material: Gravel may be encased in approved filter fabric.

Filter fabric shall be Mirafi 140 or equivalent. Filter fa bric shall be lapped a minimum of 12 inches in all joints.

Minimum 4-lnch-Diameter Pipe: ABS-ASTM D-2751, SDR 35; or ASTM D-1527 Schedule 40, PVC-ASTM D- 3034, SDR 35; or ASTM D-1785 Schedule 40 with a crushing strength of 1,000 pounds minimum, and a minimum of 8 uniformly-spaced perforations per foot of pipe. Must be installed with perforations down at bottom of pipe. Provide cap at upstream end of pipe. Slope at 2 percent to outlet pipe. Outlet pipe to be connected to subdrarn pipe with tee or elbow.

Notes: 1. Trench for outlet pipes to be backfilled and compacted with onsite soil.

2. Backdrains and lateral drains shall be located at elevation of every bench drain. First drain located at elevation just above lower lot grade. Additional drains may be required at the discretion of the geotechnical consultant.

Filter Material shall be of the following
spec~ication or an approved equivalent.

Sieve Size
1 inch
¾ inch
¾ inch
No. 4
No. 8
No. 30
No.50
No.200
Percent Passing
100
90-100
40-100
25-40
18-33
5-15
0-7
0-3
Gravel shall be of the following
specification or an approved equivalent.

Sieve Size
1½ inch
No.4
No.200
Percent Passing
100
50 8
TYPICAL BUTTRESS SUBDRAIN DETAIL Plate 6 SoCal Professional Engineers
Toe of slope as shown
on grading plan _ 7
\
Proposed grade\/ / .,-­
' /
Natural slope to
be restored with
compacted fill
I
I
Compacted fill
Backcut varies
NOTES=
\
I
i
I
Subdrain as recommended by
geotechnical consultant

1. Where the natural slope approaches or exceeds the design slope ratio, special recommendations would be provided by the geotechnical consultant.

2. The need for and disposition of drains should be evaluated by the geotechnical consultant, based upon exposed conditions.

FILL OVER NATURAL (SIDEHILL FILL) DETAIL Plote 7
SoCal Professional
Engineers
H • height of slope
Cut/fill contact as
shown on grading plan _,,
\
Cut/fill contact as
shown on as-built plan 7
\
I
\
Original (existing) grade \
r-- Proposed grade \
\
\ ~
\ / I Maintain • ~ Compacted fill .!Jlinirnum 15-foot., ; ~ ,,.,,.

I fill section from ! 7 , , backcut to face , ,)/\ \ ::,,,\ / - ,,,- [ of finish elope 1/ 1
!
__ _J __
i _-A-=,....._,.,,,_,........,.......!' 4-foot minimum
' - --- 7 -
- x I !
/
_ -< Bench width I
1-- may vary--[ - - -
. .. • ~ ~\\""':~:"7;""~~-4::, . (4-foot minimtBn) Cut slope -. =· .- •• • . 1/ ' ~t minimum .
----~ . . :-- ~ ,y), \ key depth~ 1 15-foot minimum or [ . -. . . --~ --~ \ \ \1/ 1---H/2 where H is --
~ \ \ \ ? ((,,?5---S\ \_,_ / I the slope height I
Bedrock or approved
native material
Subdrain as recommended by
geotechnical consultant
NOTE: The cut portion of the slope should be excavated and evaluated by the geotechnical consultant prior to construction of the fill portion.

FILL OVER CUT DETAIL Plate 8
SoCal Professional
Engineers
Natural slope
Proposed finish grade
--- - - ---- - ~ - -- -- --
•:-.-··:
.
... .
• .•••
.
.. :.
. _;·
-
.
:
. , •. • •
· ..
••
. . .
•
··
••
.
• •
..
•
·
_
·.•·
.•• ... ••
.·:_-~- --_ .. _:: _ _ .:.~-
/"
--
~
Typical benching
(4-foot minimum)
·H: ·:~:·£=. :80/4•// ~~~~~ m=mlil!bact Compacted stablization fill '------ Bedrock or other approved native material // ---r
/
2 Percent Gradient
Xr(0~~¼~t\ .
! - w
~ --If recommended by the geotechnical
consultant, the remaining cut portion of
the slope may require removal and
replacement with compacted fill.

Subdrain as recommended by
geotechnical consultant
NOTES= 1. Subdrains may be required as specified by the geotechnical consultant. 2 W shall be equipment width (15 feet) for slope heights less than 25 feet. For slopes greater than 25 feet, W shall be evaluated by the geotechnical consultant. At no time, shall W be less than H/2, where His the height of the slope.

STABLIZATION FILL FOR UNSTABLE MATERIAL EXPOSED IN CUT SLOPE DETAIL Plate g SoCal Professional
Engineers
H - height of slope
Proposed finish grade -- Natural grade __
. ~ • 3-loot
minimum ~ !
---i ,\<;
'\ ,:.-:;
'
. /
Typical benching
(4-foot minimum)
Subdrain as recommended by
geotechnical consultant
Bedrock or
approved
native material
NOTES= 1. 15-foot minimum to be maintained from proposed finish slope face to backcut.

2. The need and disposition of drains will be evaluated by the geotechnical consultant based on field conditions.

3. Pad overexcavation and recompaction should be performed if evaluated to be necessary by the geotechnical consultant.

SKIN FILL OF NATURAL GROUND DETAIL Plate 10
SoCal Professional
Engineers
Reconstruct compacted fill slope at 2=1 or flatter
(may increase or decrease pad area)
Overexcavate and recompact
replacement fill
Natural grade
. ,• .. . . . ..
••
. ' ':.
~
•
, · . .
.... •
..
. . . .
--· .. ,._- ·/ .::._./

2. Pad overexcavation and recompaction should be performed if evaluated necessary by the geotechnical consultant.

DAYLIGHT CUT LOT DETAIL Plate 11
SoCal Professional
Engineers
Natural grade ·········-··
···- Proposed pad grade __ . ........----·-----------........... ........... _··,-~­ ------------ --=:::::------
_t
CUT LOT OR MATERIAL-TYPE TRANSmON
Natural grade
- Proposed pad grade --------~
-------- ...__________
l_ .. ... •• •• :~ 3- to 7-foot minimum•
.. · · ; .• ' •. : : • ~ \x overexcavale and recompact
I -'-
b~· ~e.~ ..,.,.....,.........,..._...,.........,........,,..,....._,)-,: per text of report 6u~a~ ~\( • Deeper overexcavation may be
Typical benching
(4-foot minimum)
·- Bedrock or
approved native
material
recommended by the geotechnical
consultant in steep cut-fill transition
areas, such that the underlying
topography is no steeper than 3=1 (H:V)

CUT -FILL LOT (DAYLIGHT TRANSITION)
TRANSITION LOT DETAILS Plate 12
SoCal Professional
Engineers

VIEW NORMAL TO SLOPE FACE
cD cD c:co
c:c:o C)I 15-foot I
minimum C'CD
···---1 (B) 1- -­ cD
/ cco cD
I (A) I I c:co cD c}g)
cD--- 15-foot-----c:c:o ,_ cD
minimum
(D)
C'CC) C:CO (f)
0 1/ \: {\~\1/ :\;,<,\< ,--\ . \ \ /.1// .,.-\ \ :<,/4½, \ /\ \ ,/-, . . . ,, .,, ' .:,Y,\ Bedrock or approved
minimum native material

VIEW PARALLEL TO SLOPE FACE
J_
(E) Hold-down depth
-~
__ Proposed finish grade -----~ __
I (B) I - --100-toot----- I I
~
maximum I , - - 3-foot minimum
~
(D) t ~
15-fool minimum ---:
25-foo! minimum
~--
C) ~
NOTES:

A One equipment width or a minimum of 15 feet between rows (or windrows).

B. Height and width may vary depending on rock size and type of equipment. Length of windrow shall be no greater than 100 feet.

C. If approved by the geotechnical consultant, windrows may be placed direclty on competent material or bedrock, provided adequate space is available for compaction.

D. Orientation of windrows may vary but should be as recommended by the geotechnical engineer and/or engineering geologist. Staggering of windrows is not necessary unless recommended.

E. Clear area for utility trenches, foundations, and swimming pools; Hold-down depth as specified in text of report, subject to governing agency approval.

F. All fill over and around rock windrow shall be compacted to at least 90 percent relative compaction or as recommended.

G. After fill between windrows is placed and compacted, with the lift of fill covering windrow, windrow should be proof rolled with a D-9 dozer or equivalent.

VIEWS ARE DIAGRAMMATTC ONLY AND MAY BE SUPERSEDED BY REPORT RECOMMENDATTONS OR CODE

ROCK SHOVLD NOT TOUCH AND VOIDS SHOULD BE COMPLETELY FILLED OVERSIZE ROCK DISPOSAL DETAIL Plate 13
SoCal Professional
Engineers

ROCK DISPOSAL PITS
Fill lifts compacted 01/er -­
rock after embedment r--- ----
1 L--­
l
-------- Granular material
I
I
I Compacted Fill
I
------7
, _ _ Size of excavation to :
be commensurate I
with rock size I

ROCK DISPOSAL LA YEAS
Granular soil to fill voids, denaified by flooding _ ?5_ -- _ + _:~~cte~fi~ _ Layer one rock high _____ -or J-~ _ j__ L_ Proposed finish gr~ ,__ __ -~ __:: ~-~-• _ __ : H~~~-down depth PROFILE ALONG LA YER t :;;;;-z;;-;;;;-;;z~-:::;;_--~--:::c:i:::, - " Oversize layer ~
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TOP VIEW
• Hold-down depth or below lowest utility as specified in text of report, subject to governing agency approval. •• Clear zone for utility trenches, foundations, and swimming pools, as specified in text of report.

VIEWS ARE DIAGRAMMATIC ONLY AND MAY BE SUPERSEDED BY REPORT RECOMMENDA TlONS OR CODE

ROCK SHOULD NOT TOUCH AND VOIDS SHOULD BE COMPLETELY FILLED IN ROCK DISPOSAL DETAIL Plate 14
SoCal Professional
Engineers

APPENDIX E
ASCE 7 Hazard Report
SoCal Professional Engineers W.O. NO. 0612101.00

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Address: Standard: ASCE/SEI 7-16 Elevation: 1282.42 m (NAVD 88) No Address at This
Location
Risk Category: II
Soil Class: D - Default (see
Latitude: 33.682103
Longitude: -117.330162
Section 11.4.3)
https://asce7hazardtool.online/ Page 1 of 3 Fri Apr 23 2021

ASCE~
.OMERCA'ISOCIITTOF cr,u :,GIN rns
Seismic
Site Soil Class: D - Default (see Section 11.4.3)
Results:

SS : 2.003 SD1 : N/A
S1 : 0.721 TL : 8
Fa : 1.2 PGA : 0.856
Fv : N/A PGA M : 1.027
SMS : 2.404 FPGA : 1.2
SM1 : N/A Ie : 1
SDS : 1.603 Cv : 1.5
Ground motion hazard analysis may be required. See ASCE/SEI 7-16 Section 11.4.8.

Data Accessed: Fri Apr 23 2021
Date Source: USGS Seismic Design Maps
https://asce7hazardtool.online/ Page 2 of 3 Fri Apr 23 2021

ASCE~
MER CA' SOCIITT OF mu:,GIN rns
The ASCE 7 Hazard Tool is provided for your convenience, for informational purposes only, and is provided “as is” and without warranties of any kind. The location data included herein has been obtained from information developed, produced, and maintained by third party providers; or has been extrapolated from maps incorporated in the ASCE 7 standard. While ASCE has made every effort to use data obtained from reliable sources or methodologies, ASCE does not make any representations or warranties as to the accuracy, completeness, reliability, currency, or quality of any data provided herein. Any third-party links provided by this Tool should not be construed as an endorsement, affiliation, relationship, or sponsorship of such third-party content by or from ASCE.

ASCE does not intend, nor should anyone interpret, the results provided by this Tool to replace the sound judgment of a competent professional, having knowledge and experience in the appropriate field(s) of practice, nor to substitute for the standard of care required of such professionals in interpreting and applying the contents of this Tool or the ASCE 7 standard.

In using this Tool, you expressly assume all risks associated with your use. Under no circumstances shall ASCE or its officers, directors, employees, members, affiliates, or agents be liable to you or any other person for any direct, indirect, special, incidental, or consequential damages arising from or related to your use of, or reliance on, the Tool or any information obtained therein. To the fullest extent permitted by law, you agree to release and hold harmless ASCE from any and all liability of any nature arising out of or resulting from any use of data provided by the ASCE 7 Hazard Tool.
https://asce7hazardtool.online/ Page 3 of 3 Fri Apr 23 2021 Appendix E
Phase One Environmental Site Assessment,
APNS 377-190-002, 377-190-003,
377-190-004, Collier Avenue
S & S Commercial Environmental Services, Inc.

Phone (949)650-4994 714-337-4323 Fax (909)498-0302 e-mail [email protected] TOP: APN Map Parcels 377-190-002, 377-190-003, 377-190-004 BOTTOM: View Across Subject Property SW to NE

PHASE ONE ENVIRONMENTAL SITE ASSESSMENT
APNS 377-190-002, 377-190-003, 377-190-004 COLLIER AVENUE LAKE ELSINORE, CALIFORNIA 92530
24732 Overlook Drive Corona, CA 92882

TABLE OF CONTENTS

1.0 INTRODUCTION.................................................................................................................................... 4

1.1 Purpose and Scope of Work....................................................................................................... 7

1.2 Involved Parties/Information Sources .....................................................................................7

1.3 Limitations and Exceptions................................................................................. 10

2.0 PRINCIPAL FINDINGS ..................................................................................................................... 11

2.1 Summary of Operations and Environmental Discrepancies ..........................................11

2.2 Summary of Building Materials and Environmental Discrepancies............................12

2.2.1 Asbestos.......................................................................................................................... 12

2.2.1.1 Building Materials Presumed to Contain Friable Asbestos................13

2.2.1.2 Building Materials Presumed to Contain Non-Friable Asbestos...... 14

2.2.2 Radon ........................................................................................................ 14

2.2.3 Lead Paint ................................................................................................. 14

2.2.4 Poly-Chlorinated Biphenyl (Pcb)............................................................ 14

2.2.5 Lead In Water .......................................................................................... 14

2.2.6 Mold .......................................................................................................... 14

2.2.7 Flood Plain................................................................................................ 14

2.2.8 Wetlands ................................................................................................... 15

2.2.9 Indoor Air ................................................................................................. 15

2.2.10 Underground Tank .................................................................................. 15

2.2.11 Vapor Intrusion ........................................................................................ 15

2.2.12 Vapor Encroachment Condition ............................................................ 15

3.0 SITE OVERVIEW.................................................................................................................................. 16

3.1 Location........................................................................................................................................ 16

3.2 Adjacent Properties ........................................................................................................................ 16

3.3 Site Description .......................................................................................................................... 16

4.0 SITE HISTORY AND OPERATIONS .............................................................................................17

4.1 Building Permit History ........................................................................................................... 17

4.2 Operations................................................................................................................................... 17

4.3 Operational Permits, Manifests, MSDS ............................................................. 17

5.0 ENVIRONMENTAL SETTING.......................................................................................................17

5.1 Regional Physiographic ................................................................................................................ 17

5.2 Soil Conditions............................................................................................................................ 18

5.3 Groundwater Conditions......................................................................................................... 18

6.0 RESULTS OF INVESTIGATIONS.................................................................................18

6.1 Site Inspection Observations...................................................................................................18

6.2 Regulatory Agency Contacts……………………………………………………...20 ii

TABLE OF CONTENTS

6.3 Personal Interviews, Site Records Review.................................................................20

6.4 Historical Aerial Photograph Review.................................................................20

6.5 Synopsis of Previous Environmental Investigations................................................21

6.6 Summary of Government Records Search.........................................................22

7.0 DISCUSSION OF INVESTIGATION..........................................................................23

8.0 CONCLUSIONS...............................................................................................................25

8.1 Areas of No Apparent Concern...................................................................................25

8.2 Areas of Further Concern............................................................................................25

9.0 RECOMMENDATIONS .........................................................................................................25

9.1 Areas of No Action ........................................................................................................25

9.2 Further Investigation........................................................................................................ 25

9.3 Performance Statement 1527-21 12.8.1............................................................. 25

10.0 LIMITATIONS.......................................................................................................................... 25

11.0 REFERENCES........................................................................................................................... 27

11.1 Published References ....................................................................................................27

11.2 Record of Personal Communications ........................................................................27

12.0 APPENDICES ................................................................................................................. 29

12.1 Site Location Map..........................................................................................................30

12.2 Historical Aerial Photographs & Sanborn Fire Insurance Maps........................32

12.3 USGS Topographic Map of Site..................................................................................47

12.4 Environmental Features...............................................................................................49

12.5 Building Permits............................................................................................................53

12.6 DTSC Envirostor Map and Geotracker....................................................................78

12.7 DOGGR Section............................................................................................................81

12.8 SCAQMD............................................................................................................. 84

12.9 Letter from Magnetek ..................................................................................................86

12.10 Certification................................................................................................................... 89

12.11 Resume............................................................................................................................ 91

12.12 Environmental First Search Report...........................................................................98 iii

Subject Property : APNS 377-190-002, 377-190-003, 377-190-004 Lake Elsinore, CA 92530 October 28, 2024 S & S Job #OC24012
Lender - Client Privilege Work Product
ATTN: COLLIER COMMERCIAL PROPERTIES, LLC
43 Golfview Drive
Dove Canyon, CA 92679
N 33-40-55, W 117-19-49 (NAD 83)

33.681843, -117.330313
RE: Phase I Environmental Site Assessment
Undeveloped Property on Collier Avenue
APNS 377-190-002, 377-190-003, 377-190-004
Lake Elsinore, CA 92530
Township: 06S Range: 04W Section: 06
Baseline: San Bernardino

1.0 INTRODUCTION
This report presents the results of our Phase I Environmental Site Assessment performed on the subject property known as APNS 377-190-002, 377-190-003, 377-190-004 in the City of Lake Elsinore in the County of Riverside, California. The Intended User for this Report is the Addressee above and the financial institution for which is intended.

This Phase I Site Assessment updates and relies on in part a Phase I Site Assessment performed in April 20th, 2021 by SoCal Engineers per ASTM 1527-13 on the property.

That Phase I did not identify any long term issues for the subject property. (see below) “Based upon the site reconnaissance, historical review, regulatory records review, and other information detailed within this report, this Assessment identified no obvious evidence of Recognized Environmental Conditions (RECs), Controlled RECs or Historic RECs in connection with the subject property. No further investigation is recommended.” The purpose of this Phase I Site Assessment is for Due Diligence to identify any historical or current environmental issues which might affect the subject property during due diligence for a loan where the subject property is collateral.

The following Phase I Site Assessment is intended to meet the Scope of Work requirements and procedures included within 40 CFR §312 et al and ASTM E 1527-21 for the transfer, new finance or a refinance of an existing loan on the above property.

The purpose of this report is to provide an AAI- Compliant Phase I Environmental Site Assessment to evaluate the risks associated with providing financing and/or accepting the Property as collateral. “innocent landowner, contiguous property owner, or bona fide prospective purchaser limitations on CERCLA liability” (42 U.S.C.§9601 et seq).

Qualification for these limitations is predicated on the assumption that “…the defendant must have undertaken, at the time of acquisition, all appropriate inquiry into the previous 4 Subject Property : APNS 377-190-002, 377-190-003, 377-190-004 Lake Elsinore, CA 92530 ownership and uses of the property consistent with good commercial or customary practice in an effort to minimize liability….” However, no warranty is made so that this report constitutes all appropriate inquiry since numerous other factors, including user responsibilities, are required.

There were no Special Conditions for this Phase I Site Assessment Environmental Report.

The site inspection was performed on Monday October 28, 2024. This Phase I is valid per ASTM 1527 -21 Section 4.6 for 180 days from that date or March 28, 2024.

All appropriate inquiry into the previous ownership and uses of the Property was conducted to identify all potential environmental conditions that may have a material impact on the Property and to minimize the liability both on-site and from adjoining and adjacent properties which may have environmental issues germane to the subject Current State of California & Federal Agency Web Data Reviewed For This Report * Cal-EPA Envirostor
* Regional Water Quality Control Board Geotracker
* Dept of Conservation (DOGGR) Div. of Oil & Gas
* SCAQMD Find
* SoCal Professional Engineers Phase I
The 2006 EPA “All Appropriate Inquires” provides for determination by the Environmental Professional CFR Title 40 Section 312.22 as to what records are necessary to understand a subject property history. The ASTM 1527-2021 Standard provides a list of possible sources of information for the Environmental Professional to use to determine that history and the potential for Environmental Problems.

Property tax records (ASTM §8.3.4.3) and Zoning/Land use records (ASTM §8.3.4.8) were not considered significant sources for information due to the known history of the individual parcels making up the subject property, the known current and former occupants and the building permit history for the parcel. ASTM §8.3.4.7)
Recorded land title records (ASTM §8.3.4.4) are part of a Title Report which was requested as part of the contract and is the Clients Responsibility per ASTM 1527-2013 Standard.

The new standard states in summary that in order to satisfy AAI, a user must conduct a search for the existence of environmental liens or AULs that are filed or recorded against the property.

While not provided, a Title Report was not deemed necessary by this Environmental Professional to evaluate the environmental status of the property based upon the information identified in the research for this report.

No Significant Data Gaps were identified. Greatest reliance was on Historical Aerial Photographs, SoCal Professional Engineers, and Envirostor. 5 Subject Property : APNS 377-190-002, 377-190-003, 377-190-004 Lake Elsinore, CA 92530 A Google search was the only Other Historical Source used (ASTM §8.3.4.9) due to the nature of the parcel and the other information available to determine the history. There were no unusual or environmentally sensitive uses noted.

Cross Streets Directories were not considered necessary based upon the history of the subject property and properties adjoining and adjacent.

Sanborn Fire Insurance Maps showed the area of the subject property in 1933 the last year that they were drawn for Elsinore. The maps were not site specific. (See 12.2 Historical Aerial Photographs and Sanborn Fire Insurance Maps in the appendix) An Underground Tank Research Request was not submitted due to the known activities on the subject property, prior research and availability of records.

An Environmental Records Search was purchased to identify any CERCLIS, NPL, SPL, RCRA-CORRACTS, CERCLIS/NFRAP, RCRA-TSD, SCL, SWLF Sites within a significant distance of the subject property.

This list was also checked for Leaking Underground Tank Sites within a significant distance of the subject property. Those closest to the subject property have all been closed and are not considered an issue. (see 12. 6 DTSC Envirostor Map and Geotracker in appendix) No potential leaking underground tanks, RCRA Generators or other environmentally sensitive activities were identified within a significant distance of the subject property There are 3 Geothermal Wells within an approximate mile of the subject property. These are not expected to be an issue.

Current State of California Agency Information Reviewed For This Report * Cal-EPA Envirostor
* Regional Water Quality Control Board Geotracker
* Dept of Conservation (DOGGR) Div of Oil & Gas
* South Coast Air Quality Management District SCAQMD
No Significant Data Gaps were identified. The subject property has been shown to be undeveloped and vacant over the years. Development south as a Towing Yard. West across W. Minthorn Street as a portable and toilet rental and piping contractor with Flood Control Basin monitoring and operations building. North the construction of a Flood Control Stormwater Retention Basis. Across Collier Avenue to the east State Highway 395 then completion of Interstate 15.

A Title Report was not provided for research for Environmental Liens. Based on the research for this report, a Google Internet Search , CAL-EPA Envirostor and known history, no environmental liens are expected.
6 Subject Property : APNS 377-190-002, 377-190-003, 377-190-004 Lake Elsinore, CA 92530 Report Organization
This report is divided into sections which discuss the field investigation, government records search, regulatory agency contacts and recommendations. Appendices follow the text.

1.1 Purpose and Scope of Work
The purpose of a Phase I Environmental Site Assessment is to discover any past or present environmentally related events which may negatively impact the subject property. This includes a search of all available records concerning the property and the performance of an on-site inspection. Procedures followed in the performance of a Phase I Environmental Site Assessment include executing a government records search, researching permits for the site where prudent, interviewing the tenants of the subject property or neighbors in close proximity, studying aerial photographs, interviewing personnel at the appropriate regulatory agencies and conducting a physical survey of the subject property.

1.2 Involved Parties/Information Sources
This S & S Commercial Environmental Services, Inc., Phase I Environmental Site Assessment is produced through the efforts of a California Registered Environmental Assessor working in conjunction with Federal, State and county regulatory agencies.

Track Info Services L.L.C. maintains a comprehensive, computerized data base of pertinent, environmentally related records, referred to as an Environmental First Search Report, which is updated on a regular basis. This database is researched for Category I, II, III and IV sites within a mile of the subject property and a report is generated based upon the available regulatory records. The report is reviewed for sites which might impact the subject property, and an inquiry is directed toward those sites within the 2,000-foot hazardous waste disclosure zone.

The field investigation includes a site assessment, observations of the neighboring facilities and verification of permits and building records, as necessary. This review and inspection was performed by Stephen A. Quartararo, California Registered Environmental Assessor, California General Engineering Contractor, Hazardous Materials Certified, California Asbestos Contractor, CA Drilling Contractor and ASPE Professional Estimator.

Definitions modified and added in the ASTM-1527 2013/21 Revision as approved by the EPA include:
a. Simplified Recognized Environmental Condition (REC) definition to “the presence or likely presence of any hazardous substances or petroleum products in, on, or at a property: (1) due to any release to the environment; (2) under conditions indicative of a release to the environment; or (3) under conditions that pose a material threat of a future release to the environment.” b.Stated a Limitation on the definition of an HREC (historical REC) to closed RECs that have been completely resolved (“clean closure”) with no restrictions. Those 7 Subject Property : APNS 377-190-002, 377-190-003, 377-190-004 Lake Elsinore, CA 92530 undergoing continued maintenance or monitoring should be discussed.

Also, for HREC’s, if there has been a change in the regulatory criteria and if the Environmental Professional (EP) considers this past release to now be an REC at the time the Phase I ESA investigation is conducted,”... the condition shall be included in the conclusions section of the report as a REC.” c. Review of Title and Judicial Records for Environmental Liens or Activity and Use Limitations (AULs) continues to be a User (Client) requirement that is to be conducted by a Title professional, not the EP or Phase I Professional. Buyer or Lender needs to ensure that Title companies are searching for judicial records. d.(VES) Vapor Encroachment Screening under E2600-22 is a referenced document in ASTM E1527 2021 under Section 2.1. Under this Standard Vapor migration should be treated no differently than the way contaminated groundwater migration is considered in a Phase I ESA and should be discussed using the CERCLA definition of “release” and “environment” which includes vapor.

BACKGROUND OF CALIFORNIA VAPOR REGULATIONS
During the early 2000’s the EPA and DTSC formulated guidelines for soil vapor including Volatile Organic Compounds known as VOC. This was because while VOCs are sinkers with a heavy center of gravity, remnants of chlorinated hydrocarbons, including Benzene in Gasoline and any cleaners for engines such as PCE left residual amounts of VOC in the soil which later became airborne and were related to future cancers.

In 2009 the EPA Published Regional Screening levels (RSLs) which included Vapor and PCE also known as VOCs or Volatile Organic Compounds.

In 2010 California (CAL EPA-DTSC) Published California Human Health Screening Levels (CHHSLs) which included vapor and VOCs/PCE.

In 2011 DTSC required that vapor intrusion into buildings be assessed at sites where VOCs are present in soil vapor…[if regulated compounds are found in soil then testing of the vapor should be performed]
… Assessment of the indoor air exposure pathway involves characterizing subsurface VOC vapor plumes, obtaining appropriate environmental data, using an attenuation factor to predict indoor air concentrations from vapor intrusion, and conducting a human health risk assessment for the inhalation pathway to estimate cancer risk and noncancer hazard.

DTSC provides guidance for assessing potential for health risks from the indoor air exposure pathway [DTSC, 2011].
8 Subject Property : APNS 377-190-002, 377-190-003, 377-190-004 Lake Elsinore, CA 92530 In 2013 ASTM 1527-2013 was published and CERCLIS (Comprehensive Environmental Response, Compensation, and Liability Information System) was expanded to include vapor along with soil and water as potential sources of contamination and human health risk.

In 2015 ASTM 2600-15 was modified from the previous version as a model for soil vapor investigation where regulated soil contaminants were known or suspected in soil or vapor.
2019 saw the publication of ASTM E 1903 : 2019 Standard Practice for Environmental Site Assessments: Phase II Environmental Site Assessment Process.

In 2022 ASTM 2600-15 was modified from the previous version as a model for soil vapor investigation where regulated soil contaminants were known or suspected in soil or vapor. To ASTM 2600 – 22.

The most current version of the CA CHHSLs are included in HHRA Note 3 (DTSC 2023). HHRA Note 3 which lists the recommended DTSC modified screening levels for soil, tap water, and ambient air. The DTSC-SLs along with the U.S. EPA Regional Screening Levels (RSLs) are to be used when conducting a screening level risk assessment.

Section 2.1 of ASTM E1527 - 2021 Standard - Vapor Encroachment Screening - 42 U.S.C. § 9601(22) defines a “release” as “any spilling, leaking, pumping, pouring, emitting, emptying, discharging, injecting, escaping, leaching, dumping, or disposing into the environment (including the abandonment or discharging of barrels, containers, and other closed receptacles containing any hazardous substances or pollutant or contaminant”
This includes solid, liquid and the ensuing migration of vapor into soil and water or from water upwards through soil in occupied areas
e. Controlled Recognized Environmental Condition (CREC) is a new term introduced in the ASTM E1527 -13 standard for Phase I Environmental Site Assessments (ESAs). The Controlled REC concept was introduced to address contaminated sites that have received risk-based regulatory closure, where no further remediation is required but residual contamination still exists at a site and the property is subject to some sort of control or use restriction. These sites, where contamination is controlled but could still pose ongoing or future obligations on the owner (such as special precautions during construction or grading activities), have been a source of some confusion to the environmental due diligence industry with regards to how they should be classified.
9 Subject Property : APNS 377-190-002, 377-190-003, 377-190-004 Lake Elsinore, CA 92530 The CREC, as subset of the Recognized Environmental Condition (REC) category and a distinct category from Historical Recognized Environmental Condition (HREC), is intended to clarify the level of risk these sites represent. The environmental professional is required to list any CRECs (as well as RECs) identified in the findings and conclusions section of the Phase I Environmental Site Assessment report.

The ASTM definition of CREC in the E1527-21 standard is as follows: “a recognized environmental condition resulting from a past release of hazardous substances or petroleum products that has been addressed to the satisfaction of the applicable regulatory authority (for example, as evidenced by the issuance of a no further action letter or equivalent, or meeting risk-based criteria established by regulatory authority), with hazardous substances or petroleum products allowed to remain in place subject to the implementation of required controls (for example, property use restrictions, activity and use limitations, institutional controls, or engineering controls).”
There were no CREC’s noted in the records researched.
f. Adjoining Property Research
In the updated ASTM 1527 -21 standard, the section governing review of prior uses on the subject property specifically enumerates four standard historical resources that must be reviewed if, based on the judgment of the environmental consultant, they are reasonably ascertainable, likely to be useful, and applicable to the subject property: (1) aerial photographs, (2) fire insurance maps, (3) local street directories, and (4) historical topographic maps. ASTM E1527-21 also requires review of these four standard historical resources for properties adjoining the subject property if they have been researched for the subject property, provide coverage of one or more adjoining properties, and are likely to be useful.

Online information regarding underground tanks leaks and closures on adjacent properties were identified in the records researched and further investigated with no underground tanks.

There are no significant other changes to the ASTM 1527-21 Standard that was given final approval by the EPA.

1.3 Limitations and Exceptions
This Phase I ESA does not address whether requirements in addition to AAI have been met in order to qualify for the LLPs under CERCLA of 1980. Nor does it address requirements of any state or local laws, or of any federal laws other than the AAI provisions of the LLPs. There may be other local, state, and/or federal laws which impose environmental assessment obligations that are beyond the scope of the ASTM Standard for a Phase I ESA. There may also be other legal obligations regarding hazardous substances or petroleum products that are not addressed in the 10 Subject Property : APNS 377-190-002, 377-190-003, 377-190-004 Lake Elsinore, CA 92530 ASTM Standard and that may pose risk of civil and/or criminal sanctions for noncompliance.

There may be environmental conditions or issues at the subject property which are not covered under the scope of the Phase I ESA. Assessment of such non-scope considerations is not required for the AAI defined in the ASTM Standard. Examples of non-scope considerations which may be assessed in addition to the scope of the Phase I ESA include (in no particular order of importance): asbestos-containing materials, biological agents, cultural and historic resources, ecological resources, endangered species, health and safety, indoor air quality, industrial hygiene, leadbased paint, lead in drinking water, mold, radon, regulatory compliance, wetlands, or other non-scope considerations.

No ESA can wholly eliminate uncertainty regarding the potential for RECs in connection with a property. Completion of this ESA was intended to reduce, but not eliminate, uncertainty regarding this potential within the limits of reasonable time and cost.

2.0 PRINCIPAL FINDINGS

2.1 Summary of Operations and Environmental Discrepancies The subject property has always been vacant land southwest of former Highway 395/ 15 Freeway.

With the exception of grading in 2021/23 and parking of some vehicles there have been no known activities on the subject property.

Adjoining and Adjacent Properties
Over the years the free flowing creek to the west was redirected into a concrete lined flood channel, a monitoring station was constructed to the west and a retention basin to control flooding and conserve stormwater to the north.

A towing service started to the south with Laidlaw Transit having an oil leak in an underground tank south in 1989 that was closed.

Beyond the retention basin to the north operates Right Way Toilets which is the site of an underground tank leak of gasoline that was closed in 1989.

Neither of those underground tank leaks is expected to be an issue for the subject property.
11 Subject Property : APNS 377-190-002, 377-190-003, 377-190-004 Lake Elsinore, CA 92530

2.2 Current Adjoining Property Uses.

North is a Flood Control/Stormwater Retention Basin.

South is Brothers Towing and Steve’s Towing.

West is W. Minthorn and a construction materials rental yard and the monitoring building for the flood control system.

East is a vacant parcel then the 15 Freeway.

There were no problems noted adjoining or adjacent to the subject property discovered through the site inspection or noted in the agency scan which would indicate a potential problem for the subject property.

The closed former underground tank leaks noted were not within 100 feet of the subject property and did not appear to be significant.

Summary of Building Materials and Environmental Discrepancies There are no buildings on the subject property, only gravel base installed three years ago. As such, there are no friable or non-friable asbestos building materials presumed on the subject property, no lead paint or lead in water and no Pcb containing fluorescent light fixtures.

A summary of the current regulatory status of asbestos precedes further description as non-friable asbestos is still sold in the United States.

2.2.1 Asbestos
Background - Asbestos is a natural occurring mineral fiber utilized in a multitude of building material products due to its high tensile strength and excellent fire-resistant properties. The EPA has defined asbestos materials as being either friable or nonfriable materials. Friable material is defined as being easily broken or crushed by hand pressure (e.g., soft acoustical ceilings or blown-on fireproofing).

Non-friable asbestos is generally found in pre-manufactured products that bind the asbestos in an adhesive material, such as roofing felts, floor tile, transite pipe and mastics. This is significant, due to the ability to create a fiber release and cause human exposure during normal activities. The EPA currently does not require the removal of asbestos-containing materials that do not present a problem for human exposure. Most friable asbestos-containing materials were banned in building materials by 1978.

In October 1995, a new FED-OSHA ruling became effective which redefined building materials perceived as asbestos-containing into four classes of work and modified the way in which these asbestos-containing materials are handled. 12 Subject Property : APNS 377-190-002, 377-190-003, 377-190-004 Lake Elsinore, CA 92530 Under this ruling, "thermal system insulation and sprayed-on or troweled on or otherwise applied surfacing materials" installed before 1980 are considered PACM (presumed asbestos-containing material) unless sampled and identified by a certified individual as to asbestos content. These materials are considered high risk materials for abatement and their removal is classified under Class I removal activities.

Other building materials such as "floor or ceiling tiles, siding, roofing, transite panels [floor sheeting, floor or roof mastics]" are also considered PACM (presumed asbestos-containing material) unless sampled and identified by a certified individual as to asbestos content but are considered low risk materials for abatement and their removal is classified under Class II, III and IV removal and repair and maintenance operations.

Significant under these new regulations is the deletion of the category of "SmallScale Short-Term Duration" removal activities which regularly allowed Class I, II, III and IV activities to proceed with less regulatory oversight.

In July 1996, CAL-OSHA adopted the FED-OSHA guidelines as part of California law subject to some of the more stringent requirements pre-existing in California under Prop 65, the Conelly Bill and various other requirements or legislation passed by the California legislature.

Under the NESHAPS laws of 1976 and as later amended, asbestos does not have to be removed from a facility until such time as it undergoes major renovations or is demolished. Until that time, the present emphasis by the EPA is to recommend repair of any damaged areas and management of the asbestos-containing materials.

Prior to any renovation work being done involving asbestos-containing materials of 260 lineal feet or 160 square feet in area, the local branch of the EPA must be notified.

Prior to the demolition of any building or house, mandatory bulk sampling must be accomplished and, if asbestos is present, notification must be made to the local branch of the EPA and Air Quality Management District.

In California, for the removal of any asbestos-containing materials greater than 0.1% by weight, notifications must also be made to CAL-OSHA and a licensed contractor with an asbestos certification is required for any work which exceeds 100 square feet.

2.2.1 Asbestos De Minimis Condition

2.2.1.1 Building Materials Presumed to Contain Friable Asbestos There are no presumed friable asbestos-containing materials. 13 Subject Property : APNS 377-190-002, 377-190-003, 377-190-004 Lake Elsinore, CA 92530

2.2.1.2 Building Materials Presumed to Contain Non-Friable Asbestos There are no presumed friable asbestos-containing materials.

2.2.2 Radon
APNS 377-190-002, 377-190-003, 377-190-004 Lake Elsinore, CA 92530 is in Radon Zone "2" and no Radon Exposure Issues are expected.

2.2.3. Lead Paint
Paint containing more than 0.06% (by weight of dried product) lead was banned for residential use in the United States in 1978 by the U.S. Consumer Product Safety Commission (16 Code of Federal Regulations CFR 1303).

EPA Regulations for maintenance, renovation and handling are contained in 40 CFR 745.225, 40 CFR 745.226, 40 CFR 745.324
There are no buildings and no lead paint.

2.2.4. PCB Poly Chlorinated Bi Phenyl
Pcb was outlawed for use in Transformers and Florescent Light Fixture ballasts in 1978. There are no buildings and no Florescent Light Fixture ballasts with Pcb.

There is no Pcb is expected in transformers supplying the subject property based upon Federal Regulations in 1978 requiring removal of Pcb in transformers within 30 feet of occupied areas.

Discussions with Southern California Edison Company found that all of the pad and pole-mounted transformers in the City of Elsinore had been checked. There is no threat of pcb-containing transformers in the area.
.2.5. Lead In Water
A prohibition on lead in plumbing materials has been in effect since 1986. There are no building improvements and no lead water valves.

2.2.6. Mold
Mold results from rainwater intrusion and from leaking plumbing pipes.

A mold survey was not conducted.

2.2.7 Flood Plain
Panel: 06065C2037G, Effective Date: 8/28/2008
Zone X - Area of minimal flood hazard, usually depicted on FIRMs as above the 500-year flood level.
14 Subject Property : APNS 377-190-002, 377-190-003, 377-190-004 Lake Elsinore, CA 92530

2.2.8. Wetlands
The subject property is not part of any National Wetlands Inventory, and no Wetlands were noted on the subject property during the site inspection.

2.2.9. Indoor Air Quality - Subjective
Unsatisfactory indoor air quality was not identified via Olfaction (smell) and there is a Pro Active Management Style regarding sanitation. There were no areas identified in this research of concern for Unsatisfactory Indoor Air Quality from chemicals, gases or regulated materials being used on or off site, present from past activities or building construction

2.2.10 Underground Tanks
There is no history of underground tanks on the subject property and no operations requiring underground tanks. No further research was deemed necessary.

2.2.11 Vapor Intrusion
Vapor intrusion is a potential human exposure pathway that people may come into contact with hazardous vapors while performing their day-to-day indoor activities.

Vapor intrusion occurs when vapor-forming chemicals migrate from any subsurface source into an overlying building which can occur in ways similar to that of radon gas seeping into homes.

Vapor screening levels were established in 2009 by the EPA in a Regional Screening Levels (RSLs) Table and are part of CA Codes known as CHHSLs and were last updated in 2020 under the CA Health Environmental Risk program HERO, note 3.

The purpose of the RSLs and CHHSLs was to define levels of soil vapor that could cause cancer in long term human exposure to air in confined spaces where carcinogens can become concentrated. The most significant threat is for residents in single and multi-family housing that may be inside for a period of many years.

2.2.12 Vapor Encroachment Condition
ASTM E2600 - 22 : ASTM defines the term "Vapor Encroachment Condition" - presence or likely presence of "chemical of concern" vapors in the subsurface of the Target Property caused by the release of vapors from contaminated soil or groundwater or both either on or near the Target Property as identified by the Tier 1 or Tier 2 procedure.

The EPA has defined a potential Vapor Encroachment Zone as current or historical vapor sites within 100 feet. A Tier I Vapor Encroachment Screening was performed which did not identify any sources of regulated vapor within 100 feet (VEZ) of the subject property.
15 Subject Property : APNS 377-190-002, 377-190-003, 377-190-004 Lake Elsinore, CA 92530

3.0 SITE OVERVIEW

3.1 Location
The subject property is north of the intersection of W. Collier Avenue and Minthorn Street and abutting both W. Collier Avenue and Minthorn Street on the north and south sides, respectively. The site is located west of Interstate Freeway 16 and north of Central Avenue in the City of Lake Elsinore, County of Riverside, California.

The land use in the general area is commercial and vacant.

3.2 Adjacent Properties
North is a Flood Control/Stormwater Retention Basin operated by the Riverside County Flood Control and Water Conservation. Next is Rightway Site Services Inc. at 653 W. Minthorn Street, which had a former underground tank leak closed in 1989.

South is Brothers Towing and Steve’s Towing then Aggregate Crushing. That site was the Laidlaw site which had an underground tank leak that closed in 1989.

West is W. Minthorn and a construction materials rental yard by Rightway Rentals. Adjoining to the north of Rightway is a monitoring building for the Riverside County Flood Control and Water Conservation.

East is a vacant parcel then the 15 Freeway.

There were no environmentally unsafe emissions or discharges noted from any adjacent properties during the site visit. There was no suspicion of any unsafe emissions or discharges from any of the adjoining or adjacent properties.

3.3 Site Description
The subject property consists of a total of 2.64-acres of vacant commercial land.

The subject property is comprised of three undeveloped lots. The subject property is located between Collier Avenue on the northeast and W. Minthorn Street on the southwest, within a commercial and light industrial area.

The surface is covered with crushed aggregate or gravel.

There is a piece of construction equipment on the northeast next to containers with expected construction equipment inside.

There were no significant discolorations to indicate chemical spills. There were no significant stains. There was no indication of current improper storage or handling of hazardous or corrosive materials on the day of the site visit. 16 Subject Property : APNS 377-190-002, 377-190-003, 377-190-004 Lake Elsinore, CA 92530

4.0 SITE HISTORY AND OPERATIONS

4.1 Building Permit History
There were no buildings or building permits for the subject property.

There was no indication that the subject property was ever a gas station or had underground tanks.

4.2 Operations
Former Operations - The subject property was an agricultural or vacant parcel of land east of the body of water referred to as Lake Elsinore, then a 2.64 parcel of vacant land between Collier Avenue and W. Minthorn Street west of the 15 Freeway adjoining a Flood Control Basin. The property was rough graded in 2021/3 and covered with a layer of rock base also referred to as agragate.

Current Operations
The subject property remains a 2.64 acre parcel of vacant land covered with a rock base and fenced with locking gate on the Collier Avenue side.

4.3 Operational Permits, Manifests and Material Safety Data Sheets EPA ID Number - An EPA ID number is used by a facility to dispose of hazardous chemicals over a certain specified quantity. There have been no known regulated materials used on the subject property and no RCRA or CA EPA numbers.

Hazardous Waste Manifests - Hazardous waste manifests are used to transport regulated hazardous wastes for legal disposal. There are no regulated hazardous materials being generated on-site and disposed of and no manifests.

Air Emissions - According to the South Coast Air Quality Management District online service named FIND permits are only issued by address and there are no known addresses or permits.

Safety Data Sheets (SDS) - Safety Data Sheets are required for hazardous materials being used on-site. There are no operations on the subject property which require SDS.

5.0 ENVIRONMENTAL SETTING

5.1 Regional Physiographic
The subject property is at an elevation approximately 1,280 feet above sea level, according to the US Geological Survey. The land around the subject property is composed of flat land with a general slope to the southwest towards Lake Elsinore to the west.

The general area of the subject property is located within the Peninsular Ranges geomorphic province of southern California. The Santa Ana Mountains to the west are separated from the Perris Block to the east by the Elsinore Fault zone. The 17 Subject Property : APNS 377-190-002, 377-190-003, 377-190-004 Lake Elsinore, CA 92530 subsurface features of the alluvial fans are related to erosion of the surrounding hills and mountains, resulting in the deposition of deep layers of alluvial deposits.

5.2 Soil Conditions
Soil conditions can only be accurately assessed with soil borings which are outside the scope of this report. Based upon the research and lack of known operations on the site soil contamination does not appear to be a concern.

5.3 Groundwater Conditions
There were no tests found of the groundwater directly under the subject property.

Hydrogeologically, the site is located in the Elsinore Basin which lies in the valley between the Santa Ana Mountains and the low plateau of the Perris area.

Site-specific groundwater information for the subject property was unavailable.

According to State Water Resources Control Board’s on-line Geotracker database (www.geotracker.swrcb.ca.gov), the closest LUST site with available online groundwater data was the Raj Ultramar Service Station at 301 N. Main Street, located approximately 0.67-mile southeast of the subject property. This site indicates a reported depth to first groundwater of approximately 22.7 feet below ground surface. The available on-line data also indicates a general northnorthwesterly direction of groundwater flow at that site.

The first water is from surface runoff which has percolated through the soil. This water is not used for drinking water.

Groundwater sampling is outside the scope of this investigation.

6.0 RESULTS OF INVESTIGATION

6.1 Site Inspection Observations
The subject property is a flat rough graded parcel covered with crushed aggregate or gravel.

There is a piece of construction equipment on the northeast side with storage containers in the shape of a U and compartments for tools.

There were no current operations, which would be considered a potential problem for the subject property.

The surrounding properties appear to be free of any problems which would be a significant source of migratory contamination to the subject property. 18 Subject Property : APNS 377-190-002, 377-190-003, 377-190-004 Lake Elsinore, CA 92530

6.2 6.2.5

6.2.6 Regulatory Agency Contacts

6.2.1 Elsinore Valley Municipal Water District
Mr. Julius Ma with the district formerly stated that water supply for the area comes from local deep Elsinore Aquifer groundwater sources during the winter months and is mostly imported from the MWD and treated at Skinner Lake Treatment Plant during the summer.

This water is chlorinated at the wellhead or treatment plant per State regulation, and it is provided to the water company’s customers through a system of pipelines. Mr.

Ma stated that all of the water meets State and Federal drinking water standards.

6.2.2 California Department of Conservation, Division of Mines and Geology The California Department of Conservation, Division of Mines and Geology, was contacted regarding the proximity of active earthquake faults. According to Mr.

Jerry Tremain, Geologist, the subject property is not part of any special studies zone pursuant to the Alquist-Priolo Earthquake Fault Rupture Hazard Zones Act of 1972, which mandated studies of active faults in California. An active fault zone is described by the State Mining and Geology Board as "one which had surface displacement within the Holocene time (about the last 10,000 years)".

6.2.3 California Division of Oil and Gas
A review of the State of California Division of Oil and Gas Maps do not indicate that there were ever any oil well surface-drilled into the subject property. (See appendix). There are 3 Geo Thermal Wells for steam within a mile of the subject property. These are of no concern due to the soil and drill muds expected to be non hydrocarbon.

6.2.4 Southern California Edison Company
Southern California Edison supplies electrical power to the area. According to Mr.

Barry Guimond, Service Planner, there is no pcb in any of the transformers owned by Southern California Edison. He said that they were never specified for the equipment. A check of the transformers has not revealed any pcb in any cooling oils.

City of Lake Elsinore Building Department
There are no building permits for the subject property.

Department of Health Services, State Department of Radon Mr. David Quinton, Environmental Health Specialist with the State Department of Radon, was contacted regarding the presence of radon in the area. He said that the most recent studies done predicted less than 2.4% of homes and less than 0.04% of the schools in the State of California would be over the EPA's action level of four picocuries/liter. He stated that this study was performed in existing homes and that there was no effective methodology of correlating soil samples to houses. Mr.

Quinton explained that much is dependent upon the soil under a residence and thetype of foundation a house is built upon. Additionally, the standard is based 19 Subject Property : APNS 377-190-002, 377-190-003, 377-190-004 Lake Elsinore, CA 92530 upon exposure of 18 hours per day for 70 years, which would not correlate to a business exposure. Mr. Quinton said that, with the exception of Madera County in Northern California, the State of California has nearly concluded all radon testing in the State and has found that there is little likelihood of a significant radon exposure in California.

Mr. Quinton said that business exposures had not been within the parameters of any of these studies due to the limited time most businesspeople are in one location. He also said that the State does not plan to study businesses based upon the previous studies and that there is no standard for a commercial enterprise being conducted outside of a home.

6.2.7 South Coast Air Quality Management District (SCAQMD) FIND was researched regarding permits or violations for the subject property.

Permits are by address and there are no addresses or permits for the subject property.

6.3 Personal Interviews, Site Records Review

6.3.1 Personal Interviews
Mr. Troy Chislock, Property Representative - Mr. Chislock provided access to the subject property and a copy of the 2021 Phase I Environmental Site Assessment.

6.3.2 Site Records Review
The property is vacant and there were no records regarding regulated materials or operations to review.

6.4 Historical Aerial Photograph & Sanborn Fire Insurance Map Review A USGS topographic map from 1953, and aerial photographs dated 1938, 1953, 1967, 1978, 1986, 1992, 1997, 2002, 2005, 2008. 2014, 2024 from the 2021 Phase I and Rupp Aerial formerly in Corona, California and historicaerials.com and with the USGS were reviewed to establish the history of the property.

The photographs, interviews and quadrangle map were specifically examined for evidence of hazardous materials, as well as on and off-site features that may affect the environmental quality of the property. These features include sumps, pits, ponds, lagoons, aboveground tanks, landfills, outside storage of hazardous materials and general land use.

None of the above anomalies were noted to be on or within a problematic distance of the subject property in the photographs reviewed regarding the historical significance of adjacent properties.

Sanborn Fire Insurance Maps were not available for this property as it has never been developed and Sanborn Fire Insurance Maps were discontinued in 1950. There was a Sanborn Fire Insurance Map for downtown Lake Elsinore first drawn in 1925 20 Subject Property : APNS 377-190-002, 377-190-003, 377-190-004 Lake Elsinore, CA 92530 and updated in 1933. That map covered and area further southwest than the subject property. (see appendix)
1938 - The subject property is land east of a free flowing stream between a road on the north and a road on the south. There are trees to the north. A road exists further east.
1953 - There are no significant changes to the subject or adjoining properties. 1967 - There are no significant changes to the subject or adjoining properties. There is now a building further south and a highway north.
1978 - This aerial photo is provided with streets drawn in to show San Jacinto to the northwest, the property vacant, Interstate 15 being developed and supporting operations adjacent to the freeway.
1986 - There are no significant changes. Further development is in progress and new buildings further south and northeast. The free flowing stream to the west has now been concrete channelized.
1992 - There are no significant changes to the subject or adjoining properties. The retention basis to the north is being developed. Additional buildings are in area. 1997 – There are no significant changes to the subject or adjoining properties. 2002 - There are no significant changes to the subject or adjoining properties. 2005 - There are no significant changes to the subject or adjoining properties. 2014 - There are no significant changes to the subject or adjoining properties. 2019 – There are no significant changes to the subject or adjoining properties. 2021 - There are no significant changes to the subject or adjoining properties. 2024 - There are no significant changes to the subject or adjoining properties.

A copy of the USGS map along with relevant aerial photographs are in the Appendix.

6.5 Synopsis of Previous Environmental Investigations
There was a Phase I performed by SoCal Professional Engineers in 2021 based upon ASTM 1527 – 2013. That “…Assessment identified no obvious evidence of Recognized Environmental Conditions (RECs), Controlled RECs or Historic RECs in connection with the subject property…”
21 Subject Property : APNS 377-190-002, 377-190-003, 377-190-004 Lake Elsinore, CA 92530

6.6 No further investigation was recommended.

Summary of Government Records Search (Environmental First Search Report) NOTE: This government records summary is based, in part, on investigating critical or "border zone" properties near the subject property. The State of California, Department of Health Services has defined these sites as being within 2,000 feet (or approximately 0.4 mile) of the subject property. Other sites more distant in proximity may be listed but not considered critical and, therefore, not further investigated. For this report, a search of agency listings of properties within one mile was made. Because of the property address and the width of the subject property, some sites will show as being within .1 or .2 miles or the subject property when they are actually on the subject property.

The subject property is not listed.

The following is a summarized form of the detail provided in the Environmental First Search Report in the Appendix.

CATEGORY ONE: NPL, SPL, RCRA-CORRACTS, RCRA-TSD, SWLF, SCL,

CERCLIS/NVRAP, TRIBAL LANDS
This category is composed of lists compiled by the US Environmental Protection Agency and the State of California Equivalency lists. This category includes National Priority List sites, RCRA Corrective Actions by the EPA and USEPA permitted treatment, storage and disposal facilities within a one-mile radius of the subject property. This includes sites for designation under the Federal SUPERFUND Program, permitted solid waste landfills, incinerator sites or transfer stations and the State Bond Program for sites representing an environmental concern for the discharge of hazardous wastes.

There are no Category One sites listed as being within a one-mile radius of the subject property as of the date of this report.

CATEGORY TWO: (½ mile) LUST, DEED RSTR, TOXIC PITS, CORTESE The sites within this category include sites selected for possible placement on the Federal NPL list or the State risks to human health and the environment. This category also includes leaking underground tank sites from both the Regional Water Quality Control Board and the State mandated CORTESE lists of properties with hazardous wastes, sites with DEED restrictions and Toxic Pits Cleanup facilities.

Sites within this category are provided in this list within a mile as of the date of this report, with other DEED restrictions and Toxic Pits sites from 1994 and 1995.

There are six Category Two sites listed within one-half mile of the subject property.

These sites are closed with the gradient away from the subject property. There are no problems noted. See appendix.
22 Subject Property : APNS 377-190-002, 377-190-003, 377-190-004 Lake Elsinore, CA 92530 CATEGORY THREE: (1/4 mile) RCRA VIOL, TRIS, UST/AST
Sites in this list are the result of RCRA enforcement actions, the Toxic release inventory base and registered aboveground or underground tanks. The databases range from 1994 information for underground tanks to the date of this report for information concerning RCRA actions and registered aboveground storage tanks.

There are no Category Three sites listed within a one-quarter mile radius of the subject property.

CATEGORY FOUR: (1/8 mile) ERNS, GNRTR, SPILLS
Sites in this category include ERNS, RCRA and State Spill reports.

ERNS - ERNS is a national database retrieval system of Incident-Notification information as initially reported by any party regarding incidents of reported releases of oil and hazardous substances. The information in this report combines data from the United States Coast Guard National Response Center data base with data from the 10 EPA Regions. ERNS supports the release notification requirements of Section 103 of the Comprehensive Environmental Response, Compensation and Liability Act (CERCLA), as amended; Section 311 of the Clean Water Act; and Sections 300.51 and 300.65 of the National Oil and Hazardous Substances Contingency Plan. This database is current as of the date of this report . There are no ERNS sites listed within a one-eighth mile radius of the subject.

RCRA - Sites which generate regulated hazardous waste above a certain quantity are required to use EPA identification numbers and are called RCRA sites. An EPA identification number does not indicate a problem with a site, but merely that they use or dispose of a minimum quantity of a hazardous waste. There are nine RCRA sites listed within a one-eighth mile radius of the subject property as of the date of this report. None are close enough to be of concern.

SPILLS - These sites are on the State of California lists as having had spills of regulated hazardous waste as of the date of this report. There are no SPILLS sites listed within a one-eighth mile radius of the subject property.

7.0 DISCUSSION OF INVESTIGATION
Asbestos 1527-05 Section 13.1.5.1 - The site inspection revealed no buildings and no presumed asbestos-containing materials.

Pcb 1527-05 Section 9.4.1.10 - There should not be any pcb in any of the utility transformers on or near the site, according to Southern California Edison. There are no fluorescent light fixtures on-site which are suspected of having ballasts that could contain a small quantity of pcb.

Aboveground Storage Tanks 1527-05 - The physical site survey did not evidence the existence of aboveground storage tanks on the subject property. 23 Subject Property : APNS 377-190-002, 377-190-003, 377-190-004 Lake Elsinore, CA 92530 Underground Storage Tanks 1527-05 Section 9.4.1.3 9.4.1.4 & .5 - The physical site survey and record survey did not evidence current or former underground storage tanks on the subject property.

Air Emissions - There are no regulated air emissions from the subject property.

Water Supplies 1527-05 Section 9.4.1.9 - Discussions with the Elsinore Valley Municipal Water District evidenced a potential water supply to the site which meets all of California's drinking water requirements.

Wastewater 1527-05 Section 9.4.1.10 & 9.4.4.7 - Site observations did not evidence any source for illegal disposal of toxic chemicals into the public sanitary sewer system.

Waste Generation, Storage and Disposal 1527-21 Section 9.4.1.4.4 & .5 & .6 & .7 - The physical site survey did not evidence current or former generation of regulated hazardous waste.

Pesticides, Herbicides - There was no current use of herbicides or pesticides noted beyond the normal residential and commercial insect and pest control.

Radon - Radon comes from the natural breakdown (radioactive decay) of uranium. The Environmental Protection Agency (EPA) estimates that the average soil in the United States contains only about one part per million of uranium. Uranium is found in about 150 minerals including granite, phosphate and shale. Granite is a major concern for the presence of radon, as some deposits have been found to contain extremely high levels of uranium.

The area of the subject property does not indicate any large deposits of granite material which would be of concern to test for the presence of radon. Phosphorous is an essential ingredient in chemical fertilizers and comes from phosphate rock. There does not appear to ever have been much fertilizer used around the subject property. According to Mr. David Quinton of the State Department of Radon, the chance of radon being a hazard in Southern California is less than 1%.

Lead-Based Paint - Specific testing is required to determine if paint or other materials used in the construction of any building contains significant levels of lead. These tests are not within the scope of work for this report and no investigation for lead content was, or will be, performed unless agreed to by the property owner as an additional service, incurring additional costs. Buildings constructed after 1980 would not be expected to have lead in the paint.

Regulatory Actions - No evidence of regulatory actions on the subject property was found in any of the records checked.

Known Site Problems - There are no known site problems. 24 Subject Property : APNS 377-190-002, 377-190-003, 377-190-004 Lake Elsinore, CA 92530 Regional or Adjacent Problems - There was no direct evidence of regional or adjacent problems found in the records checked that indicated a conclusive impact on the subject property during any of the time periods reviewed.

8.0 CONCLUSIONS

8.1 Areas of No Apparent Concern
There is no concern for migration of contaminants from off-site sources to the subject property. There is no concern for contamination on the subject property.

8.2 Areas of Further Concern
There are no areas of further concern.

9.0 RECOMMENDATIONS

9.1 Areas of No Action
There are no areas of action recommended.

9.2 Further Investigation
In this Assessors Opinion, there is no need for further investigation.

9.3 Performance Statement 1527-21 12.8.1- We have performed a Phase I Environmental Site Assessment in conformance with the scope and limitations of ASTM Practice E1527 - 21 of APNS 377-190-002, 377-190-003, 377-190-004 Lake Elsinore, CA 92530. Any exceptions to, or deletions from, this practice are described in Section 1 of this report. This assessment has revealed no evidence of a REC Recognized Environmental Concerns or Historical Recognized Environmental Concern (HREC).

10.0 LIMITATIONS
This report is intended to satisfy the requirements of a Phase I Environmental Site Audit as outlined in the ASTM 1527-21 & EPA “All Appropriate Inquiry“ November 2006 standards. These are intended to define the scope of due diligence necessary in a real estate transaction to provide for the "innocent buyer's defense" under the SARA amendments to CERCLA.

The findings set forth in this Phase I Environmental Site Assessment are strictly limited in time and scope to the date of evaluation(s). Government records searched are limited to the accuracy of the agency prepared lists. The conclusions presented in the report are based solely on the services described therein and not on scientific tasks or procedures beyond the scope of the agreed upon Phase I Environmental Site Assessment. It is hereby acknowledged that, within the scope of this survey, no level of assessment can ensure the real property is completely free of chemicals or toxic substances.

This public records search was conducted with available Federal, State, County and City agency departments, according to recognized procedures and current availability of records.

Conclusions resulting from these searches are solely a result of the same. S & S 25 Subject Property : APNS 377-190-002, 377-190-003, 377-190-004 Lake Elsinore, CA 92530 Commercial Environmental Services, Inc. assumes no responsibility for events that are not part of these public records.
26 11.0 REFERENCES

11.1 Published References

11.1.1 Environmental First Search Report – October 2024

11.1.2 Aerial Photograph Review -Rupp Aerial, USGS http://earth.google.com/ http://www.terraserverusa.com/ Http://historicalaerial.com

11.1.3 Topographic Maps - USGS

11.1.4 DOG Maps/1992 Munger Map Book Division of Oil & Gas W-106 http://www.conservation.ca.gov/dog/Pages/Index.aspx

11.1.5 Alquist-Priolo Earthquake Fault Rupture Hazard Special Study Zones

11.1.6 California Code of Regulations Title 22 Chapter 30, Regulations for Hazardous Waste Transport and Disposal, California Highway Patrol

11.1.7 FEDERAL, 29 CFR, Part 1910.120; 40 CFR Part 761, DOT; 49 CFR Parts 172.516; Toxic Substance Control Act

11.1.8 http://www.lapl.org/ Los Angeles Public Library Sanborn Fire Insurance Map Collection

11.1.9 CAL EPA Envirostor With Links To Regional Water Quality Control Board http://www.envirostor.dtsc.ca.gov/public/

11.1.10 http://www.epa.gov/swerosps/bf/aai/aai_final_factsheet.htm All Appropriate Inquiries Final Rule
WHAT IS "ALL APPROPRIATE INQUIRIES?"
"All appropriate inquiries" is the process of evaluating a property's environmental conditions and assessing potential liability for any contamination.

WHY IS EPA ESTABLISHING STANDARDS FOR CONDUCTING ALL
APPROPRIATE INQUIRIES?
The 2002 Brownfields Amendments to CERCLA require EPA to promulgate regulations establishing standards and practices for conducting all appropriate inquiries.

11.1.11 Internet Research http://www.google.com

11.2 Record of Personal Communications

11.2.1 Elsinore Valley Municipal Water District October 2024 Mr. Julius Ma (909)674-3146

11.2.2 California Division of Mines and Geology October 2024 Mr. Jerry Tremain, Geologist (213)620-3560

11.2.3 California Division of Oil and Gas October 2024
Cerritos Office (714)816-6847

11.2 Record of Personal Communications (cont.)

11.2.4 Southern California Edison Company
Mr. Barry Guimond, Service Planner

11.2.5 South Coast Air Quality Management District
http://www.aqmd.gov/webappl/fim/default.htm

11.2.6 State Department of Radon
Mr. David Quinton, Environmental Health Specialist

11.2.7 Lake Elsinore Building Department
October 2024
(310)481-8801
November 2022
(909)396-2900
February 1999
(916)324-2308
October 2024
(951)674-3124

12.0 APPENDIX

12.1 Site Location Map

12.2 Historical Aerial Photographs

12.3 USGS Topographic Map of Site

12.4 Environmental Features

12.5 Building Permits

12.6 DTSC Envirostor Map and Geotracker

12.7 DOGGR Section

12.8 Letter from Magnetek

12.9 Certification

12.10 Resume

12.11 Environmental First Search Report

12.1 Site Location Map

12.2 Historical Aerial Photographs

Sanborn Map 1933
1938
1953
1967

1978
1986
1992
1997
2002
2005
2014
2019 East To West
2021
2024

12.3 USGS Topographic Map of Site

7.5 Minute Topographic Map Section Elsinore

12.4 Environmental Features
Construction Equipment and Container Storage
East To West

February 2023
February 2023

East
West
North Flood Control
South Towing Services

12.5 Building Permits

Property Prole
Property Data
Site Address:
, CA
Mail Address:
43 GOLF VIEW DR
TRABUCO CANYON, CA 92679-3802
Primary Owner (s):

COLLIER COMMERICAL PROPERTIES
APN: 377-190-002
Census Tract:

Housing Tract Number:

Legal Block/Lot: LOT:26 BLOCK:90
Legal Description: LOT 26 BLK 90 MB 008/378 SD HEALDS RESUB Subdivision: HEALDS RESUB
Property County RIVERSIDE COUNTY
Vesting:

Property Characteristics
Bedrooms: 0 Year Built: SQFT:

Baths (F/H): 0 / 0 Use Code: COMMERCIAL LOT Lot Size: 38333 Total Rooms: 0 Number of Units: Garage: ()
Zoning: M1 Building Style: Coords: 33.681922, -117.330491 Number of Stories:

Sale & Loan Information
Transfer Date: 5/28/2021 Seller: MILLER JOHNNY AL Document: 2021.328778 Transfer Value: $975,000.00 Cost/Sq Feet: $0.00 Title Company: TICOR TITLE COMPANY First Loan Amt: $0.00 Lender:

Assessed & Tax Information
Assessed Value: $350,198.00 Percent Improvement: % Homeowner Exemption:

Land Value: $350,198.00 Tax Amount: $3,637.52 Tax Rate Area: 005-017 Improvement Value: $0.00 Delinquent Year: Tax Year: 2024

Property History
, CA
APN: 377-190-002
Item 1 - Transaction Date: 5/28/2021
SALE
Buyer/Borrower: Collier Commerical Properties Llc
Seller: Miller Johnny Al
Title Company TICOR TITLE COMPANY
Transaction Value $975,000.00
Transaction Type: SALE
Deed Type: Deed Transfer
Document Number: 2021.328778 View Doc
Item 2 - Transaction Date: 5/28/2021
SALE
Buyer/Borrower: Miller Johnny Al
Seller: Miller Spring
Title Company TICOR TITLE COMPANY
Transaction Value $0.00
Transaction Type: SALE
Deed Type: Deed Transfer
Document Number: 2021.328777 View Doc
Item 3 - Transaction Date: 8/21/2012
SALE
Buyer/Borrower: Miller Johnny A
Seller: First Citizens Bk & Trust Co
Title Company CHICAGO TITLE CO.

Transaction Value $130,000.00
Transaction Type: SALE
Deed Type: Deed Transfer
Document Number: 2012.397216 View Doc

break
Item 4 - Transaction Date: 7/8/2010

ASSIGNMENT
Buyer/Borrower:

Seller:

Title Company
Transaction Value $0.00
Transaction Type: ASSIGNMENT
Deed Type: Assignment
Document Number: 2010.321287 View Doc
Item 5 - Transaction Date: 6/23/2010
SALE
Buyer/Borrower: First Citizens Bk & Trust
Seller: Fidelity Natl Default
Title Company FIDELITY NATIONAL TITLE
Transaction Value $422,000.00
Transaction Type: SALE
Deed Type: Deed Transfer
Document Number: 2010.288280 View Doc
Item 6 - Transaction Date: 5/27/2010

FORECLOSURE
Buyer/Borrower:

Seller:

Title Company
Transaction Value $0.00
Transaction Type: FORECLOSURE
Deed Type: Notice Of Trustee Sale
Document Number: 2010.245759 View Doc Notice Of Trustee Sale Item 7 - Transaction Date: 2/25/2010

FORECLOSURE
Buyer/Borrower:

Seller:

Title Company
Transaction Value $0.00
Transaction Type: FORECLOSURE
Deed Type: Notice Of Default
Document Number: 2010.86149 View Doc Notice Of Default

break
Item 16 - Transaction Date: 9/30/2005
SALE
Buyer/Borrower: Quirk Family Trust
Seller: Lafornara,Chris
Title Company FIDELITY NATIONAL TITLE
Transaction Value $1,000,000.00
Transaction Type: SALE
Deed Type: Deed Transfer
Document Number: 2005.810903 View Doc
Item 17 - Transaction Date: 9/30/2005
SALE
Buyer/Borrower: Lafornara,Chris
Seller: Lake Elsinore Collier Indl
Title Company FIDELITY NATIONAL TITLE
Transaction Value $0.00
Transaction Type: SALE
Deed Type: Deed Transfer
Document Number: 2005.810902 View Doc
Item 18 - Transaction Date: 8/3/2005
SALE
Buyer/Borrower: Lake Elsinore Collier Indl Co
Seller: Lafornara,Chris
Title Company
Transaction Value $0.00
Transaction Type: SALE
Deed Type: Deed Transfer
Document Number: 2005.625252 View Doc
Item 19 - Transaction Date: 11/30/2001
SALE
Buyer/Borrower: Morris,Gary & Elena
Seller: Rios,Martin & Christine
Title Company STEWART TITLE
Transaction Value $125,000.00
Transaction Type: SALE
Deed Type: Deed Transfer
Document Number: 2001.591223 View Doc

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Item 20 - Transaction Date: 8/11/1997
SALE
Buyer/Borrower: Eastn Muni Wtr Dist
Seller: Rios,Martin Etal
Title Company UNKNOWN
Transaction Value $0.00
Transaction Type: SALE
Deed Type: Deed Transfer
Document Number: 1997.283899 View Doc
Item 21 - Transaction Date: 1/24/1996
SALE
Buyer/Borrower: Rios,Martin & Christine
Seller: Hardcastle,Jack E & Corinne M
Title Company
Transaction Value $22,000.00
Transaction Type: SALE
Deed Type: Deed Transfer
Document Number: 1996.27331 View Doc
Property Prole
Property Data
Site Address:
, CA
Mail Address:
43 GOLF VIEW DR
TRABUCO CANYON, CA 92679-3802
Primary Owner (s):

COLLIER COMMERICAL PROPERTIES
APN: 377-190-003
Census Tract:

Housing Tract Number:

Legal Block/Lot: LOT:25 BLOCK:90
Legal Description: LOT 25 BLK 90 MB 008/378 SD HEALDS RESUB Subdivision: HEALDS RESUB
Property County RIVERSIDE COUNTY
Vesting:

Property Characteristics
Bedrooms: 0 Year Built: SQFT:

Baths (F/H): 0 / 0 Use Code: COMMERCIAL LOT Lot Size: 38333 Total Rooms: 0 Number of Units: Garage: ()
Zoning: M1 Building Style: Coords: 33.681735, -117.330251 Number of Stories:

Sale & Loan Information
Transfer Date: 5/28/2021 Seller: MILLER JOHNNY AL Document: 2021.328778 Transfer Value: $975,000.00 Cost/Sq Feet: $0.00 Title Company: TICOR TITLE COMPANY First Loan Amt: $0.00 Lender:

Assessed & Tax Information
Assessed Value: $350,198.00 Percent Improvement: % Homeowner Exemption:

Land Value: $350,198.00 Tax Amount: $3,637.52 Tax Rate Area: 005-017 Improvement Value: $0.00 Delinquent Year: Tax Year: 2024 View larger map
Map data ©2024 Imagery ©2024 Airbus
Aerial Map
Street View

Property History
, CA
APN: 377-190-003
Item 1 - Transaction Date: 5/28/2021
SALE
Buyer/Borrower: Collier Commerical Properties Llc
Seller: Miller Johnny Al
Title Company TICOR TITLE COMPANY
Transaction Value $975,000.00
Transaction Type: SALE
Deed Type: Deed Transfer
Document Number: 2021.328778 View Doc
Item 2 - Transaction Date: 5/28/2021
SALE
Buyer/Borrower: Miller Johnny Al
Seller: Miller Spring
Title Company TICOR TITLE COMPANY
Transaction Value $0.00
Transaction Type: SALE
Deed Type: Deed Transfer
Document Number: 2021.328777 View Doc
Item 3 - Transaction Date: 7/8/2010

ASSIGNMENT
Buyer/Borrower:

Seller:

Title Company
Transaction Value $0.00
Transaction Type: ASSIGNMENT
Deed Type: Assignment
Document Number: 2010.321287 View Doc

break
Item 4 - Transaction Date: 6/23/2010
SALE
Buyer/Borrower: First Citizens Bk & Trust
Seller: Fidelity Natl Default
Title Company FIDELITY NATIONAL TITLE
Transaction Value $422,000.00
Transaction Type: SALE
Deed Type: Deed Transfer
Document Number: 2010.288280 View Doc
Item 5 - Transaction Date: 5/27/2010

FORECLOSURE
Buyer/Borrower:

Seller:

Title Company
Transaction Value $0.00
Transaction Type: FORECLOSURE
Deed Type: Notice Of Trustee Sale
Document Number: 2010.245759 View Doc Notice Of Trustee Sale Item 6 - Transaction Date: 2/25/2010

FORECLOSURE
Buyer/Borrower:

Seller:

Title Company
Transaction Value $0.00
Transaction Type: FORECLOSURE
Deed Type: Notice Of Default
Document Number: 2010.86149 View Doc Notice Of Default
Item 7 - Transaction Date: 9/26/2008

REFINANCE MORTGAGE RECORD
Buyer/Borrower: Elsinore West Llc Lender: TEMECULA VALLEY BANK NA Seller: Loan Type: CONVENTIONAL
Title Company Interest Rate Type: VAR
Transaction Value $550,000.00 Finance Type: REFINANCE
Transaction Type: FINANCE
Deed Type: Trust Deed/Mortgage
Document Number: 2008.527044 View Doc

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Item 8 - Transaction Date: 7/17/2007
SALE
Buyer/Borrower: Elsinore West Llc
Seller: Quirk Family Trust
Title Company
Transaction Value $1,550,000.00
Transaction Type: SALE
Deed Type: Deed Transfer
Document Number: 2007.463006 View Doc
Item 9 - Transaction Date: 10/31/2005
SALE
Buyer/Borrower: Elsinore West Llc
Seller: Quirk Family Trust
Title Company
Transaction Value $1,550,000.00
Transaction Type: SALE
Deed Type: Deed Transfer
Document Number: 2005.901205 View Doc
Item 10 - Transaction Date: 9/30/2005
SALE
Buyer/Borrower: Quirk Family Trust
Seller: Lafornara,Chris
Title Company FIDELITY NATIONAL TITLE
Transaction Value $1,000,000.00
Transaction Type: SALE
Deed Type: Deed Transfer
Document Number: 2005.810903 View Doc
Item 11 - Transaction Date: 9/30/2005
SALE
Buyer/Borrower: Lafornara,Chris
Seller: Lake Elsinore Collier Indl
Title Company FIDELITY NATIONAL TITLE
Transaction Value $0.00
Transaction Type: SALE
Deed Type: Deed Transfer
Document Number: 2005.810902 View Doc

break
Item 12 - Transaction Date: 8/3/2005
SALE
Buyer/Borrower: Lake Elsinore Collier Indl Co
Seller: Lafornara,Chris
Title Company
Transaction Value $0.00
Transaction Type: SALE
Deed Type: Deed Transfer
Document Number: 2005.625252 View Doc
Item 13 - Transaction Date: 3/26/2004
SALE
Buyer/Borrower: Lafornara,Chris
Seller: Morris,Gary & Elena
Title Company STEWART TITLE
Transaction Value $410,000.00
Transaction Type: SALE
Deed Type: Deed Transfer
Document Number: 2004.212181 View Doc
Item 14 - Transaction Date: 11/30/2001
SALE
Buyer/Borrower: Morris,Gary & Elena
Seller: Rios,Martin & Christine
Title Company STEWART TITLE
Transaction Value $125,000.00
Transaction Type: SALE
Deed Type: Deed Transfer
Document Number: 2001.591223 View Doc
Item 15 - Transaction Date: 1/24/1996
SALE
Buyer/Borrower: Rios,Martin & Christine
Seller: Hardcastle,Jack E & Corinne M
Title Company
Transaction Value $22,000.00
Transaction Type: SALE
Deed Type: Deed Transfer
Document Number: 1996.27331 View Doc

break
Item 16 - Transaction Date: 3/1/1990

SALE MORTGAGE RECORD
Buyer/Borrower: Gilson H Henry & Lender: HARDCASTLE JACK Seller: Hardcastle Jack Finance Type: RESALE
Title Company QUALITY TITLE Loan Type: CONVENTIONAL
Transaction Value: $300,000.00 Interest Rate Type:

Transaction Type: SALE Document Number:

Deed Type: Deed Transfer
Document Number: 1990.109557 View Doc
View Doc
Property Prole
Property Data
Site Address:
, CA
Mail Address:
43 GOLF VIEW DR
TRABUCO CANYON, CA 92679-3802
Primary Owner (s):

COLLIER COMMERICAL PROPERTIES
APN: 377-190-004
Census Tract:

Housing Tract Number:

Legal Block/Lot: LOT:24 BLOCK:90
Legal Description: LOT 24 BLK 90 MB 008/378 SD HEALDS RESUB Subdivision: HEALDS RESUB
Property County RIVERSIDE COUNTY
Vesting:

Property Characteristics
Bedrooms: 0 Year Built: SQFT:

Baths (F/H): 0 / 0 Use Code: COMMERCIAL LOT Lot Size: 38333 Total Rooms: 0 Number of Units: Garage: ()
Zoning: M1 Building Style: Coords: 33.681547, -117.330011 Number of Stories:

Sale & Loan Information
Transfer Date: 5/28/2021 Seller: MILLER JOHNNY AL Document: 2021.328778 Transfer Value: $975,000.00 Cost/Sq Feet: $0.00 Title Company: TICOR TITLE COMPANY First Loan Amt: $0.00 Lender:

Assessed & Tax Information
Assessed Value: $334,280.00 Percent Improvement: % Homeowner Exemption:

Land Value: $334,280.00 Tax Amount: $3,473.76 Tax Rate Area: 005-017 Improvement Value: $0.00 Delinquent Year: Tax Year: 2024 View larger map
Map data ©2024 Imagery ©2024 Airbus
Aerial Map
Street View

Property History
, CA
APN: 377-190-004
Item 1 - Transaction Date: 5/28/2021
SALE
Buyer/Borrower: Collier Commerical Properties Llc
Seller: Miller Johnny Al
Title Company TICOR TITLE COMPANY
Transaction Value $975,000.00
Transaction Type: SALE
Deed Type: Deed Transfer
Document Number: 2021.328778 View Doc
Item 2 - Transaction Date: 5/28/2021
SALE
Buyer/Borrower: Miller Johnny Al
Seller: Miller Spring
Title Company TICOR TITLE COMPANY
Transaction Value $0.00
Transaction Type: SALE
Deed Type: Deed Transfer
Document Number: 2021.328777 View Doc
Item 3 - Transaction Date: 7/8/2010

ASSIGNMENT
Buyer/Borrower:

Seller:

Title Company
Transaction Value $0.00
Transaction Type: ASSIGNMENT
Deed Type: Assignment
Document Number: 2010.321287 View Doc

break
Item 4 - Transaction Date: 6/23/2010
SALE
Buyer/Borrower: First Citizens Bk & Trust
Seller: Fidelity Natl Default
Title Company FIDELITY NATIONAL TITLE
Transaction Value $422,000.00
Transaction Type: SALE
Deed Type: Deed Transfer
Document Number: 2010.288280 View Doc
Item 5 - Transaction Date: 5/27/2010

FORECLOSURE
Buyer/Borrower:

Seller:

Title Company
Transaction Value $0.00
Transaction Type: FORECLOSURE
Deed Type: Notice Of Trustee Sale
Document Number: 2010.245759 View Doc Notice Of Trustee Sale Item 6 - Transaction Date: 2/25/2010

FORECLOSURE
Buyer/Borrower:

Seller:

Title Company
Transaction Value $0.00
Transaction Type: FORECLOSURE
Deed Type: Notice Of Default
Document Number: 2010.86149 View Doc Notice Of Default
Item 7 - Transaction Date: 9/26/2008

REFINANCE MORTGAGE RECORD
Buyer/Borrower: Elsinore West Llc Lender: TEMECULA VALLEY BANK NA Seller: Loan Type: CONVENTIONAL
Title Company Interest Rate Type: VAR
Transaction Value $550,000.00 Finance Type: REFINANCE
Transaction Type: FINANCE
Deed Type: Trust Deed/Mortgage
Document Number: 2008.527044 View Doc

break
Item 8 - Transaction Date: 7/17/2007
SALE
Buyer/Borrower: Elsinore West Llc
Seller: Quirk Family Trust
Title Company
Transaction Value $1,550,000.00
Transaction Type: SALE
Deed Type: Deed Transfer
Document Number: 2007.463006 View Doc
Item 9 - Transaction Date: 10/31/2005
SALE
Buyer/Borrower: Elsinore West Llc
Seller: Quirk Family Trust
Title Company
Transaction Value $1,550,000.00
Transaction Type: SALE
Deed Type: Deed Transfer
Document Number: 2005.901205 View Doc
Item 10 - Transaction Date: 7/21/2005
SALE
Buyer/Borrower: Quirk Family Trust
Seller: Carson Robert & S Trust
Title Company FIDELITY NATIONAL TITLE
Transaction Value $550,000.00
Transaction Type: SALE
Deed Type: Deed Transfer
Document Number: 2005.584328 View Doc
Item 11 - Transaction Date: 10/15/2004
SALE
Buyer/Borrower: Quality Fence Co Inc
Seller: Jackson,Floyd B & Anna K
Title Company STEWART TITLE
Transaction Value $0.00
Transaction Type: SALE
Deed Type: Deed Transfer
Document Number: 2004.820899 View Doc

break
Item 12 - Transaction Date: 4/19/2002

SALE MORTGAGE RECORD
Buyer/Borrower: Quality Fence Co Inc Lender: JACKSON, FLOYD B & ANNA Seller: Jackson,Floyd B & Anna Finance Type: RESALE
Title Company STEWART TITLE Loan Type: CONVENTIONAL
Transaction Value: $143,500.00 Interest Rate Type: FIX
Transaction Type: SALE Document Number: 2002.207117
Deed Type: Deed Transfer
Document Number: 2002.207116 View Doc
View Doc

12.6 DTSC Envirostor Map and Geotracker

12.7 DOGGR Map

12.8 SCAQMD Permit
No Address and No Permits

12.9 Letter from Magnetek
The following is a reprint of:

MagneTek
Universal Manufacturing
RE: PCB s
200 Robin Road
Paramus, /\iJ 07652
Phone (20 I) 967-7600
TELEX 753330
Fax (201) 967-0904
Mailing Address
P.O. Box 3028
Paterson, NJ 07509
Ballasts are used in fluorescent fixtures in business, commercial and industrial establishments, as well as in schools. One of the devices used in these ballasts is called a capacitor, which makes the ballasts operate more efficiently. These capacitors, used in ballasts made by every manufacturer in the industry, including Universal, used PCBs in small amounts until 1978, when a change was made to another liquid. Universal ballasts manufactured since January J 979 do not contain PCBs and the label of all these ballasts contain the statement "No PCB's .

The capacitor is a hermetically sealed device, which entirely isolates the PCB from human contact. The typical fluorescent ballast contained about 0.05 lbs. of 100% PCB liquid. That represents 1-2 liquid ounces. The weight of PCB used in relationship to the total capacitor weight, was approximately 15%. lo relationship to the total ballast weight it varied from 0.6% (Slimline ballasts) to 1.5% (2 lamp, 40 watt ballasts). The degree of chlorination was 42%.

For HID ballasts where larger capacitors were used, it may have been as much as 5-6 ounces of liquid. In all cases the amount of "free PCBs" (the quantity that could leak if the can ru1>tured), was much less because most of the liquid was absorbed by the blotter-like dielectric material.

Ballasts occasionally fail in service and sometimes the asphalt (tar) with which they are filled melts and leaks out. On very rare occasions. the canacitor will a lso rupture and its contents mix with the tar. If a leak occurs, it should be cleaned up with any petroleum based solvent. '
"
-
MagneTek Universal Mfg. Page 2
Such a leak docs not represent any significant immediate or long-term hazard. The United States Environmental Protection Agency has recognized the existence ofPCBs in ballasts, bas carefully evaluated the situation and in the regulations controlling the use and di.sposal of PCBs has concluded that continued use in existing lighting installations is acceptable; also that the occasional ballasts which becomes defective in service may be disposed of in compliance with 40 Cl•·R* Part 761 or check with your local State Environmental Protection Agency for instruction.

Should you have any questions regarding this matter, please do not hesitate to call me at your convenience.

Very truly yours,
MagneTek Universal Manufacturing
Robert E. Babcock
Manager, Marketing Engineering
REB:cp
* Code of Federal Regulations

12.10 Certification

ENVIRONMENTAL PROFESSIONAL CERTIFICATION
I, Stephen A. Quartararo declare that, to the best of my professional knowledge and belief, I meet the definition of an Environmental Professional as defined in Section 312.10 of this part [40CFR Part 312].

I have the specific qualifications based upon education, training, and experience to assess a property of the nature, history and setting of the subject property. I have developed and performed the all appropriate inquiries in conformance with the standards and practices set forth in 40 CFR Part 312.

12.11 Resume
RESUME
STEPHEN A. QUARTARARO http://www.phase1reports.com
Environmental Professional, CFR Title 40 Code of Federal Regulations Section 312.22 ASTM 1527-2021, ASTM 2600-15, CA 2010 CHHSLs, CA HERO 2016, SBA May 1, 2015, HUD 2016
Owner S&S Commercial Environmental Services, Inc. since formation 1997. General Engineering Contractor A Hazardous Materials Certified, General Building Contractor B, Insulation and Acoustical C-2, Asbestos Certified, Water Well Drilling Contractor C-57.

CA Real Estate Brokers License, Life & Health Insurance License (former).

Phase I Site Surveys, Phase II Soil and Groundwater Investigations, Phase III Remediation of Soil and Groundwater leading to No Further Action or Closure by Local, County, State and Federal Agencies. Environmental Hazard Assessment, Project Cost to Cure Physical Deterioration, Construction Management, Environmental Site Appraisals. Storm and Irrigation Water Conservation, Re-use.

Coordinator for Oil Well Re-abandonment at Signal Hill, CA site in 2009 and at a Valencia, California Site in 2006.

Recent Projects
2020, 21 - Phase II & II Characterization &Vapor Extraction - former dry cleaner in Ventura County CA
2020 - Phase I and Phase II of former auto wrecking yard in Inland Empire with one area owned by City and other area part of DTSC Conditionally Closed former Gas Manufacturing Plant. 2020 - Phase I, II, III, Lead Dust Abatement Excavation and Disposal of 12 tons of lead and copper contaminated soil in former radiator shop in South Bay. 2019 – Clarifier Closure including off excavation and off haul of 8 truckloads of contaminated soil in Gardena, CA under LADPW oversight.
2019 – January and July 2019 – Phase I, II and III including Abandonment of two separate Industrial Clarifiers in Southeast and Middle Los Angeles County with closure through LA County Department of Public Works. .
2018 – Phase I and Phase II with Risk Assessment by others to prove property adjoining HITCO, a regional soil and groundwater contamination site on 135th Street Gardena CA was safe for Commercial Worker Occupancy leading to approval for SBA Loan. June 2017 - Closure Investigation after nine years Under Regional Water Quality Board Oversight including 2 groundwater monitoring wells in City Sidewalk Long Beach CA.

June 2017 - Closure Investigation after nine years Under Regional Water Quality Board Oversight including 2 groundwater monitoring wells in City Sidewalk Long Beach CA.

May 2017 - Investigation - Remediation of Gas Station in Calexico, CA under Regional Water Quality Board Oversight.

December 2016 - Facilitator with LA County Fire Department Site Mitigation Unit and General Engineering Contractor for Closure of 3.5-acre industrial property in Carson, CA over a five year period. Removal of PCE Vapor in three major areas to 45 feet. Removal and off haul of 30 = twenty-four-ton truckloads of gasoline and diesel, pce and tce contaminated waste under over site of LA County Fire Department Site Mitigation Unit in a final remediation of source. Closure of minimally contaminated groundwater at 58 feet as non-beneficial water attenuating naturally.

March 2016 - Facilitator for No Further Action (NFA) Closure Letter for Soil, Soil Vapor and Groundwater for large light industrial property in Carson, CA after four years of testing and remediation. Relieved Owner from for further quarterly monitoring and remediation of groundwater under NFA property by proving that the contamination was from an offsite VOC contaminant source being remediated by Others.

EXPERIENCE
6,000 plus Phase I site assessments in CA, AL, AZ, AR, NV, NY and TN. 100's of Phase II and Phase III site investigations and closures in CA. 40 years as asbestos and environmental consultant and abatement contractor direct and subcontract. 20 of those years as owner of an Environmental Company, 19 as a General Engineering Contractor with Hazardous Certification and 3 of those years with related storm and irrigation water conservation related companies.

Professional cost estimation, third party verification of sampling activities, underground tank removal monitoring and property assessment consultant for soil and groundwater.

Coordinator of design and construction in two Los Angeles high rise office buildings for fire safety retrofit under the City of Los Angeles fire life safety ordinance.

Develop and Design of Affordable Housing, including site selection, negotiation, planning and permit process and funding sourcing.

MAJOR CONTRACTS
UC Santa Barbara (1979) - HVAC system cleaning of five-story Chemistry and Physical Sciences buildings on campus.

VA Medical Center LA Jolla (1980) - After-fire decontamination of Surgery Floor HVAC.

TRW (1983) - Bulk materials sampling for asbestos in 65-building facility, Redondo Beach, CA. UC Chancellors Office, UC San Francisco Medical Center (1984) - Survey design, field work completion, report design, report completion for UC Chancellor's office's funding request to State Assembly funding for asbestos abatement and management - 103 buildings - hospital, classrooms, administrative offices.

California Hospital Medical Center (1983) - Contract and specification design and completion of asbestos abatement projects.

County of Los Angeles (1984) - Approval of specifications, third party monitoring of contractor during Building 5 Asbestos Abatement Project at Rancho Los Amigos Medical Center.

JMB Property Management (1985) - Coordination as part of Pacific Abatement Group with building management and Med Tox abatement and hygiene personnel on 3 stories of asbestos containment project in 25 story high rise office building, Century City, CA.

UC Riverside (1985) - Asbestos management and control in utility tunnels under campus.

Tishman Construction (1985) - Area containment for electrical work adjacent to occupied areas in asbestos affected Bank of America offices at ARCO Towers, Los Angeles, CA.

Equitable Real Estate Investment Management (1986) - Asbestos abatement and containment projects, including elevator lobby doors, full floor abatement and after-fire decontamination projects in former First Interstate Bank and Union Bank buildings, Los Angeles, CA.

Baxter Pharmaceutical (1988) - Building materials sampling for asbestos and reports for 14 buildings in seven Midwest States.

Fremont Indemnity (1991) - Independent owner's agent for fire protection citation response to LAFD and construction of tenant improvements for asbestos abatement and fire life safety rehabilitation of 11-story office building in midtown Los Angeles. Included removal of underground diesel tank.

Redlands Federal Savings (1990) - Phase I Environmental Assessments of raw land in Inland Empire and San Diego areas of Southern California.

SPS Technologies (1993) - "Qualified Risk Assessment"(QRA) for sale of existing 20-acre site in Costa Mesa, CA: Work involved review of commercial appraisals, Environmental Site Remediation work completed, further remediation cost proposals, interviews with responsible
government agencies, interviews with banking authorities, preparation of report detailing current conditions and value of property less expected remediation costs, results of interviews with regulatory agencies and financial authorities, four scenarios under which the property might be sold and the anticipated financial return and liability concerns of each scenario.

Money Store Investment Corporation (from 1992 until sold) - Related - 400+ Phase I Environmental Assessments of commercial property as collateral for SBA backed commercial loans in California.

First Union/Wachovia - Successors to Money Story Investment Corporation, Then Wells Fargo Coast Federal Savings (Former- early 1990's) - 300+ Phase I Environmental Assessments and Asbestos Inspections of residential apartment buildings, commercial shopping centers and other commercial buildings from San Diego to San Francisco and Sacramento to New York State.

Chevron Real Estate Services (1991) - Coordination and management of gasoline contaminated soil remediation project in Blythe, CA; work included shoring to 30 feet along the western perimeter of project to protect adjacent restaurant, removal and bio-remediation of 3,500 cubic feet of contaminated soil, removal of 5,000 gallons of contaminated water, placement of filter over local groundwater, back filling of excavation with remediated soil.

Carlsberg Management Company (1989-1995) - Independent owner's agent for fire protection citation response to LAFD and construction of tenant improvements for asbestos abatement and fire life safety rehabilitation of 10-story office building in West Los Angeles.

Owner's representative: work included selection and coordination of architect, mechanical, electrical, fire sprinkler, asbestos abatement/containment and industrial hygiene contractors and interface with the City of Los Angeles Building, Electrical and Structural Departments and Inspectors over a five-year period under occupied and vacant building conditions.

California Federal Bank (1993) - Phase I Environmental Assessments and Asbestos Inspections of commercial and residential buildings in Northern and Southern California.

Folger & Levin, Law Firm (1995) - "Environmental Risk Assessment" (ERA) for 3-acre parcel in West Los Angeles. Review of six environmental soil and groundwater studies, practical expansion of research and coordinated explanation of real environmental issues for use by commercial property appraiser.

State Farm Insurance Company (1995) - Asbestos expert for client negotiations.

Berger, Kahn, Shafton, Moss, Figler, Simon & Gladstone (1996/1997) - Asbestos expert witness.

Prestholt, Kleeger, Fidone & Villasenor (1996) - Asbestos expert witness.

S&S Commercial Environmental Services (1997 - Present) - Phase I Site Assessments and Miscellaneous Independent Project Management and General Engineering Contractor for soil and groundwater sampling and remediation leading to site closure letter from County and City Fire Departments, Health Departments and CA Regional Water Boards ranging from thousands to hundreds of thousands of dollars. Oil Well Re-abandonment.

Bank of America - Related - Phase I Environmental Assessments Southern California.

Wells Fargo Bank - Phase I Environmental Assessments and Asbestos Inspections in California for Standard and SBA backed RE property loans. (Successor To Wachovia Bank - SBA Division) Chase Bank - Phase I Site Assessments
First Foundation Bank - Phase I Environmental Site Assessments & Phase I Reviews, Phase II Site Investigations. California and Nevada
Standard Life Insurance Company - Phase I Site Assessments Metropolitan Life Insurance Company - Phase I Site Assessments Textron Financial - Heritage Golf Group - 127 Acre Golf Course Santa Clarita - Phase I Blue Green Preservation - Phase I and Phase II Site Assessments HUD Senior Housing California, Alabama, Tennessee, Arkansas
Miscellaneous Independent Cost Estimation for required remediation of contaminated sites with commercial and industrial property appraisers.

EDUCATION
B.S. Urban Environmental Management; Cal State University Dominguez Hills J.D. Candidate Classes in Torts, Contracts, Criminal Law, Legal Writing; Western State University, Southern California College of Law
Major Emphasis - Tort Theory and the implications to modern environmental contamination and clean-up problems.
"Low Risk Closure Guidelines" - California Regional Water Quality Board - Los Angeles Region Seminar June 1996.

Miscellaneous Classes provided by State Agencies in past twenty years and job site discussion regarding water quality standards and remediation with Regulators for Closure.

California Storm Water Association (CASQA - Member and participation as vendor representing OSORB as Absorb Concentrate & Eliminate (AC&E San Diego August 2012.

Member and participation as vendor representing ASRE (Advanced Stormwater Recovery & Engineering Garden Grove September 2014.

LICENSES
California A General Engineering Contractor, Hazardous Materials Certified California B General Building Contractor
California C-2 Contractors License, Asbestos
Certified California C-57 Water Well Driller
California Real Estate Broker
CA Life & Health Agent (former)
Current & Former

CERTIFICATIONS
Certified Asbestos Consultant (CAC, State of California EPA/AHERA Competent Person, Supervisor/ Management Planner/Project Designer Hazwhopper 48 Hour OSHA Certified Field Supervisor
Certified Professional Estimator (CPE) Lead Abatement Supervisor

REGISTRATIONS
Registered Environmental Assessor (REA)
Registered Property Manager (RPM)

AFFILIATIONS
American Society of Professional Estimators (ASPE)
California Society of Real Estate Appraisers
(CSOREA) American Institute of Plant Engineers
(AIPE)
California Society of Hospital Engineers
(CSHE) National Society of Power Engineers
(NSPE)
Kiwanis International, Greater Anaheim, CA (KIWANIS)

PUBLICATIONS
Industrial Real Estate Association Fall 1997 Newsletter, "The Environmental Report, To Close or Not To Close", 1997
Home Trader Publications, Copyright 1994 - Residential properties for sale or trade. American Numerous articles on asbestos in "Asbestos Issues", a nationally published magazine, and the "Los Angeles BOMA" magazine.

SEMINAR SPEAKER
IRS (Internal Revenue Service), "Discounted Value of Asbestos and Environmentally Affected Property"
CATL (CA Assoc of Thrift and Loans), "The Effect of Asbestos and Environmental Discounts on Loans"
American Society of Professional Estimators - "The Design and Estimate of an Asbestos Abatement Project"
Los Angeles Board of Realtors, "Asbestos in Homes and Property" (AIPE) American Institute of Plant Engineers, "Asbestos, History and Challenges" (CSHE) California Society of Hospital Engineers, "Asbestos, History and Challenges" (SCACEO)Southern California Association of Code Enforcement Officials "Single Room Occupancy Hotels, History and Modern Operations"

TRAINING CLASSES PRESENTED
8-hour Asbestos Awareness Class presented to:
* City of LA Fire Safety Inspectors
* Zurn Cosco Supervisors and Workers
* Grinnell Fire Protection Supervisors and Workers

EDUCATION VIDEOS
Installation of Fire Sprinkler Hangers within asbestos affected environments, 1986 SROs, The Myth and Reality, 1991

DEVELOPMENT DESIGN
General Partner - 210-unit Single Room Occupancy (SRO residential project in Anaheim, CA.

General Partner - 55-unit Single Room Occupancy (SRO residential project in Santa Ana, CA.

EMPLOYMENT HISTORY AND OWNERSHIP
S & S Commercial Environmental Services, Inc., ASRE, Inc. AC&E, Inc., Enviroprop, Home Trader Realty, Inc., Equity Funding Mortgage, NATEC International, Inc., McClelland Management Services, National Abatement Corporation, Med-Tox Consultants, Pacific Abatement Group, Asbestos

12.14 Environmental First Search Report
98 RecCheck Report Results
The Standard for ASTM/AAI Radius Searches
(One Mile Environmental Records Search, Exceeds ASTM 1527/1528 and EPA All Appropriate Inquiry) Site Location: Client:

Collier And Minthorn S&S Commercial Environmental Services, Inc.

Lake Elsinore , CA 92530
(N 33-40-55, W 117-19-49) NAD83
800-377-2430 www.RecCheck.com 2104787850
Copyright 2024 Environmental Record Search (ERS) All Rights Reserved

TABLE OF CONTENTS
EXECUTIVE SUMMARY 1
SUMMARY OF OCCURRENCES 3
POTENTIAL AREAS OF CONCERN/CONTAMINATION SUMMARY 9
DATABASE OCCURRENCE SUMMARY 9
SITE LOCATION TOPOGRAPHIC MAP 17
SITE LOCATION MAP 18
1-MILE RADIUS STREET MAP W/OCCURRENCES (MAP1) 19

0.25-MILE RADIUS STREET MAP W/OCCURRENCES (MAP2) 20

0.0625-MILE RADIUS STREET MAP W/ OCCURRENCES (MAP3) 21
1-MILE TOPOGRAPHIC MAP W/OCCURRENCES (MAP4) 22
AGENCY DIFFERENCES IN MAPPED LOCATIONS (MAP5) 23
SUMMARY OF AGENCY DIFFERENCES 24
MAPPED AIR PERMITS WITH POTENTIAL DISPERSION (MAP6) 25
LISTED OCCURRENCE DETAILS 26
RECORDS SOURCES SEARCHED 72
UN-MAPPABLE OCCURRENCES 86
DISCLAIMER, LIMITS AND LIABILITIES 87
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Copyright 2024 Environmental Record Search (ERS) All Rights Reserved

EXECUTIVE SUMMARY

INFORMATION ON THE REQUESTED LOCATION
Site Address: Collier And Minthorn
Lake Elsinore , CA 92530
Client Project Name/Number: 2104787850
Coordinates: N 33-40-55, W 117-19-49 (NAD 83)

33.681843, -117.330313
Date of Report October 29, 2024
ERS Project Number: 2104787850
Subject Site Listed on the
following lists:

Not Listed
Subject Site Listed as Map ID#: N/A
USGS 7.5 Minute Quad Map: Lake Elsinore (Date Unavailable) Subject Site Located within a
Potential Area of Concern:

No
Township, Section and Range: Township: 06S Range: 04W Section: 06 Baseline: San Bernardino
Site Elevation:
(feet above or below (-) mean sea
level)
1282
Flood Zone:
(Digital Flood Insurance Rate
Maps - DFIRMs)
Only available digital data is provided
Panel: 06065C2037G, Effective Date: 8/28/2008
Zone X - Area of minimal flood hazard, usually depicted on FIRMs as above the 500- year flood level.

Fire Insurance Map Coverage: No
Radon Information: EPA Radon Zone: 2 (Predicted avg for county: 2 to 4 pCi/L) Search Radius Expansion Size:
(In Miles)
0 800-377-2430 www.RecCheck.com Page 1 2104787850
Copyright 2024 Environmental Record Search (ERS) All Rights Reserved

Soil Type:
(USDA Soil Survey Geographic
Database) (SSURGO)
Map Unit Name: Arbuckle gravelly loam, 15 to 25 percent slopes Map Unit Type: Consociation
Drainage Class - Dominant Condition: Well drained
General Information: Fine-loamy, mixed, thermic Typic Haploxeralfs Top 3 Map Unit Components are below (if available):

Component Name: Garretson, Cortina, Arbuckle
Component Percentage: 5%, 5%, 85%
Hydric: No, No, No
Zip Codes Searched for
“Un-Mappable” Sites:

Not Researched
Occurrence Count:
66 800-377-2430 www.RecCheck.com Page 2 2104787850
Copyright 2024 Environmental Record Search (ERS) All Rights Reserved

SUMMARY OF OCCURRENCES

MAP ID ID/SITE NAME ADDRESS DATABASE STATUS DISTANCE
(MILES)
ELEV
DIFF
(FEET)
1 214479 Not Reported by CRSP-CA Listed 0.05 SE -6
Maps: LAIDLAW TRANSIT Agency
1, 2, 3,
4 2
Maps:
1, 2, 3,
4 124616-SC

EASTERN

MUNICIPAL

WATER DISTRICT
866 MINTHORN ST

LAKE ELSINORE
AIR-DIST-CA Listed 0.05 SW -5
3 77669-SC 609 MINTHORN ST AIR-DIST-CA Listed 0.06 W -4 Maps: M & J AUTO & LAKE ELSINORE
1, 2, 3, BODY
4 3 110065082234 609 W MINTHORN FRS-US Listed 0.06 W -4 Maps: LAIDLAW TRANSIT ST
1, 2, 3, LAKE ELSINORE
4 3 110070474323 609 W MINTHORN FRS-US Listed 0.06 W -4 Maps: STEVES TOWING ST
1, 2, 3, INC LAKE ELSINORE
4 3 235566 609 MINTHORN Hist-LUSTIS-CA Listed 0.06 W -4 Maps: LAIDLAW TRANSIT STREET, WEST
1, 2, 3, LAKE ELSINORE
4 3 235566 609 MINTHORN Hist-Regional-UST- Listed 0.06 W -4 Maps: LAIDLAW TRANSIT STREET WEST CA
1, 2, 3, LAKE ELSINORE
4 3
Maps:
1, 2, 3,
4 214068
ARA

TRANSPORTATIO
N INC
609 MINTHORN AVE

LAKE ELSINORE
Hist-UST-CA Listed 0.06 W -4
3 244271 609 MINTHORN Hist-UST-CA Listed 0.06 W -4
Maps: LAIDLAW TRANSIT LAKE ELSINORE
1, 2, 3, / ELSINORE DIV
4 3
Maps:
1, 2, 3,
4 54FDFFFACAL000337032

STEVE'S TOWING
INC
609 W MINTHORN
ST

LAKE ELSINORE
HWIS-CA No Longer
Listed

0.06 W -4
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Copyright 2024 Environmental Record Search (ERS) All Rights Reserved

MAP ID ID/SITE NAME ADDRESS DATABASE STATUS DISTANCE
(MILES)
ELEV
DIFF
(FEET)
3 Maps:
1, 2, 3,
4 CAL000337032

STEVE'S TOWING
INC
609 W MINTHORN
ST

LAKE ELSINORE
HWIS-CA No Longer
Listed

0.06 W -4
3 Maps:
1, 2, 3,
4 T0606500097

LAIDLAW TRANSIT
609 W MINTHORN
ST

LAKE ELSINORE
LUST-Closed-CA COMPLETED -
CASE
CLOSED

0.06 W -4
3 Maps:
1, 2, 3,
4 CAL000337032

STEVE'S TOWING
INC
609 W MINTHORN
ST

LAKE ELSINORE
RCRA-NON-US Listed 0.06 W -4
3 Maps:
1, 2, 3,
4 CAD982317299

ZIEMBAS AUTO
609 MINTHORN

LAKE ELSINORE
RCRA-SQG-US Listed 0.06 W -4
4 Maps:
1, 2, 4
265854
Lake Elsinore Outlet
Channel
Maintenance Project
Not Reported by
Agency
CRSP-CA Listed 0.07 SW -8
5 Maps:
1, 2, 4
36895-SC

THERMAL

ELECTRONICS INC
403 MINTHORN

LAKE ELSINORE
AIR-DIST-CA Listed 0.08 S -9
5 Maps:
1, 2, 4
CAD052663085

THERMAL

ELECTRONICS,
INC
403 W Minthorn St
Lake Elsinore
RCRA-NON-US Listed 0.08 S -9
6 Maps:
1, 2, 4
338019
Temescal Creek
Outfall
Not Reported by
Agency
ENF-Wastewater-CA Historical 0.09 SW -6
6 Maps:
1, 2, 4
221849
Temescal Creek
Outfall
Not Reported by
Agency
ENF-Wastewater-CA Historical 0.09 SW -6
6 Maps:
1, 2, 4
253277
Temescal Creek
Outfall
Not Reported by
Agency
ENF-Wastewater-CA Historical 0.09 SW -6
6 Maps:
1, 2, 4
251510
Temescal Creek
Outfall
Not Reported by
Agency
ENF-Wastewater-CA Historical 0.09 SW -6
6 Maps:
1, 2, 4
74331
Temescal Creek
Outfall
Not Reported by
Agency
CRSP-CA Listed 0.09 SW -6
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Copyright 2024 Environmental Record Search (ERS) All Rights Reserved

MAP ID ID/SITE NAME ADDRESS DATABASE STATUS DISTANCE
(MILES)
ELEV
DIFF
(FEET)
7 Maps:
1, 2, 4
CAC003030691
NET

DEVELOPMENT
CO.
311 W Minthorn St
Lake Elsinore
RCRA-NON-US Listed 0.1 S -12
7 Maps:
1, 2, 4
CAR000284208

ABEL'S AUTO

REPAIR LLC
311 W Minthorn St Ste
4 Lake Elsinore
RCRA-SQG-US Listed 0.1 S -12
8 Maps:
1, 2, 4
319242
Lake Elsinore
Inflatable Dam
Installation
Not Reported by
Agency
CRSP-CA Listed 0.15 W -8
9 Maps:
1, 2, 4
61661
Rightway Portable
Toilets
Not Reported by
Agency
CRSP-CA Listed 0.16 NW -1
10 Maps:
1, 2, 4
28303
EMWD Reach 4
Dissipitation Facility
Not Reported by
Agency
CRSP-CA Listed 0.17 SE -15
11 Maps:
1, 2, 4
5607-RSD
EMWD Reach 4
Dissipitation Facility
636 Minthorn St
Lake Elsinore
County-Others-CA Listed 0.17 SE -16
12 Maps:
1, 2, 4
66761-RSD
Rightway Portable
Toilets
653 W Minthorn St
Lake Elsinore
County-Others-CA Listed 0.17 NW -3
12 Maps:
1, 2, 4
5713-RSD
Rightway Portable
Toilets
653 W Minthorn St
Lake Elsinore
County-Others-CA Listed 0.17 NW -3
12 Maps:
1, 2, 4
55715

RIGHTWAY

PORTABLE

TOILETS
653 W MINTHORN
ST

LAKE ELSINORE
ENF-CA Listed 0.17 NW -3
12 Maps:
1, 2, 4
1293320

RIGHTWAY

PORTABLE

TOILETS
653 MINTHORN

STREET, WEST

LAKE ELSINORE
Hist-LUSTIS-CA Listed 0.17 NW -3
12 Maps:
1, 2, 4
1293320

RIGHTWAY

PORTABLE

TOILETS
653 MINTHORN

STREET WEST

LAKE ELSINORE
Hist-Regional-USTCAListed 0.17 NW -3
12 Maps:
1, 2, 4
260446

RIGHTWAY
653 W MINTHORN

LAKE ELSINORE
Hist-UST-CA Listed 0.17 NW -3
12 Maps:
1, 2, 4
79 RIGHTWAY
653 W MINTHORN

LAKE ELSINOR
HWT-CA Listed 0.17 NW -3
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Copyright 2024 Environmental Record Search (ERS) All Rights Reserved

MAP ID ID/SITE NAME ADDRESS DATABASE STATUS DISTANCE
(MILES)
ELEV
DIFF
(FEET)
12 Maps:
1, 2, 4
T0606500035

RIGHTWAY

PORTABLE

TOILETS
653 W MINTHORN
ST

LAKE ELSINORE
LUST-Closed-CA COMPLETED -
CASE
CLOSED

0.17 NW -3
12 Maps:
1, 2, 4
CAD092259407

RIGHTWAY
653 W MINTHORN

LAKE ELSINORE
RCRA-NON-US Listed 0.17 NW -3
12 Maps:
1, 2, 4
CAL000059230

RIGHTWAY
653 W MINTHORN
ST

LAKE ELSINORE
RCRA-NON-US Listed 0.17 NW -3
13 Maps:
1, 2, 4
112507
Douglas Technology
Group Inc
Not Reported by
Agency
CRSP-CA Listed 0.18 NW -4
14 Maps:
1, 2, 4
218756

BUTTERFIELD

SUPVEYS INC
18740 Collier Ave
Lake Elsinore
Hist-UST-CA Listed 0.2 NW 5
14 Maps:
1, 2, 4
3193660

BUTTERFIELD

SURVEYS INC
18740 Collier Ave
Lake Elsinore
Hist-USTReg-CA Listed 0.2 NW 5
15 Maps:
1, 2, 4
10578097
SoCal RV Doctor
29910 Ohana Cir #
102
Lake Elsinore
CERS-CA Listed 0.22 NE 36
15 Maps:
1, 2, 4
5722-RSD
SoCal RV Doctor
29910 Ohana Cir
#102
Lake Elsinore
County-Others-CA Listed 0.22 NE 36
15 Maps:
1, 2, 4
5708-RSD
Precision Sports Inc
29910 Ohana Cir
Lake Elsinore
County-Others-CA Listed 0.22 NE 36
15 Maps:
1, 2, 4
66773-RSD
SoCal RV Doctor
29910 Ohana Cir
#102
Lake Elsinore
County-Others-CA Listed 0.22 NE 36
15 Maps:
1, 2, 4
66758-RSD
Precision Sports Inc
29910 Ohana Cir
Lake Elsinore
County-Others-CA Listed 0.22 NE 36
15 Maps:
1, 2, 4
19908

LABEDA WHEELS
29910 Ohana Cir
Lake Elsinore
Hist-Auto Repair Listed 0.22 NE 36
15 Maps:
1, 2, 4
CAL000129258

PRECISION
SPORTS
29910 Ohana Cir
Lake Elsinore
RCRA-NON-US Listed 0.22 NE 36
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Copyright 2024 Environmental Record Search (ERS) All Rights Reserved

MAP ID ID/SITE NAME ADDRESS DATABASE STATUS DISTANCE
(MILES)
ELEV
DIFF
(FEET)
15 Maps:
1, 2, 4
CAL000366697

TEAM LABEDA

TEST FACILITY

LLC DBA SOCAL

RV DOCTOR
29910 Ohana Cir Ste
102
Lake Elsinore
RCRA-NON-US Listed 0.22 NE 36
15 Maps:
1, 2, 4
402422
SoCal RV Doctor
Not Reported by
Agency
CRSP-CA Listed 0.22 NE 36
15 Maps:
1, 2, 4
58562
Precision Sports Inc
Not Reported by
Agency
CRSP-CA Listed 0.22 NE 36
16 Maps:
1, 2, 4
184414
Deleo Clay Tile Co
Inc
Not Reported by
Agency
CRSP-CA Listed 0.24 NW -1
17 Maps:
1, 2, 4
118612-SC
J S

TECHNOLOGIES

INC, JOHN SUHN,
DBA
18650 COLLIER AVE
UNIT A

LAKE ELSINORE
AIR-DIST-CA Listed 0.24 NW 4
17 Maps:
1, 2, 4
2260
Comm Bldg,Lake
Elsinore
18650 Collier
Elsinore
WDR-CA Listed 0.24 NW 4
18 Maps:
1, 2, 4
5595-RSD
Deleo Clay Tile Co
Inc.
600 Chaney St
Lake Elsinore
County-Others-CA Listed 0.25 NW 0
18 Maps:
1, 2, 4
66698-RSD
Deleo Clay Tile Co
Inc.
600 Chaney St
Lake Elsinore
County-Others-CA Listed 0.25 NW 0
18 Maps:
1, 2, 4
411564
Deleo Clay Tile Co
600 CHANEY ST
Lake Elsinore
ENF-SMARTS-CA Historical 0.25 NW 0
18 Maps:
1, 2, 4
232632
Deleo Clay Tile Co
600 CHANEY ST
Lake Elsinore
ENF-SMARTS-CA Historical 0.25 NW 0
18 Maps:
1, 2, 4
233686
Deleo Clay Tile Co
600 CHANEY ST
Lake Elsinore
ENF-SMARTS-CA Historical 0.25 NW 0
18 Maps:
1, 2, 4
400585
Deleo Clay Tile Co
600 CHANEY ST
Lake Elsinore
ENF-SMARTS-CA Active 0.25 NW 0
19 Maps:
1, 4
94051-RSD
Redman Property
520 Riley St
Lake Elsinore
County-LUST-CA Listed 0.37 SE -7
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Copyright 2024 Environmental Record Search (ERS) All Rights Reserved

MAP ID ID/SITE NAME ADDRESS DATABASE STATUS DISTANCE
(MILES)
ELEV
DIFF
(FEET)
19 Maps:
1, 4
T0606500134
REDMAN

PROPERTY
520 N Riley St
Lake Elsinore
LUST-Closed-CA COMPLETED -
CASE
CLOSED

0.37 SE -7
20 Maps:
1, 4
88062-RSD
City Yard
521 N Langstaff St
Lake Elsinore
County-LUSTClosed-CAClosed 0.39 S -8
20 Maps:
1, 4
T0606500084

CITY YARD
521 N Langstaff St
Lake Elsinore
LUST-Closed-CA COMPLETED -
CASE
CLOSED

0.39 S -8
21 Maps:
1, 4
2488
Elsinore Valley
Cemetary Dist
18170 Collier Ave
Lake Elsinore
SWIS-CA Listed 0.39 NW 4
22 Maps:
1, 4
91081-RSD
Big Al Oil Co
501 N Spring St
Lake Elsinore
County-LUSTClosed-CAClosed 0.49 SE -5
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Copyright 2024 Environmental Record Search (ERS) All Rights Reserved

POTENTIAL AREAS OF CONCERN/CONTAMINATION SUMMARY

DATABASE SEARCHED

SUBJECT SITE WITHIN

POTENTIAL AREA OF

CONCERN
AREAS FOUND WITHIN 1-

MILE RADIUS
MethaneLF-CA No 0
LA-LF-CA No 0
Military-Bases-US No 0
SGV-Deep-Plumes-CA No 0
SGV-Shallow-Plumes-PuenteValley-CANo 0
SGV-Shallow-Plumes-CA No 0
NPL-Boundaries-US No 0

DATABASE OCCURRENCE SUMMARY
HIGH RISK* OCCURRENCES IDENTIFIED IN REQUESTED SEARCH RADIUS

DATABASE SEARCHED

DISTANCE SEARCHED
(MILES)

HIGH RISK

OCCURRENCES FOUND
CorAct-Open-CA 0.5 0
County-LUST-Open-CA 0.5 0
County-SLIC-Open-CA 0.5 0
Eval-Hist-Active-CA 0.5 0
Hist-UST-Cleanup-CA 0.5 0
LUST-Open-CA 0.5 0
Military-Active-CA 1 0
NPL-Proposed-US 1 0
NPL-US 1 0
Response-CA 1 0
SAA-Agreements-US 1 0
School-Active-CA 0.5 0
SCP-Open-CA 0.5 0
SEMS-Active-US 0.5 0
State-Response-Active-CA 1 0
Superfund-Active-CA 1 0
Tribal-LUST-Open-US 0.5 0
VCP-Active-CA 0.5 0
* For the purposes of this report, “high risk” occurrences are those that have known contamination and have not received a “case closed” or “no further action” status from the agency that maintains the records.

ASTM/AAI STANDARD RECORD SOURCES SUMMARY

STANDARD ENVIRONMENTAL

RECORD SOURCES
ASTM MIN.

SEARCH DIST.
/ ERS
SEARCH DIST.
(MILES)

ERS DATABASE
NAME
TOTAL LISTINGS MAP ID #’S
Federal NPL site list 1.0 / 1.0 NPL-Proposed-US 0 None Listed NPL-US 0 None Listed
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Copyright 2024 Environmental Record Search (ERS) All Rights Reserved

Federal Delisted NPL site list 0.5 / 1.0 NPL-Delisted-US 0 None Listed Federal CERCLIS list 0.5 / 0.5 SEMS-Active-US 0 None Listed Federal CERCLIS NFRAP site
list

0.5 / 0.5 SEMS-Archived-US 0 None Listed
Federal RCRA CORRACTS
facilities list

1.0 / 1.0 RCRA-COR-US 0 None Listed
Federal RCRA non-CORRACTS
TSD facilities list

0.5 / 0.5 RCRA-TSDF-US 0 None Listed
Federal RCRA generators list Property
and
adjoining
properties /

0.25 RCRA-CESQG-US 0 None Listed
RCRA-LQG-US 0 None Listed
RCRA-NON-US 7 3, 5, 7, 12, 12,
15, 15
RCRA-SQG-US 2 3, 7
Federal Inst/Eng control
registries
Property
Only / 0.25
Controls-RCRA-US 0 None Listed
Controls-US 0 None Listed
Hist-US-EC 0 None Listed
Hist-US-IC 0 None Listed
LIENS-US 0 None Listed
Federal ERNS list Property
Only /

0.0625
ERNS-US 0 None Listed
State and Tribal-Equivalent NPL 1.0 / 1.0 Response-CA 0 None Listed State-ResponseActive-CA0 None Listed
State-Response-NFACA0 None Listed
State-ResponseOther-CA0 None Listed
State and Tribal-Equivalent

CERCLIS

0.5 / 0.5 Superfund-Active-CA 0 None Listed
Superfund-NFA-CA 0 None Listed
Superfund-Other-CA 0 None Listed
State and Tribal landfill and/or
solid waste disposal sites

0.5 / 0.5 County-SWF-CA 0 None Listed
Debris-Reg9-US 0 None Listed
Hist-Dumps-US 0 None Listed
Land-Disposal-CA 0 None Listed
SWIS-CA 1 21
SWLF-US 0 None Listed
Tribal-ODI-US 0 None Listed
State and Tribal Leaking Storage
Tank Lists

0.5 / 0.5 County-LUST-CA 1 19
County-LUST-ClosedCA2 20, 22
County-LUST-OpenCA0 None Listed
Hist-UST-Cleanup-CA 0 None Listed
LUST-Closed-CA 4 3, 12, 19, 20
LUST-Open-CA 0 None Listed
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Tribal-LUST-ClosedUS0 None Listed
Tribal-LUST-Open-US 0 None Listed
State and Tribal Registered
Storage Tank Lists
Property
and
adjoining
properties /

0.25 AST-CA 0 None Listed
City-AST-CA 0 None Listed
City-UST-CA 0 None Listed
County-AST-CA 0 None Listed
County-UST-CA 0 None Listed
FEMA-UST-US 0 None Listed
Hist-AST2-CA 0 None Listed
Hist-UST-CA 4 3, 3, 12, 14
Military-UST-CA 0 None Listed
Tribal-LUST-Open-US 0 None Listed
UST-AbandonedCOMP-CA0 None Listed
UST-AbandonedNCOMP-CA0 None Listed
UST-CA 0 None Listed
UST-Closed-CA 0 None Listed
UST-Priority-CA 0 None Listed
UST-Proposed-CA 0 None Listed
State and Tribal Inst/Eng Control
Registries
Property
Only / 0.5
Controls-CA 0 None Listed
Deed-CA 0 None Listed
Hist-Controls-CA 0 None Listed
HWMP-Controls-CA 0 None Listed
Liens-CA 0 None Listed
State and Tribal Voluntary
Cleanup Sites

0.5 / 0.5 Military-Active-CA 0 None Listed
Military-NFA-CA 0 None Listed
Military-Other-CA 0 None Listed
School-Active-CA 0 None Listed
School-NFA-CA 0 None Listed
School-Other-CA 0 None Listed
VCP-Active-CA 0 None Listed
VCP-NFA-CA 0 None Listed
VCP-Other-CA 0 None Listed
State and Tribal Brownfield Sites 0.5 / 0.5 BF-MOA-CA 0 None Listed BF-Tribal-US 0 None Listed

FEDERAL ASTM/AAI DATABASES

DATABASE SEARCHED DISTANCE

SEARCHED

SUBJECT
SITE

0.125
MILES

0.25 MILES

0.5 MILES

1.0 MILES TOTAL
BF-Tribal-US 0.5 0 0 0 0 - 0
BF-US 0.5 0 0 0 0 - 0
Controls-RCRA-US 0.5 0 0 0 0 - 0
Controls-US 0.5 0 0 0 0 - 0
Debris-Reg9-US 0.5 0 0 0 0 - 0
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Copyright 2024 Environmental Record Search (ERS) All Rights Reserved

FEDERAL ASTM/AAI DATABASES

DATABASE SEARCHED DISTANCE

SEARCHED

SUBJECT
SITE

0.125
MILES

0.25 MILES

0.5 MILES

1.0 MILES TOTAL
ERNS-US 0.0625 0 0 - - - 0
FTTS-ENF-US 0.25 0 0 0 - - 0
Hist-Dumps-US 0.5 0 0 0 0 - 0
Hist-FEMA-UST-US 0.25 0 0 0 - - 0
Hist-US-EC 0.5 0 0 0 0 - 0
Hist-US-IC 0.5 0 0 0 0 - 0
HMIS-US 0.0625 0 0 - - - 0
LIENS-US 0.0625 0 0 - - - 0
NPL-Delisted-US 1 0 0 0 0 0 0
NPL-Proposed-US 1 0 0 0 0 0 0
NPL-US 1 0 0 0 0 0 0
PADS-US 0.0625 0 0 - - - 0
PCB-US 0.25 0 0 0 - - 0
RCRA-CESQG-US 0.25 0 0 0 - - 0
RCRA-COR-US 1 0 0 0 0 0 0
RCRA-LQG-US 0.25 0 0 0 - - 0
RCRA-NON-US 0.25 0 3 4 - - 7
RCRA-SQG-US 0.25 0 2 0 - - 2
RCRA-TSDF-US 0.5 0 0 0 0 - 0
SAA-Agreements-US 1 0 0 0 0 0 0
SEMS-Active-US 0.5 0 0 0 0 - 0
SEMS-Archived-US 0.5 0 0 0 0 - 0
SWLF-US 0.5 0 0 0 0 - 0
Tribal-LUST-Closed-US 0.5 0 0 0 0 - 0
Tribal-LUST-Open-US 0.5 0 0 0 0 - 0
Tribal-ODL-US 0.5 0 0 0 0 - 0
Tribal-UST-US 0.25 0 0 0 - - 0

STATE ASTM/AAI DATABASES

DATABASE SEARCHED DISTANCE

SEARCHED

SUBJECT
SITE

0.125
MILES

0.25 MILES

0.5 MILES

1.0 MILES TOTAL
AST-CA 0.25 0 0 0 - - 0
BF-MOA-CA 0.5 0 0 0 0 - 0
BZ-HazWaste-CA 0.5 0 0 0 0 - 0
CERS-CA 0.25 0 0 1 - - 1
CHMIRS-CA 0.0625 0 0 - - - 0
City-AST-CA 0.25 0 0 0 - - 0
City-CUPA-CA 0.25 0 0 0 - - 0
City-Others-CA 0.25 0 0 0 - - 0
City-UST-CA 0.25 0 0 0 - - 0
Controls-CA 0.5 0 0 0 0 - 0
CorAct-Closed-CA 0.5 0 0 0 0 - 0
CorAct-Open-CA 0.5 0 0 0 0 - 0
CorAct-Other-CA 0.5 0 0 0 0 - 0
CORTESE-CA 0.25 0 0 0 - - 0
County-AST-CA 0.25 0 0 0 - - 0
County-Hist-CA 0.25 0 0 0 - - 0
County-LUST-CA 0.5 0 0 0 1 - 1
County-LUST-Closed-CA 0.5 0 0 0 2 - 2
County-LUST-Open-CA 0.5 0 0 0 0 - 0
County-Others-CA 0.25 0 0 9 - - 9
County-SLIC-Closed-CA 0.25 0 0 0 - - 0
County-SLIC-Open-CA 0.5 0 0 0 0 - 0
800-377-2430 www.RecCheck.com Page 12 2104787850
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STATE ASTM/AAI DATABASES

DATABASE SEARCHED DISTANCE

SEARCHED

SUBJECT
SITE

0.125
MILES

0.25 MILES

0.5 MILES

1.0 MILES TOTAL
County-SML-CA 0.5 0 0 0 0 - 0
County-SWF-CA 0.5 0 0 0 0 - 0
County-UST-CA 0.25 0 0 0 - - 0
CRSP-CA 0.25 0 3 7 - - 10
CUPA-CA 0.25 0 0 0 - - 0
Deed-CA 0.5 0 0 0 0 - 0
ENF-CA 0.25 0 0 1 - - 1
ENF-SMARTS-CA 0.25 0 0 4 - - 4
ENF-Wastewater-CA 0.25 0 4 0 - - 4
Eval-Hist-Active-CA 0.5 0 0 0 0 - 0
Eval-Hist-NFA-CA 0.5 0 0 0 0 - 0
Eval-Hist-Other-CA 0.5 0 0 0 0 - 0
HazWaste-CA 0.25 0 0 0 - - 0
Hist-AST2-CA 0.25 0 0 0 - - 0
Hist-Controls-CA 0.5 0 0 0 0 - 0
Hist-Cort-CA 0.25 0 0 0 - - 0
HIST-R4-CA 0.25 0 0 0 - - 0
HIST-SLIC-CV-CLOSED-CA 0.5 0 0 0 0 - 0
HIST-SLIC-CV-OPEN-CA 0.5 0 0 0 0 - 0
Hist-UST-CA 0.25 0 2 2 - - 4
Hist-UST-Cleanup-CA 0.5 0 0 0 0 - 0
Hist-WIP-Active-CA 0.5 0 0 0 0 - 0
Hist-WIP-Backlog-CA 0.5 0 0 0 0 - 0
Hist-WIP-Historical-CA 0.5 0 0 0 0 - 0
HWIS-CA 0.0625 0 2 - - - 2
HWMP-Controls-CA 0.5 0 0 0 0 - 0
ICE-CA 0.25 0 0 0 - - 0
Land-Disposal-CA 0.5 0 0 0 0 - 0
Liens-CA 0.0625 0 0 - - - 0
LUST-Closed-CA 0.5 0 1 1 2 - 4
LUST-Open-CA 0.5 0 0 0 0 - 0
Manifest2-RI 0.0625 0 0 - - - 0
Military-Active-CA 1 0 0 0 0 0 0
Military-NFA-CA 1 0 0 0 0 0 0
Military-Other-CA 1 0 0 0 0 0 0
Military-UST-CA 0.25 0 0 0 - - 0
PR-MOA-CA 0.25 0 0 0 - - 0
Response-CA 1 0 0 0 0 0 0
School-Active-CA 0.5 0 0 0 0 - 0
School-NFA-CA 0.5 0 0 0 0 - 0
School-Other-CA 0.5 0 0 0 0 - 0
SCP-Closed-CA 0.5 0 0 0 0 - 0
SCP-Open-CA 0.5 0 0 0 0 - 0
SML-CA 0.5 0 0 0 0 - 0
State-Response-Active-CA 1 0 0 0 0 0 0
State-Response-NFA-CA 0.5 0 0 0 0 - 0
State-Response-Other-CA 0.5 0 0 0 0 - 0
Superfund-Active-CA 1 0 0 0 0 0 0
Superfund-NFA-CA 1 0 0 0 0 0 0
Superfund-Other-CA 1 0 0 0 0 0 0
SWIS-CA 0.5 0 0 0 1 - 1
SWRCY-CA 0.5 0 0 0 0 - 0
UST-Abandoned-COMP-CA 0.25 0 0 0 - - 0
UST-Abandoned-NCOMP-CA 0.25 0 0 0 - - 0
UST-CA 0.25 0 0 0 - - 0
800-377-2430 www.RecCheck.com Page 13 2104787850
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STATE ASTM/AAI DATABASES

DATABASE SEARCHED DISTANCE

SEARCHED

SUBJECT
SITE

0.125
MILES

0.25 MILES

0.5 MILES

1.0 MILES TOTAL
UST-Closed-CA 0.25 0 0 0 - - 0
UST-Priority-CA 0.5 0 0 0 0 - 0
UST-Proposed-CA 0.25 0 0 0 - - 0
VCP-Active-CA 0.5 0 0 0 0 - 0
VCP-NFA-CA 0.5 0 0 0 0 - 0
VCP-Other-CA 0.5 0 0 0 0 - 0

SUPPLEMENTAL DATABASES

DATABASE SEARCHED DISTANCE

SEARCHED

SUBJECT
SITE

0.125
MILES

0.25 MILES

0.5 MILES

1.0 MILES TOTAL
Air-CA 0.25 0 0 0 - - 0
AIR-DIST-CA 0.25 0 3 1 - - 4
BioFuel-US 0.25 0 0 0 - - 0
CAF-CA 0.25 0 0 0 - - 0
CDL-CA 0.0625 0 0 - - - 0
CDL-US 0.0625 0 0 - - - 0
CHWF-CA 0.5 0 0 0 0 - 0
Cleaners-CA 0.25 0 0 0 - - 0
Coal-Ash-Dams-US 0.5 0 0 0 0 - 0
County-BI-CA 0.25 0 0 0 - - 0
Dams-CA 0.25 0 0 0 - - 0
DPR-CA 0.25 0 0 0 - - 0
DryCleaners-CA 0.25 0 0 0 - - 0
EGRID-US 0.5 0 0 0 0 - 0
EPA-Watch-List-US 0.25 0 0 0 - - 0
FA-HW-CA 0.0625 0 0 - - - 0
FA-HW-US 0.0625 0 0 - - - 0
FA-SWF-CA 0.0625 0 0 - - - 0
FRS-US 0.0625 0 2 - - - 2
FTTS-INSP-US 0.0625 0 0 - - - 0
FUDS-US 1 0 0 0 0 0 0
FUSRAP-US 0.25 0 0 0 - - 0
Haulers-CA 0.0625 0 0 - - - 0
Hist-AFS2-US 0.25 0 0 0 - - 0
Hist-AFS-US 0.25 0 0 0 - - 0
Hist-AST-CA 0.25 0 0 0 - - 0
Hist-AWS-CA 0.25 0 0 0 - - 0
Hist-CA 0.0625 0 0 - - - 0
Hist-CalFID-CA 0.25 0 0 0 - - 0
Hist-CALSITES-CA 0.25 0 0 0 - - 0
Hist-CERCLIS-NFRAP-US 0.25 0 0 0 - - 0
Hist-CERCLIS-US 0.25 0 0 0 - - 0
Hist-City-UST-CA 0.25 0 0 0 - - 0
Hist-Deed-CA 0.25 0 0 0 - - 0
Hist-DTG-CA 0.25 0 0 0 - - 0
Hist-ERNS-US 0.0625 0 0 - - - 0
Hist-FIFRA-US 0.25 0 0 0 - - 0
Hist-FINDS-US 0.0625 0 0 - - - 0
Hist-HWS-CA 0.25 0 0 0 - - 0
Hist-LUSTIS-CA 0.25 0 1 1 - - 2
HIST-MLTS-US 0.25 0 0 0 - - 0
HIST-MTBE-CA 0.25 0 0 0 - - 0
Hist-NPL-US 0.25 0 0 0 - - 0
800-377-2430 www.RecCheck.com Page 14 2104787850
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SUPPLEMENTAL DATABASES

DATABASE SEARCHED DISTANCE

SEARCHED

SUBJECT
SITE

0.125
MILES

0.25 MILES

0.5 MILES

1.0 MILES TOTAL
Hist-Orange-County-LF-CA 0.25 0 0 0 - - 0
Historical-CA 0.5 0 0 0 0 - 0
Hist-Prop65-CA 0.25 0 0 0 - - 0
Hist-RCRIS-US 0.25 0 0 0 - - 0
Hist-Regional-LUST-CA 0.25 0 0 0 - - 0
Hist-Regional-Other-CA 0.25 0 0 0 - - 0
Hist-Regional-SLIC-CA 0.25 0 0 0 - - 0
Hist-Regional-Spills-CA 0.25 0 0 0 - - 0
Hist-Regional-SWLF-CA 0.25 0 0 0 - - 0
Hist-Regional-UST-CA 0.25 0 1 1 - - 2
Hist-SCL-CA 0.25 0 0 0 - - 0
Hist-SWIS-CA 0.25 0 0 0 - - 0
Hist-ToxicPits-CA 0.25 0 0 0 - - 0
Hist-TRIS-US 0.25 0 0 0 - - 0
Hist-US 0.0625 0 0 - - - 0
Hist-USGS-WaterWells-CA 0.0625 0 0 - - - 0
Hist-USTReg-CA 0.25 0 0 1 - - 1
Hist-WaterWells-US 0.0625 0 0 - - - 0
Hist-WMUDS-CA 0.25 0 0 0 - - 0
HWT-CA 0.25 0 0 1 - - 1
ICIS-Air-US 0.0625 0 0 - - - 0
ICIS-FEC-US 0.0625 0 0 - - - 0
ICIS-NPDES-US 0.0625 0 0 - - - 0
LA-Waste-Haulers-CA 0.0625 0 0 - - - 0
Lead-Smelter-2-US 0.25 0 0 0 - - 0
Lead-US 0.25 0 0 0 - - 0
LMOP-US 0.5 0 0 0 0 - 0
Mines2-CA 0.0625 0 0 - - - 0
Mines-CA 0.0625 0 0 - - - 0
Mines-CDMG-CA 0.0625 0 0 - - - 0
MINES-US 0.0625 0 0 - - - 0
MLTS-US 0.0625 0 0 - - - 0
Mortgage-CA 0.25 0 0 0 - - 0
MRDS-US 0.25 0 0 0 - - 0
MWMP-CA 0.25 0 0 0 - - 0
NCI-CA 0.25 0 0 0 - - 0
NEI-LF-CA 0.25 0 0 0 - - 0
NPDES-CA 0.0625 0 0 - - - 0
NPDES-SW-CA 0.0625 0 0 - - - 0
OGM-CA 0.0625 0 0 - - - 0
OGW-CA 0.0625 0 0 - - - 0
OSCF-CA 0.5 0 0 0 0 - 0
PCS-US 0.25 0 0 0 - - 0
Perch1-CA 0.25 0 0 0 - - 0
Perch2-CA 0.25 0 0 0 - - 0
Project-CA 0.25 0 0 0 - - 0
RADINFO-US 0.0625 0 0 - - - 0
RFG-Lab-US 0.25 0 0 0 - - 0
RMP-US 0.0625 0 0 - - - 0
ROD-US 0.5 0 0 0 0 - 0
SDWIS-US 0.25 0 0 0 - - 0
SP-CA 0.25 0 0 0 - - 0
Spills-SSO-CA 0.0625 0 0 - - - 0
SSTS-US 0.0625 0 0 - - - 0
TierPer-CA 0.25 0 0 0 - - 0
800-377-2430 www.RecCheck.com Page 15 2104787850
Copyright 2024 Environmental Record Search (ERS) All Rights Reserved

SUPPLEMENTAL DATABASES

DATABASE SEARCHED DISTANCE

SEARCHED

SUBJECT
SITE

0.125
MILES

0.25 MILES

0.5 MILES

1.0 MILES TOTAL
TOMS-CA 0.0625 0 0 - - - 0
Tribal-Air-US 0.25 0 0 0 - - 0
Tribal-VCP-US 0.5 0 0 0 0 - 0
TRIS2000-US 0.0625 0 0 - - - 0
TRIS2010-US 0.0625 0 0 - - - 0
TRIS80-US 0.0625 0 0 - - - 0
TRIS90-US 0.0625 0 0 - - - 0
TSCA-US 0.0625 0 0 - - - 0
UIC2-CA 0.0625 0 0 - - - 0
UIC-CA 0.0625 0 0 - - - 0
UMTRA-US 0.0625 0 0 - - - 0
USGS-Waterwells-US 0.0625 0 0 - - - 0
Vapor-Intrusions-US 0.5 0 0 0 0 - 0
WDR-CA 0.25 0 0 1 - - 1

PROPRIETARY HISTORIC DATABASES

DATABASE SEARCHED DISTANCE

SEARCHED

SUBJECT
SITE

0.125
MILES

0.25 MILES

0.5 MILES

1.0 MILES TOTAL
Hist-Agriculture 0.0625 0 0 - - - 0
Hist-Auto Dealers 0.0625 0 0 - - - 0
Hist-Auto Repair 0.25 0 0 1 - - 1
Hist-Chemical Manufacturing 0.0625 0 0 - - - 0
Hist-Chemical-Storage 0.0625 0 0 - - - 0
Hist-Cleaners 0.25 0 0 0 - - 0
Hist-Convenience 0.0625 0 0 - - - 0
Hist-Disposal-Recycle 0.0625 0 0 - - - 0
Hist-Food-Processors 0.0625 0 0 - - - 0
Hist-Gun-Ranges 0.0625 0 0 - - - 0
Hist-Machine Shop 0.0625 0 0 - - - 0
Hist-Manufacturing 0.0625 0 0 - - - 0
Hist-Metal Plating 0.0625 0 0 - - - 0
Hist-Mining 0.0625 0 0 - - - 0
Hist-Mortuaries 0.0625 0 0 - - - 0
Hist-Oil-Gas 0.0625 0 0 - - - 0
Hist-OilGas-Refiners 0.0625 0 0 - - - 0
Hist-Other 0.0625 0 0 - - - 0
Hist-Paint-Stores 0.0625 0 0 - - - 0
Hist-Petroleum 0.0625 0 0 - - - 0
Hist-Post-Offices 0.0625 0 0 - - - 0
Hist-Printers 0.0625 0 0 - - - 0
Hist-Rental 0.0625 0 0 - - - 0
Hist-RV-Dealers 0.0625 0 0 - - - 0
Hist-Salvage 0.0625 0 0 - - - 0
Hist-Service Stations 0.25 0 0 0 - - 0
Hist-Steel-Metals 0.0625 0 0 - - - 0
Hist-Textile 0.0625 0 0 - - - 0
Hist-Transportation 0.0625 0 0 - - - 0
Hist-Trucking 0.0625 0 0 - - - 0
Hist-Vehicle-Parts 0.0625 0 0 - - - 0
Hist-Vehicle-Washing 0.0625 0 0 - - - 0
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SITE LOCATION TOPOGRAPHIC MAP
U.S. Geological Survey. Lake Elsinore (Date Unavailable) Quadrangle, 7.5 Minute Series S&S Commercial Environmental
Services, Inc.

Collier And Minthorn
Lake Elsinore , CA 92530
FIGURE:

JOB:

DATE:
1 2104787850
10/29/2024
800-377-2430 www.RecCheck.com Page 17 2104787850
Copyright 2024 Environmental Record Search (ERS) All Rights Reserved

SITE LOCATION MAP
S&S Commercial Environmental
Services, Inc.

Collier And Minthorn
Lake Elsinore , CA 92530
FIGURE:

JOB:

DATE:
2 2104787850
10/29/2024
800-377-2430 www.RecCheck.com Page 18 2104787850
Copyright 2024 Environmental Record Search (ERS) All Rights Reserved

1-MILE RADIUS STREET MAP W/OCCURRENCES (MAP1)
All plotted occurrences represent approximate locations based on geographic information provided by the respective agency. Actual locations may vary due to numerous reasons such as: the size of the property, accuracy of the provided location, accuracy of the software used to determine the location, etc. Occurrences are shown in three colors to give a visual indication of the potential risk of the listed occurrence based on the type of list and the current status of the occurrence. Occurrences shown in RED are locations with known contamination that have not received a “case closed” or “no further action” status. Occurrences shown in YELLOW have been listed by the respective agency, but do not always represent an environmental risk. The detailed status information and description of the listing should be reviewed for further information. Occurrences shown in GREEN are occurrences that have active permits or have had contamination in the past but have received a “case closed” or “no further action” status and therefore, do not likely present an environmental risk. 800-377-2430 www.RecCheck.com Page 19 2104787850
Copyright 2024 Environmental Record Search (ERS) All Rights Reserved

0.25-MILE RADIUS STREET MAP W/OCCURRENCES (MAP2)
All plotted occurrences represent approximate locations based on geographic information provided by the respective agency. Actual locations may vary due to numerous reasons such as: the size of the property, accuracy of the provided location, accuracy of the software used to determine the location, etc. Occurrences are shown in three colors to give a visual indication of the potential risk of the listed occurrence based on the type of list and the current status of the occurrence. Occurrences shown in RED are locations with known contamination that have not received a “case closed” or “no further action” status. Occurrences shown in YELLOW have been listed by the respective agency, but do not always represent an environmental risk. The detailed status information and description of the listing should be reviewed for further information. Occurrences shown in GREEN are occurrences that have active permits or have had contamination in the past but have received a “case closed” or “no further action” status and therefore, do not likely present an environmental risk. 800-377-2430 www.RecCheck.com Page 20 2104787850
Copyright 2024 Environmental Record Search (ERS) All Rights Reserved

0.0625-MILE RADIUS STREET MAP W/ OCCURRENCES (MAP3)
All plotted occurrences represent approximate locations based on geographic information provided by the respective agency. Actual locations may vary due to numerous reasons such as: the size of the property, accuracy of the provided location, accuracy of the software used to determine the location, etc. Occurrences are shown in three colors to give a visual indication of the potential risk of the listed occurrence based on the type of list and the current status of the occurrence. Occurrences shown in RED are locations with known contamination that have not received a “case closed” or “no further action” status. Occurrences shown in YELLOW have been listed by the respective agency, but do not always represent an environmental risk. The detailed status information and description of the listing should be reviewed for further information. Occurrences shown in GREEN are occurrences that have active permits or have had contamination in the past but have received a “case closed” or “no further action” status and therefore, do not likely present an environmental risk. 800-377-2430 www.RecCheck.com Page 21 2104787850
Copyright 2024 Environmental Record Search (ERS) All Rights Reserved

1-MILE TOPOGRAPHIC MAP W/OCCURRENCES (MAP4)
All plotted occurrences represent approximate locations based on geographic information provided by the respective agency. Actual locations may vary due to numerous reasons such as: the size of the property, accuracy of the provided location, accuracy of the software used to determine the location, etc. Occurrences are shown in three colors to give a visual indication of the potential risk of the listed occurrence based on the type of list and the current status of the occurrence. Occurrences shown in RED are locations with known contamination that have not received a “case closed” or “no further action” status. Occurrences shown in YELLOW have been listed by the respective agency, but do not always represent an environmental risk. The detailed status information and description of the listing should be reviewed for further information. Occurrences shown in GREEN are occurrences that have active permits or have had contamination in the past but have received a “case closed” or “no further action” status and therefore, do not likely present an environmental risk. 800-377-2430 www.RecCheck.com Page 22 2104787850
Copyright 2024 Environmental Record Search (ERS) All Rights Reserved

AGENCY DIFFERENCES IN MAPPED LOCATIONS (MAP5)
Note: Occurrences on this map have agency provided coordinates which differ significantly from geocoded locations.

This “AGENCY DIFFERENCES IN MAPPED LOCATIONS (MAP 4)” is fully protected against reproduction in any way, shape or form by ERS Environmental Record Search. ALL applicable laws, copyrights, pending copyrights, trademarks, and any and all applicable Federal and State laws apply at all times. These protections include the concept, procedures, processes, layout, vision, color scheme, mapping layout, legends, data, any and all verbiage, and the entire concept. 800-377-2430 www.RecCheck.com Page 23 2104787850
Copyright 2024 Environmental Record Search (ERS) All Rights Reserved

SUMMARY OF AGENCY DIFFERENCES

MAP ID ID / SITE NAME ADDRESS / DATABASE AGENCY

COORDINATES

DISTANCE
(MILES)

DIRECTION
5 CAD052663085

THERMAL

ELECTRONICS,
INC
403 W Minthorn St

RCRA-NON-US
-117.32803,

33.679184

0.23 SE
7 CAR000284208

ABEL'S AUTO

REPAIR LLC
311 W Minthorn St Ste 4

RCRA-SQG-US
-117.331542,

33.681854

0.07 W
15 10578097
SoCal RV Doctor
29910 Ohana Cir # 102

CERS-CA
-117.32829,

33.68461

0.22 NE
15 CAL000366697

TEAM LABEDA

TEST FACILITY

LLC DBA SOCAL

RV DOCTOR
29910 Ohana Cir Ste 102

RCRA-NON-US
-117.328845,

33.685099

0.24 N
15 CAL000129258

PRECISION
SPORTS
29910 Ohana Cir

RCRA-NON-US
-117.328845,

33.685099

0.24 N
19 T0606500134
REDMAN

PROPERTY
520 N Riley St
LUST-Closed-CA
-117.3285037,

33.6747664

0.5 S
20 T0606500084

CITY YARD
521 N Langstaff St
LUST-Closed-CA
-117.3284271,

33.67841564

0.26 SE
23 T0606500097

LAIDLAW TRANSIT
609 W MINTHORN ST
Hist-CA
-117.329771,

33.681359

0.05 SE
24 CAL000399691

AGGREGATE

CRUSHER

SPECIALISTS INC

DBA ACS INC
18785 Collier Ave

RCRA-NON-US
-117.329048,

33.681723

0.07 E
25 CAD981568488

DELEO CLAY TILE
CO INC
600 Chaney St

RCRA-LQG-US
-117.333225,

33.684039

0.23 NW
25 CAL000375591

NP MECHANICAL
INC
600 Chaney St

RCRA-NON-US
-117.333225,

33.684039

0.23 NW
800-377-2430 www.RecCheck.com Page 24 2104787850
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MAPPED AIR PERMITS WITH POTENTIAL DISPERSION (MAP6)
Note: Occurrences on this map are reported in Air Quality databases. Potential air plumes are drawn in the direction of the prevailing wind.

All plotted occurrences represent approximate locations based on geographic information provided by the respective agency/source. Actual locations may vary due to numerous reasons such as:
the size of the property, accuracy of the provided location, accuracy of the software used to determine the location, etc. Potential air dispersion plumes are depicted to graphically show the direction contaminates may travel based on prevailing wind data and provide a visual screening tool only. Actual direction will vary especially by season. Depending on the actual contaminate, amount released, and other variables, the distance from the source the contaminate may travel can and will vary. Interpretation and review of all the actual relevant data by an environmental professional is recommended before making any decisions, conclusions or otherwise based on the map depictions, air data, and potential air dispersion plumes.

This “MAPPED AIR PERMITS WITH POTENTIAL DISPERSION (MAP 6)” is fully protected against reproduction in any way, shape or form by ERS Environmental Record Search. ALL applicable laws, copyrights, pending copyrights, trademarks, and any and all applicable Federal and State laws apply at all times. These protections include the concept, procedures, processes, layout, vision, color scheme, mapping layout, legends, data, any and all verbiage, and the entire concept. 800-377-2430 www.RecCheck.com Page 25 2104787850
Copyright 2024 Environmental Record Search (ERS) All Rights Reserved

LISTED OCCURRENCE DETAILS

DATABASE STATUS DISTANCE ELEVATION MAP ID
CRSP-CA Listed 0.05 miles SE 1276 ft
(6 ft lower than site) 1

SITE NAME MAPS ID
LAIDLAW TRANSIT 1, 2, 3, 4 214479

ADDRESS CITY ZIP
Not Reported by Agency LAKE ELSINORE 92330

DETAILS
Site Regulated Program Information
Site ID: 214479
Site EI ID: T0606500097
Agency Provided Latitude: 33.681359
Agency Provided Longitude: -117.329771
Program Description: Leaking Underground Storage Tank Cleanup Site Evaluation Information
: Not Reported
:Violation Information
: Not Reported
:Enforcement Information
: Not Reported
:Chemical Information
: Not Reported
:Coordinate Information
: Not Reported
:

DATABASE STATUS DISTANCE ELEVATION MAP ID
AIR-DIST-CA Listed 0.05 miles SW 1277 ft
(5 ft lower than site) 2

SITE NAME MAPS ID
EASTERN MUNICIPAL WATER DISTRICT 1, 2, 3, 4 124616-SC

ADDRESS CITY ZIP
866 MINTHORN ST LAKE ELSINORE 92530
800-377-2430 www.RecCheck.com Page 26 2104787850
Copyright 2024 Environmental Record Search (ERS) All Rights Reserved

DETAILS
District: South Coast AQMD
Compliance URL:
https://xappprod.aqmd.gov/find//facility/AQMDsearch?facilityID=124616 Note: For additional Facility, Equipment, Emissions, Hearing Board or Transporation Plan Information click on different tabs.

Facility Id: 124616
County Code: RV
County: Riverside
Facility Status Code: A
Facility Status: ACTIVE
Number of Employees: 0
Location Zip Code Extension: Not Reported
Facility Representative First Name: FELIPE
Facility Representative Last Name: GREGORIO
Location Area Code: 951
Location Phone Number: 9283777
Location Phone Extension: 6325
Mailing Address: P.O. BOX 8300
Mailing City: PERRIS
Mailing State: CA
Mailing Zip Code: 92572
Mailing Zip Code Extension: 8300
Mailing Area Code: 951
Mailing Phone Number: 9283777
Mailing Phone Extension: 6325
Mailing Representative First Name: FELIPE
Mailing Representative Last Name: GREGORIO
More Details Link

DATABASE STATUS DISTANCE ELEVATION MAP ID
AIR-DIST-CA Listed 0.06 miles W 1278 ft
(4 ft lower than site) 3

SITE NAME MAPS ID
M & J AUTO & BODY 1, 2, 3, 4 77669-SC

ADDRESS CITY ZIP
609 MINTHORN ST LAKE ELSINORE 92532
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Copyright 2024 Environmental Record Search (ERS) All Rights Reserved

DETAILS
District: South Coast AQMD
Compliance URL:
https://xappprod.aqmd.gov/find//facility/AQMDsearch?facilityID=77669 Note: For additional Facility, Equipment, Emissions, Hearing Board or Transporation Plan Information click on different tabs.

Facility Id: 77669
County Code: RV
County: Riverside
Facility Status Code: A
Facility Status: ACTIVE
Number of Employees: 0
Location Zip Code Extension: Not Reported
Facility Representative First Name: MAURICE
Facility Representative Last Name: CARMICHAEL
Location Area Code: 213
Location Phone Number: 3759848
Location Phone Extension: Not Reported
Mailing Address: 39634 WILD FLOWER DR
Mailing City: MURRIETA
Mailing State: CA
Mailing Zip Code: 92563
Mailing Zip Code Extension: 8664
Mailing Area Code: 213
Mailing Phone Number: 3759848
Mailing Phone Extension: Not Reported
Mailing Representative First Name: MAURICE
Mailing Representative Last Name: CARMICHAEL
More Details Link

DATABASE STATUS DISTANCE ELEVATION MAP ID
FRS-US Listed 0.06 miles W 1278 ft
(4 ft lower than site) 3

SITE NAME MAPS ID
LAIDLAW TRANSIT 1, 2, 3, 4 110065082234

ADDRESS CITY ZIP
609 W MINTHORN ST LAKE ELSINORE 92330

DETAILS
FRS Facility Detail Report URL:
https://frs-public.epa.gov/ords/frs_public2/fii_query_detail.disp_program_facility?p_registry_id=110065082234 Registry ID: 110065082234
800-377-2430 www.RecCheck.com Page 28 2104787850
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DATABASE STATUS DISTANCE ELEVATION MAP ID
FRS-US Listed 0.06 miles W 1278 ft
(4 ft lower than site) 3

SITE NAME MAPS ID
STEVES TOWING INC 1, 2, 3, 4 110070474323

ADDRESS CITY ZIP
609 W MINTHORN ST LAKE ELSINORE

DETAILS
FRS Facility Detail Report URL:
https://frs-public.epa.gov/ords/frs_public2/fii_query_detail.disp_program_facility?p_registry_id=110070474323 Registry ID: 110070474323

DATABASE STATUS DISTANCE ELEVATION MAP ID
Hist-LUSTIS-CA Listed 0.06 miles W 1278 ft
(4 ft lower than site) 3

SITE NAME MAPS ID
LAIDLAW TRANSIT 1, 2, 3, 4 235566

ADDRESS CITY ZIP
609 MINTHORN STREET, WEST LAKE ELSINORE 92330

DETAILS
Reported Date: 1998

DATABASE STATUS DISTANCE ELEVATION MAP ID
Hist-Regional-UST-CA Listed 0.06 miles W 1278 ft
(4 ft lower than site) 3

SITE NAME MAPS ID
LAIDLAW TRANSIT 1, 2, 3, 4 235566

ADDRESS CITY ZIP
609 MINTHORN STREET WEST LAKE ELSINORE
800-377-2430 www.RecCheck.com Page 29 2104787850
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DETAILS
Reported Date: 1998
List: Region #8-Santa Ana Regional Underground Tank Database List Agency: Regional Water Quality Control Board, Region #8

DATABASE STATUS DISTANCE ELEVATION MAP ID
Hist-UST-CA Listed 0.06 miles W 1278 ft
(4 ft lower than site) 3

SITE NAME MAPS ID
ARA TRANSPORTATION INC 1, 2, 3, 4 214068

ADDRESS CITY ZIP
609 MINTHORN AVE LAKE ELSINORE 92330

DETAILS
Note: ID has been assigned by ERS
Tank Details:
https://documents.geotracker.waterboards.ca.gov/ustpdfs/pdf/0001f413.pdf

DATABASE STATUS DISTANCE ELEVATION MAP ID
Hist-UST-CA Listed 0.06 miles W 1278 ft
(4 ft lower than site) 3

SITE NAME MAPS ID
LAIDLAW TRANSIT / ELSINORE DIV 1, 2, 3, 4 244271

ADDRESS CITY ZIP
609 MINTHORN LAKE ELSINORE 92330

DETAILS
Note: ID has been assigned by ERS
Tank Details:
https://documents.geotracker.waterboards.ca.gov/ustpdfs/pdf/0001f7a3.pdf 800-377-2430 www.RecCheck.com Page 30 2104787850
Copyright 2024 Environmental Record Search (ERS) All Rights Reserved

DATABASE STATUS DISTANCE ELEVATION MAP ID
HWIS-CA No Longer Listed 0.06 miles W 1278 ft
(4 ft lower than site) 3

SITE NAME MAPS ID
STEVE'S TOWING INC 1, 2, 3, 4 54FDFFFACAL000337032

ADDRESS CITY ZIP
609 W MINTHORN ST LAKE ELSINORE 8561800900

DETAILS
Previous List: HWIS-CA
Archived: 4/2/2012

DATABASE STATUS DISTANCE ELEVATION MAP ID
HWIS-CA No Longer Listed 0.06 miles W 1278 ft
(4 ft lower than site) 3

SITE NAME MAPS ID
STEVE'S TOWING INC 1, 2, 3, 4 CAL000337032

ADDRESS CITY ZIP
609 W MINTHORN ST LAKE ELSINORE 925302801
800-377-2430 www.RecCheck.com Page 31 2104787850
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DETAILS
Original Database: HWIS-CA
Last Agency Status: Listed
Archive Date: 10/07/21
No Longer Listed-EPA ID: CAL000337032
Facility County: 33
Mailing Street: PO BOX 355
Mailing City: LAKE ELSINORE
Mailing State: CA
Mailing Zip: 925310355
Contact Name: JOHN MILLER
Contact Phone: 9515381400
Year: 2016
TONS: 0.3525
TSD EPA ID: UTD991301748
Category Code: 352
Category Description: Other organic solids
Method Description: LANDFILL OR SURFACE IMPOUNDMENT THAT WILL BE CLOSED AS LANDFILL( TO INCLUDE ON-SITE TREATMENT AND/OR

STABILIZATION)
Year: 2015
TONS: 0.1125
TSD EPA ID: UTD991301748
Category Code: 352
Category Description: Other organic solids
Method Description: LANDFILL OR SURFACE IMPOUNDMENT THAT WILL BE CLOSED AS LANDFILL( TO INCLUDE ON-SITE TREATMENT AND/OR

STABILIZATION)
Year: 2015
More Details Link

DATABASE STATUS DISTANCE ELEVATION MAP ID
LUST-Closed-CA COMPLETED - CASE
CLOSED

0.06 miles W 1278 ft
(4 ft lower than site) 3

SITE NAME MAPS ID
LAIDLAW TRANSIT 1, 2, 3, 4 T0606500097

ADDRESS CITY ZIP
609 W MINTHORN ST LAKE ELSINORE 92330
800-377-2430 www.RecCheck.com Page 32 2104787850
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DETAILS
Global ID: T0606500097
Site/Facility Type: LUST CLEANUP SITE
County: RIVERSIDE
Census Tract: 6065043006
EPA Region: 9
Case Type: LUST Cleanup Site
Status Date: 4/4/1989
CUF Case: NO
Lead Agency: RIVERSIDE COUNTY LOP
Case Manager: RIV
Local Agency: RIVERSIDE COUNTY LOP
Regional Water Board Case Case Number: 083300978T
Potential Contaminants of Concern: Heating Oil / Fuel Oil Potential Media of Concern: Soil
Case Begin Date: 3/2/1988
Leak Reported Date: 6/2/1988
How Leak was Discovered: Tank Closure
Discharge Source: Tank
Discharge Cause: Corrosion
No Further Action Date: 4/4/1989
CalWater Watershed Name: Santa Ana River - Lake Mathews - Terra Colta (801.35) DWR Groundwater Sub-Basin Name: Elsinore - Elsinore Valley (8-004.01) CalEnviroScreen 3 Percentile: 81-85%
CalEnviroScreen 4 Percentile: 80-85%
Is the site a Military or DOD site?: No
Regional Board Office Region: SANTA ANA RWQCB (REGION 8)

DATABASE STATUS DISTANCE ELEVATION MAP ID
RCRA-NON-US Listed 0.06 miles W 1278 ft
(4 ft lower than site) 3

SITE NAME MAPS ID
STEVE'S TOWING INC 1, 2, 3, 4 CAL000337032

ADDRESS CITY ZIP
609 W MINTHORN ST LAKE ELSINORE 92530-2801

DETAILS
More Details:
https://enviro.epa.gov/envirofacts/rcrainfo/facility?handlerId=CAL000337032 Reporting Universe: Other
800-377-2430 www.RecCheck.com Page 33 2104787850
Copyright 2024 Environmental Record Search (ERS) All Rights Reserved

DATABASE STATUS DISTANCE ELEVATION MAP ID
RCRA-SQG-US Listed 0.06 miles W 1278 ft
(4 ft lower than site) 3

SITE NAME MAPS ID
ZIEMBAS AUTO 1, 2, 3, 4 CAD982317299

ADDRESS CITY ZIP
609 MINTHORN LAKE ELSINORE 92530

DETAILS
More Details:
https://enviro.epa.gov/envirofacts/rcrainfo/facility?handlerId=CAD982317299 Reporting Universe: SQG

DATABASE STATUS DISTANCE ELEVATION MAP ID
CRSP-CA Listed 0.07 miles SW 1274 ft
(8 ft lower than site) 4

SITE NAME MAPS ID
Lake Elsinore Outlet Channel Maintenance Project 1, 2, 4 265854

ADDRESS CITY ZIP
Not Reported by Agency
800-377-2430 www.RecCheck.com Page 34 2104787850
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DETAILS
Site Regulated Program Information
Site ID: 265854
Site EI ID: 772217
Agency Provided Latitude: 33.681
Agency Provided Longitude: -117.331
Program Description: Wetlands - Fill and Dredge Material Evaluation Information
: Not Reported
:Violation Information
: Not Reported
:Enforcement Information
: Not Reported
:Chemical Information
: Not Reported
:Coordinate Information
: Not Reported
:

DATABASE STATUS DISTANCE ELEVATION MAP ID
AIR-DIST-CA Listed 0.08 miles S 1273 ft
(9 ft lower than site) 5

SITE NAME MAPS ID
THERMAL ELECTRONICS INC 1, 2, 4 36895-SC

ADDRESS CITY ZIP
403 MINTHORN LAKE ELSINORE 92530
800-377-2430 www.RecCheck.com Page 35 2104787850
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DETAILS
District: South Coast AQMD
Compliance URL:
https://xappprod.aqmd.gov/find//facility/AQMDsearch?facilityID=36895 Note: For additional Facility, Equipment, Emissions, Hearing Board or Transporation Plan Information click on different tabs.

Facility Id: 36895
County Code: RV
County: Riverside
Facility Status Code: A
Facility Status: ACTIVE
Number of Employees: 0
Location Zip Code Extension: Not Reported
Facility Representative First Name: Not Reported
Facility Representative Last Name: Not Reported
Location Area Code: Not Reported
Location Phone Number: Not Reported
Location Phone Extension: Not Reported
Mailing Address: 403 MINTHORN
Mailing City: LAKE ELSINORE
Mailing State: CA
Mailing Zip Code: 92530
Mailing Zip Code Extension: Not Reported
Mailing Area Code: Not Reported
Mailing Phone Number: Not Reported
Mailing Phone Extension: Not Reported
Mailing Representative First Name: Not Reported
Mailing Representative Last Name: Not Reported
More Details Link

DATABASE STATUS DISTANCE ELEVATION MAP ID
RCRA-NON-US Listed 0.08 miles S 1273 ft
(9 ft lower than site) 5

SITE NAME MAPS ID
THERMAL ELECTRONICS, INC 1, 2, 4 CAD052663085

ADDRESS CITY ZIP
403 W Minthorn St Lake Elsinore 92530

DETAILS
More Details:
https://enviro.epa.gov/envirofacts/rcrainfo/facility?handlerId=CAD052663085 Reporting Universe: Other
800-377-2430 www.RecCheck.com Page 36 2104787850
Copyright 2024 Environmental Record Search (ERS) All Rights Reserved

DATABASE STATUS DISTANCE ELEVATION MAP ID
ENF-Wastewater-CA Historical 0.09 miles SW 1276 ft
(6 ft lower than site) 6

SITE NAME MAPS ID
Temescal Creek Outfall 1, 2, 4 338019

ADDRESS CITY ZIP
Not Reported by Agency

DETAILS
ENFORCEMENT ID (EID): 338019
FACILITY NAME: Temescal Creek Outfall
PLACE SUBTYPE: Wastewater Treatment Facility
PLACE LATITUDE: 33.681111
STATUS: Historical
REGION: 8
FACILITY ID: 259196
AGENCY NAME: Eastern Municipal Water District
PLACE TYPE: Utility
PLACE LONGITUDE: -117.331667
WDID: 8 332303001
REG MEASURE ID: 133107
REG MEASURE TYPE: NPDES Permits
ORDER / RESOLUTION NUMBER: R8-2006-0069
ENFORCEMENT ACTION TYPE: Admin Civil Liability
EFFECTIVE DATE: 12/15/2006
ACL ISSUANCE DATE: 12/15/2006
TITLE: MPC No. R8-2006-0069 for EMWD
DESCRIPTION: Issued Mandatory Penalty Complaint to address minimum mandatory penalties accrued from 7 (seven) effluent limit violations for Aluminum and chlorine residual, which occurred between Jan-05 & Mar-06.

PROGRAM: NPDMUNILRG
PROGRAM CATEGORY: NPDESWW
TOTAL ASSESSMENT AMOUNT: 21000
INITIAL ASSESSED AMOUNT: 0
LIABILITY $ AMOUNT: 10500
PROJECT $ AMOUNT: 0
LIABILITY $ PAID: 10500
PROJECT $ COMPLETED: 0
More Details Link
800-377-2430 www.RecCheck.com Page 37 2104787850
Copyright 2024 Environmental Record Search (ERS) All Rights Reserved

DATABASE STATUS DISTANCE ELEVATION MAP ID
ENF-Wastewater-CA Historical 0.09 miles SW 1276 ft
(6 ft lower than site) 6

SITE NAME MAPS ID
Temescal Creek Outfall 1, 2, 4 221849

ADDRESS CITY ZIP
Not Reported by Agency

DETAILS
ENFORCEMENT ID (EID): 221849
FACILITY NAME: Temescal Creek Outfall
PLACE SUBTYPE: Wastewater Treatment Facility
PLACE LATITUDE: 33.681111
STATUS: Historical
REGION: 8
FACILITY ID: 259196
AGENCY NAME: Eastern Municipal Water District
PLACE TYPE: Utility
PLACE LONGITUDE: -117.331667
WDID: 8 332303001
REG MEASURE ID: 133107
REG MEASURE TYPE: NPDES Permits
ORDER / RESOLUTION NUMBER: R8-1998-0106
ENFORCEMENT ACTION TYPE: Admin Civil Liability
EFFECTIVE DATE: 12/18/1998
TERMINATION DATE: 10/2/2003
TITLE: Enforcement - 8 332303001
DESCRIPTION: 13385-CHLORINE DISCHARGE TO TEMESCAL CREEK SEP-DAIRY RUNOFF SAMPLING PROGRAM: NPDMUNILRG
PROGRAM CATEGORY: NPDESWW
TOTAL ASSESSMENT AMOUNT: 10000
INITIAL ASSESSED AMOUNT: 0
LIABILITY $ AMOUNT: 2000
PROJECT $ AMOUNT: 0
LIABILITY $ PAID: 2000
PROJECT $ COMPLETED: 0
More Details Link
800-377-2430 www.RecCheck.com Page 38 2104787850
Copyright 2024 Environmental Record Search (ERS) All Rights Reserved

DATABASE STATUS DISTANCE ELEVATION MAP ID
ENF-Wastewater-CA Historical 0.09 miles SW 1276 ft
(6 ft lower than site) 6

SITE NAME MAPS ID
Temescal Creek Outfall 1, 2, 4 253277

ADDRESS CITY ZIP
Not Reported by Agency

DETAILS
ENFORCEMENT ID (EID): 253277
FACILITY NAME: Temescal Creek Outfall
PLACE SUBTYPE: Wastewater Treatment Facility
PLACE LATITUDE: 33.681111
STATUS: Historical
REGION: 8
FACILITY ID: 259196
AGENCY NAME: Eastern Municipal Water District
PLACE TYPE: Utility
PLACE LONGITUDE: -117.331667
WDID: 8 332303001
REG MEASURE ID: 147651
REG MEASURE TYPE: NPDES Permits
ORDER / RESOLUTION NUMBER: R8-2004-0100
ENFORCEMENT ACTION TYPE: Admin Civil Liability
EFFECTIVE DATE: 11/16/2004
TITLE: MPC R8-2004-0100 for EMWD
DESCRIPTION: For violations of Se & cyanide in January & February 2004 PROGRAM: NPDMUNILRG
PROGRAM CATEGORY: NPDESWW
TOTAL ASSESSMENT AMOUNT: 12000
INITIAL ASSESSED AMOUNT: 12000
LIABILITY $ AMOUNT: 12000
PROJECT $ AMOUNT: 0
LIABILITY $ PAID: 12000
PROJECT $ COMPLETED: 0
TOTAL $ PAID/COMPLETED AMOUNT: 12000
More Details Link
800-377-2430 www.RecCheck.com Page 39 2104787850
Copyright 2024 Environmental Record Search (ERS) All Rights Reserved

DATABASE STATUS DISTANCE ELEVATION MAP ID
ENF-Wastewater-CA Historical 0.09 miles SW 1276 ft
(6 ft lower than site) 6

SITE NAME MAPS ID
Temescal Creek Outfall 1, 2, 4 251510

ADDRESS CITY ZIP
Not Reported by Agency

DETAILS
ENFORCEMENT ID (EID): 251510
FACILITY NAME: Temescal Creek Outfall
PLACE SUBTYPE: Wastewater Treatment Facility
PLACE LATITUDE: 33.681111
STATUS: Historical
REGION: 8
FACILITY ID: 259196
PLACE TYPE: Utility
PLACE LONGITUDE: -117.331667
ORDER / RESOLUTION NUMBER: R8-2004-0045
ENFORCEMENT ACTION TYPE: Admin Civil Liability
EFFECTIVE DATE: 3/11/2004
TITLE: MPC R8-2004-0045 for EMWD
DESCRIPTION: Issued to address chlorine residual (6 violations), cyanide (1), iron (1), Turbidity (2), selenium (2), and Mercury (1) violations from discharge to Temescal Creek from March 2001 to December 2003.

PROGRAM: NPDESWW
PROGRAM CATEGORY: NPDESWW
TOTAL ASSESSMENT AMOUNT: 30000
INITIAL ASSESSED AMOUNT: 0
LIABILITY $ AMOUNT: 30000
PROJECT $ AMOUNT: 0
LIABILITY $ PAID: 30000
PROJECT $ COMPLETED: 0
TOTAL $ PAID/COMPLETED AMOUNT: 30000
Location 1: (33.681111, -117.331667)

DATABASE STATUS DISTANCE ELEVATION MAP ID
CRSP-CA Listed 0.09 miles SW 1276 ft
(6 ft lower than site) 6

SITE NAME MAPS ID
Temescal Creek Outfall 1, 2, 4 74331

ADDRESS CITY ZIP
Not Reported by Agency LAKE ELSINORE
800-377-2430 www.RecCheck.com Page 40 2104787850
Copyright 2024 Environmental Record Search (ERS) All Rights Reserved

DETAILS
Site Regulated Program Information
Site ID: 74331
Site EI ID: 259196
Agency Provided Latitude: 33.681111
Agency Provided Longitude: -117.331667
Program Description: NPDES Wastewater and Stormwater
Evaluation Information
Evaluation Date: 5/16/2018
Violations Found? (Y/N): No
Evaluation General Type: Compliance Evaluation Inspection Evaluation Type: RWQCB Type B compliance inspection
Evaluation Note(s): Not Reported
Evaluation Division: Water Boards
Evaluation Program: NPDMUNILRG
Evaluation Source: CIWQS
Evaluation Date: 2/3/2016
Violations Found? (Y/N): No
Evaluation General Type: Compliance Evaluation Inspection Evaluation Type: RWQCB Type B compliance inspection
Evaluation Note(s): Not Reported
Evaluation Division: Water Boards
Evaluation Program: NPDMUNILRG
Evaluation Source: CIWQS
More Details Link

DATABASE STATUS DISTANCE ELEVATION MAP ID
RCRA-NON-US Listed 0.1 miles S 1270 ft
(12 ft lower than site) 7

SITE NAME MAPS ID
NET DEVELOPMENT CO. 1, 2, 4 CAC003030691

ADDRESS CITY ZIP
311 W Minthorn St Lake Elsinore 92530

DETAILS
More Details:
https://enviro.epa.gov/envirofacts/rcrainfo/facility?handlerId=CAC003030691 Reporting Universe: Other
800-377-2430 www.RecCheck.com Page 41 2104787850
Copyright 2024 Environmental Record Search (ERS) All Rights Reserved

DATABASE STATUS DISTANCE ELEVATION MAP ID
RCRA-SQG-US Listed 0.1 miles S 1270 ft
(12 ft lower than site) 7

SITE NAME MAPS ID
ABEL'S AUTO REPAIR LLC 1, 2, 4 CAR000284208

ADDRESS CITY ZIP
311 W Minthorn St Ste 4 Lake Elsinore 92530

DETAILS
More Details:
https://enviro.epa.gov/envirofacts/rcrainfo/facility?handlerId=CAR000284208 Reporting Universe: SQG

DATABASE STATUS DISTANCE ELEVATION MAP ID
CRSP-CA Listed 0.15 miles W 1274 ft
(8 ft lower than site) 8

SITE NAME MAPS ID
Lake Elsinore Inflatable Dam Installation 1, 2, 4 319242

ADDRESS CITY ZIP
Not Reported by Agency
800-377-2430 www.RecCheck.com Page 42 2104787850
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DETAILS
Site Regulated Program Information
Site ID: 319242
Site EI ID: 783611
Agency Provided Latitude: 33.68158
Agency Provided Longitude: -117.33297
Program Description: Wetlands - Fill and Dredge Material Evaluation Information
: Not Reported
:Violation Information
: Not Reported
:Enforcement Information
: Not Reported
:Chemical Information
: Not Reported
:Coordinate Information
: Not Reported
:

DATABASE STATUS DISTANCE ELEVATION MAP ID
CRSP-CA Listed 0.16 miles NW 1281 ft
(1 ft lower than site) 9

SITE NAME MAPS ID
Rightway Portable Toilets 1, 2, 4 61661

ADDRESS CITY ZIP
Not Reported by Agency LAKE ELSINORE 92530
800-377-2430 www.RecCheck.com Page 43 2104787850
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DETAILS
Site Regulated Program Information
Site ID: 61661
Site EI ID: 10316641
Agency Provided Latitude: 33.683379
Agency Provided Longitude: -117.33235
Program Description: Chemical Storage Facilities
Program Description: Hazardous Waste Generator
Program Description: Leaking Underground Storage Tank Cleanup Site Program Description: Underground Storage Tank
Evaluation Information
Evaluation Date: 11/29/2018
Violations Found? (Y/N): Yes
Evaluation General Type: Compliance Evaluation Inspection Evaluation Type: Routine done by local agency
Evaluation Note(s): Not Reported
Evaluation Division: Riverside County Department of Env Health Evaluation Program: HW
Evaluation Source: CERS
Evaluation Date: 11/29/2018
Violations Found? (Y/N): Yes
More Details Link

DATABASE STATUS DISTANCE ELEVATION MAP ID
CRSP-CA Listed 0.17 miles SE 1267 ft
(15 ft lower than site) 10

SITE NAME MAPS ID
EMWD Reach 4 Dissipitation Facility 1, 2, 4 28303

ADDRESS CITY ZIP
Not Reported by Agency LAKE ELSINORE 92530
800-377-2430 www.RecCheck.com Page 44 2104787850
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DETAILS
Site Regulated Program Information
Site ID: 28303
Site EI ID: 10322920
Agency Provided Latitude: 33.67973
Agency Provided Longitude: -117.3289
Program Description: Chemical Storage Facilities
Evaluation Information
Evaluation Date: 2/9/2017
Violations Found? (Y/N): No
Evaluation General Type: Compliance Evaluation Inspection Evaluation Type: Routine done by local agency
Evaluation Note(s): Not Reported
Evaluation Division: Riverside County Department of Env Health Evaluation Program: HMRRP
Evaluation Source: CERS
Violation Information
: Not Reported
:Enforcement Information
: Not Reported
:Chemical Information
: Not Reported
:Coordinate Information
More Details Link

DATABASE STATUS DISTANCE ELEVATION MAP ID
County-Others-CA Listed 0.17 miles SE 1266 ft
(16 ft lower than site) 11

SITE NAME MAPS ID
EMWD Reach 4 Dissipitation Facility 1, 2, 4 5607-RSD

ADDRESS CITY ZIP
636 Minthorn St Lake Elsinore 92530

DETAILS
Agency: Riverside County Department of Environmental Health, Hazardous Materials Management Branch Note: This is an ERS assigned ID
County: Riverside
Type: Disclosure Facility List
800-377-2430 www.RecCheck.com Page 45 2104787850
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DATABASE STATUS DISTANCE ELEVATION MAP ID
County-Others-CA Listed 0.17 miles NW 1279 ft
(3 ft lower than site) 12

SITE NAME MAPS ID
Rightway Portable Toilets 1, 2, 4 66761-RSD

ADDRESS CITY ZIP
653 W Minthorn St Lake Elsinore 92530

DETAILS
Agency: Riverside County Department of Environmental Health Note: This is an ERS assigned ID
County: Riverside
Type: Generator
Agency Provided Latitude: Not Reported
Agency Provided Longitude: Not Reported

DATABASE STATUS DISTANCE ELEVATION MAP ID
County-Others-CA Listed 0.17 miles NW 1279 ft
(3 ft lower than site) 12

SITE NAME MAPS ID
Rightway Portable Toilets 1, 2, 4 5713-RSD

ADDRESS CITY ZIP
653 W Minthorn St Lake Elsinore 92530

DETAILS
Agency: Riverside County Department of Environmental Health, Hazardous Materials Management Branch Note: This is an ERS assigned ID
County: Riverside
Type: Disclosure Facility List
800-377-2430 www.RecCheck.com Page 46 2104787850
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DATABASE STATUS DISTANCE ELEVATION MAP ID
ENF-CA Listed 0.17 miles NW 1279 ft
(3 ft lower than site) 12

SITE NAME MAPS ID
RIGHTWAY PORTABLE TOILETS 1, 2, 4 55715

ADDRESS CITY ZIP
653 W MINTHORN ST LAKE ELSINORE 92330

DETAILS
Note: This is an ERS generated SOURCEID
SOURCEID: 55715
Global ID: T0607301511
Action Type: ENFORCEMENT
Action Date: 4/4/1989
Action Taken: Closure/No Further Action Letter
Street Number: 653
Street Name: W MINTHORN ST
Status: Completed - Case Closed
Status Date: 4/4/1989
County: Riverside
EPA Region: 9
Coordinate Source: Google Geocode
Case Type: LUST Cleanup Site
Is the site linked to a Cleanup Fund SCUFIIS case?: NO
Lead Agency: RIVERSIDE COUNTY LOP
Case Manager: RIV
Local Agency: RIVERSIDE COUNTY LOP
Regional Water Board case number: 083300324T
Potential contaminants of concern: Gasoline
Potential media of concern: Soil

DATABASE STATUS DISTANCE ELEVATION MAP ID
Hist-LUSTIS-CA Listed 0.17 miles NW 1279 ft
(3 ft lower than site) 12

SITE NAME MAPS ID
RIGHTWAY PORTABLE TOILETS 1, 2, 4 1293320

ADDRESS CITY ZIP
653 MINTHORN STREET, WEST LAKE ELSINORE 92330
800-377-2430 www.RecCheck.com Page 47 2104787850
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DETAILS
Reported Date: 1998

DATABASE STATUS DISTANCE ELEVATION MAP ID
Hist-Regional-UST-CA Listed 0.17 miles NW 1279 ft
(3 ft lower than site) 12

SITE NAME MAPS ID
RIGHTWAY PORTABLE TOILETS 1, 2, 4 1293320

ADDRESS CITY ZIP
653 MINTHORN STREET WEST LAKE ELSINORE

DETAILS
Reported Date: 1998
List: Region #8-Santa Ana Regional Underground Tank Database List Agency: Regional Water Quality Control Board, Region #8

DATABASE STATUS DISTANCE ELEVATION MAP ID
Hist-UST-CA Listed 0.17 miles NW 1279 ft
(3 ft lower than site) 12

SITE NAME MAPS ID
RIGHTWAY 1, 2, 4 260446

ADDRESS CITY ZIP
653 W MINTHORN LAKE ELSINORE 92330

DETAILS
Note: ID has been assigned by ERS
Tank Details:
https://documents.geotracker.waterboards.ca.gov/ustpdfs/pdf/0001f8c7.pdf 800-377-2430 www.RecCheck.com Page 48 2104787850
Copyright 2024 Environmental Record Search (ERS) All Rights Reserved

DATABASE STATUS DISTANCE ELEVATION MAP ID
HWT-CA Listed 0.17 miles NW 1279 ft
(3 ft lower than site) 12

SITE NAME MAPS ID
RIGHTWAY 1, 2, 4 79

ADDRESS CITY ZIP
653 W MINTHORN LAKE ELSINOR 92330

DETAILS
URL:
https://hwts.dtsc.ca.gov/reports/transporter/79
Registration Number: 79
Registration Date: 6/30/1985
Expiration Date: 6/30/1986
Last Updated: 4/28/1993
Record Entered: 3/5/1982
Standing Flag: Expired
County: RIVERSIDE
Mailing Address: 653 W MINTHORN STREET LAKE ELSINORE, CA 92330 Contact: ROBERT M. HARDING
Position: OWNER
Contact Number: 7146742708
Owner(s): ROBERT M. HARDING
EPA ID(s): CAD092259407

DATABASE STATUS DISTANCE ELEVATION MAP ID
LUST-Closed-CA COMPLETED - CASE
CLOSED

0.17 miles NW 1279 ft
(3 ft lower than site) 12

SITE NAME MAPS ID
RIGHTWAY PORTABLE TOILETS 1, 2, 4 T0606500035

ADDRESS CITY ZIP
653 W MINTHORN ST LAKE ELSINORE 92330
800-377-2430 www.RecCheck.com Page 49 2104787850
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DETAILS
Global ID: T0606500035
Site/Facility Type: LUST CLEANUP SITE
County: RIVERSIDE
Census Tract: 6065043006
EPA Region: 9
Case Type: LUST Cleanup Site
Status Date: 4/4/1989
CUF Case: NO
Lead Agency: RIVERSIDE COUNTY LOP
Case Manager: RIV
Local Agency: RIVERSIDE COUNTY LOP
Regional Water Board Case Case Number: 083300324T
Potential Contaminants of Concern: Gasoline
Potential Media of Concern: Soil
Case Begin Date: 7/24/1986
Leak Reported Date: 7/24/1986
How Leak was Discovered: Tank Tightness Test
Discharge Source: Other
Discharge Cause: Unknown
No Further Action Date: 4/4/1989
CalWater Watershed Name: Santa Ana River - Lake Mathews - Terra Colta (801.35) DWR Groundwater Sub-Basin Name: Elsinore - Elsinore Valley (8-004.01) CalEnviroScreen 3 Percentile: 81-85%
CalEnviroScreen 4 Percentile: 80-85%
Is the site a Military or DOD site?: No
Regional Board Office Region: SANTA ANA RWQCB (REGION 8)

DATABASE STATUS DISTANCE ELEVATION MAP ID
RCRA-NON-US Listed 0.17 miles NW 1279 ft
(3 ft lower than site) 12

SITE NAME MAPS ID
RIGHTWAY 1, 2, 4 CAD092259407

ADDRESS CITY ZIP
653 W MINTHORN LAKE ELSINORE 92530

DETAILS
More Details:
https://enviro.epa.gov/envirofacts/rcrainfo/facility?handlerId=CAD092259407 Reporting Universe: Transporter
800-377-2430 www.RecCheck.com Page 50 2104787850
Copyright 2024 Environmental Record Search (ERS) All Rights Reserved

DATABASE STATUS DISTANCE ELEVATION MAP ID
RCRA-NON-US Listed 0.17 miles NW 1279 ft
(3 ft lower than site) 12

SITE NAME MAPS ID
RIGHTWAY 1, 2, 4 CAL000059230

ADDRESS CITY ZIP
653 W MINTHORN ST LAKE ELSINORE 92530-0000

DETAILS
More Details:
https://enviro.epa.gov/envirofacts/rcrainfo/facility?handlerId=CAL000059230 Reporting Universe: Other

DATABASE STATUS DISTANCE ELEVATION MAP ID
CRSP-CA Listed 0.18 miles NW 1278 ft
(4 ft lower than site) 13

SITE NAME MAPS ID
Douglas Technology Group Inc 1, 2, 4 112507

ADDRESS CITY ZIP
Not Reported by Agency LAKE ELSINORE 92530
800-377-2430 www.RecCheck.com Page 51 2104787850
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DETAILS
Site Regulated Program Information
Site ID: 112507
Site EI ID: 10449442
Agency Provided Latitude: 33.68304
Agency Provided Longitude: -117.33307
Program Description: Chemical Storage Facilities
Evaluation Information
: Not Reported
:Violation Information
: Not Reported
:Enforcement Information
: Not Reported
:Chemical Information
: Not Reported
:Coordinate Information
: Not Reported
:

DATABASE STATUS DISTANCE ELEVATION MAP ID
Hist-UST-CA Listed 0.2 miles NW 1287 ft
(5 ft higher than site) 14

SITE NAME MAPS ID
BUTTERFIELD SUPVEYS INC 1, 2, 4 218756

ADDRESS CITY ZIP
18740 Collier Ave Lake Elsinore 92530

DETAILS
Note: ID has been assigned by ERS
Tank Details:
https://documents.geotracker.waterboards.ca.gov/ustpdfs/pdf/0001f455.pdf 800-377-2430 www.RecCheck.com Page 52 2104787850
Copyright 2024 Environmental Record Search (ERS) All Rights Reserved 800-377-2430 www.RecCheck.com Page 53 2104787850
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DATABASE STATUS DISTANCE ELEVATION MAP ID
Hist-USTReg-CA Listed 0.2 miles NW 1287 ft
(5 ft higher than site) 14

SITE NAME MAPS ID
BUTTERFIELD SURVEYS INC 1, 2, 4 3193660

ADDRESS CITY ZIP
18740 Collier Ave Lake Elsinore 92530

DETAILS
Reported Date: 1998

DATABASE STATUS DISTANCE ELEVATION MAP ID
CERS-CA Listed 0.22 miles NE 1318 ft
(36 ft higher than site) 15

SITE NAME MAPS ID
SoCal RV Doctor 1, 2, 4 10578097

ADDRESS CITY ZIP
29910 Ohana Cir # 102 Lake Elsinore 92532

DETAILS
SiteID: 402422
EI ID: 10578097
Description: Chemical Storage Facilities
Hazardous Waste Generator

DATABASE STATUS DISTANCE ELEVATION MAP ID
County-Others-CA Listed 0.22 miles NE 1318 ft
(36 ft higher than site) 15

SITE NAME MAPS ID
SoCal RV Doctor 1, 2, 4 5722-RSD

ADDRESS CITY ZIP
29910 Ohana Cir #102 Lake Elsinore 92532

DETAILS
Agency: Riverside County Department of Environmental Health, Hazardous Materials Management Branch Note: This is an ERS assigned ID
County: Riverside
Type: Disclosure Facility List

DATABASE STATUS DISTANCE ELEVATION MAP ID
County-Others-CA Listed 0.22 miles NE 1318 ft
(36 ft higher than site) 15

SITE NAME MAPS ID
Precision Sports Inc 1, 2, 4 5708-RSD

ADDRESS CITY ZIP
29910 Ohana Cir Lake Elsinore 92532

DETAILS
Agency: Riverside County Department of Environmental Health, Hazardous Materials Management Branch Note: This is an ERS assigned ID
County: Riverside
Type: Disclosure Facility List

DATABASE STATUS DISTANCE ELEVATION MAP ID
County-Others-CA Listed 0.22 miles NE 1318 ft
(36 ft higher than site) 15

SITE NAME MAPS ID
SoCal RV Doctor 1, 2, 4 66773-RSD

ADDRESS CITY ZIP
29910 Ohana Cir #102 Lake Elsinore 92532
800-377-2430 www.RecCheck.com Page 54 2104787850
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DETAILS
Agency: Riverside County Department of Environmental Health Note: This is an ERS assigned ID
County: Riverside
Type: Generator
Agency Provided Latitude: Not Reported
Agency Provided Longitude: Not Reported

DATABASE STATUS DISTANCE ELEVATION MAP ID
County-Others-CA Listed 0.22 miles NE 1318 ft
(36 ft higher than site) 15

SITE NAME MAPS ID
Precision Sports Inc 1, 2, 4 66758-RSD

ADDRESS CITY ZIP
29910 Ohana Cir Lake Elsinore 92532

DETAILS
Agency: Riverside County Department of Environmental Health Note: This is an ERS assigned ID
County: Riverside
Type: Generator
Agency Provided Latitude: Not Reported
Agency Provided Longitude: Not Reported

DATABASE STATUS DISTANCE ELEVATION MAP ID
Hist-Auto Repair Listed 0.22 miles NE 1318 ft
(36 ft higher than site) 15

SITE NAME MAPS ID
LABEDA WHEELS 1, 2, 4 19908

ADDRESS CITY ZIP
29910 Ohana Cir Lake Elsinore 92532
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DETAILS
Sic Code: 5531
Desc: Auto, Truck & Tire Service
Site Added: 2/2010

DATABASE STATUS DISTANCE ELEVATION MAP ID
RCRA-NON-US Listed 0.22 miles NE 1318 ft
(36 ft higher than site) 15

SITE NAME MAPS ID
PRECISION SPORTS 1, 2, 4 CAL000129258

ADDRESS CITY ZIP
29910 Ohana Cir Lake Elsinore 92532

DETAILS
More Details:
https://enviro.epa.gov/envirofacts/rcrainfo/facility?handlerId=CAL000129258 Reporting Universe: Other

DATABASE STATUS DISTANCE ELEVATION MAP ID
RCRA-NON-US Listed 0.22 miles NE 1318 ft
(36 ft higher than site) 15

SITE NAME MAPS ID
TEAM LABEDA TEST FACILITY LLC DBA SOCAL RV DOCTOR 1, 2, 4 CAL000366697

ADDRESS CITY ZIP
29910 Ohana Cir Ste 102 Lake Elsinore 92532

DETAILS
More Details:
https://enviro.epa.gov/envirofacts/rcrainfo/facility?handlerId=CAL000366697 Reporting Universe: Other
800-377-2430 www.RecCheck.com Page 56 2104787850
Copyright 2024 Environmental Record Search (ERS) All Rights Reserved

DATABASE STATUS DISTANCE ELEVATION MAP ID
CRSP-CA Listed 0.22 miles NE 1318 ft
(36 ft higher than site) 15

SITE NAME MAPS ID
SoCal RV Doctor 1, 2, 4 402422

ADDRESS CITY ZIP
Not Reported by Agency LAKE ELSINORE 92532

DETAILS
Site Regulated Program Information
Site ID: 402422
Site EI ID: 10578097
Agency Provided Latitude: 33.68461
Agency Provided Longitude: -117.32829
Program Description: Chemical Storage Facilities
Program Description: Hazardous Waste Generator
Evaluation Information
Evaluation Date: 6/29/2016
Violations Found? (Y/N): No
Evaluation General Type: Compliance Evaluation Inspection Evaluation Type: Routine done by local agency
Evaluation Note(s): SoCal RV add generator program
Evaluation Division: Riverside County Department of Env Health Evaluation Program: HW
Evaluation Source: CERS
Evaluation Date: 6/29/2016
Violations Found? (Y/N): Yes
Evaluation General Type: Compliance Evaluation Inspection Evaluation Type: Routine done by local agency
Evaluation Note(s): Not Reported
Evaluation Division: Riverside County Department of Env Health More Details Link
800-377-2430 www.RecCheck.com Page 57 2104787850
Copyright 2024 Environmental Record Search (ERS) All Rights Reserved

DATABASE STATUS DISTANCE ELEVATION MAP ID
CRSP-CA Listed 0.22 miles NE 1318 ft
(36 ft higher than site) 15

SITE NAME MAPS ID
Precision Sports Inc 1, 2, 4 58562

ADDRESS CITY ZIP
Not Reported by Agency LAKE ELSINORE 92532

DETAILS
Site Regulated Program Information
Site ID: 58562
Site EI ID: 10320322
Agency Provided Latitude: 33.68461
Agency Provided Longitude: -117.32829
Program Description: Chemical Storage Facilities
Program Description: Hazardous Waste Generator
Evaluation Information
Evaluation Date: 10/20/2017
Violations Found? (Y/N): Yes
Evaluation General Type: Other/Unknown
Evaluation Type: Other, not routine, done by local agency Evaluation Note(s): Not Reported
Evaluation Division: Riverside County Department of Env Health Evaluation Program: HMRRP
Evaluation Source: CERS
Evaluation Date: 9/12/2017
Violations Found? (Y/N): Yes
Evaluation General Type: Other/Unknown
Evaluation Type: Other, not routine, done by local agency Evaluation Note(s): Not Reported
Evaluation Division: Riverside County Department of Env Health More Details Link
800-377-2430 www.RecCheck.com Page 58 2104787850
Copyright 2024 Environmental Record Search (ERS) All Rights Reserved

DATABASE STATUS DISTANCE ELEVATION MAP ID
CRSP-CA Listed 0.24 miles NW 1281 ft
(1 ft lower than site) 16

SITE NAME MAPS ID
Deleo Clay Tile Co Inc 1, 2, 4 184414

ADDRESS CITY ZIP
Not Reported by Agency LAKE ELSINORE 92530

DETAILS
Site Regulated Program Information
Site ID: 184414
Site EI ID: 10614910
Agency Provided Latitude: 33.684147
Agency Provided Longitude: -117.33342
Program Description: Chemical Storage Facilities
Program Description: Hazardous Waste Generator
Evaluation Information
Evaluation Date: 11/27/2018
Violations Found? (Y/N): Yes
Evaluation General Type: Other/Unknown
Evaluation Type: Other, not routine, done by local agency Evaluation Note(s): Not Reported
Evaluation Division: Riverside County Department of Env Health Evaluation Program: HMRRP
Evaluation Source: CERS
Evaluation Date: 8/25/2016
Violations Found? (Y/N): No
Evaluation General Type: Other/Unknown
Evaluation Type: Other, not routine, done by local agency Evaluation Note(s): Not Reported
Evaluation Division: Riverside County Department of Env Health More Details Link
800-377-2430 www.RecCheck.com Page 59 2104787850
Copyright 2024 Environmental Record Search (ERS) All Rights Reserved

DATABASE STATUS DISTANCE ELEVATION MAP ID
AIR-DIST-CA Listed 0.24 miles NW 1286 ft
(4 ft higher than site) 17

SITE NAME MAPS ID
J S TECHNOLOGIES INC, JOHN SUHN, DBA 1, 2, 4 118612-SC

ADDRESS CITY ZIP
18650 COLLIER AVE UNIT A LAKE ELSINORE 92530

DETAILS
District: South Coast AQMD
Compliance URL:
https://xappprod.aqmd.gov/find//facility/AQMDsearch?facilityID=118612 Note: For additional Facility, Equipment, Emissions, Hearing Board or Transporation Plan Information click on different tabs.

Facility Id: 118612
County Code: RV
County: Riverside
Facility Status Code: A
Facility Status: ACTIVE
Number of Employees: 8
Location Zip Code Extension: Not Reported
Facility Representative First Name: ROBERT
Facility Representative Last Name: SUMMERS
Location Area Code: 310
Location Phone Number: 5052559
Location Phone Extension: Not Reported
Mailing Address: 18650 COLLIER AVE UNIT A
Mailing City: LAKE ELSINORE
Mailing State: CA
Mailing Zip Code: 92530
Mailing Zip Code Extension: Not Reported
Mailing Area Code: 310
Mailing Phone Number: 5052559
Mailing Phone Extension: Not Reported
Mailing Representative First Name: ROBERT
Mailing Representative Last Name: SUMMERS
More Details Link
800-377-2430 www.RecCheck.com Page 60 2104787850
Copyright 2024 Environmental Record Search (ERS) All Rights Reserved

DATABASE STATUS DISTANCE ELEVATION MAP ID
WDR-CA Listed 0.24 miles NW 1286 ft
(4 ft higher than site) 17

SITE NAME MAPS ID
Comm Bldg,Lake Elsinore 1, 2, 4 2260

ADDRESS CITY ZIP
18650 Collier Elsinore

DETAILS
Note: This is an ERS assigned Automated ID.

SIC/NAICS: 1541
County: Riverside
Region: 8 - Santa Ana
WDID: 8 332198001
Agency: Ayres & Son Contruction Company
Agency Address: Po Box A, Huntington Beach, CA 92648
Place/Project Type: Other
Program: WDRMUNIOTH
Regulatory Measure Status: Historical
Regulatory Measure Type: WDR
Order Number: 91-03501
NPDES Number: Not Reported
Adoption Date: 3/15/1991
Effective Date: 3/15/1991
Termination Date: Not Reported
Expiration/Review Date: Not Reported
Design Flow: 0.0037
Major/Minor: Not Reported
Complexity: C
TTWQ: 3
Number Of Enforcement Actions within 5 years: 0
Number Of Violations within 5 years: 0
Latitude: Not Reported
Longitude: Not Reported

DATABASE STATUS DISTANCE ELEVATION MAP ID
County-Others-CA Listed 0.25 miles NW 1282 ft
(0 ft higher than site) 18

SITE NAME MAPS ID
Deleo Clay Tile Co Inc. 1, 2, 4 5595-RSD

ADDRESS CITY ZIP
600 Chaney St Lake Elsinore 92530
800-377-2430 www.RecCheck.com Page 61 2104787850
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DETAILS
Agency: Riverside County Department of Environmental Health, Hazardous Materials Management Branch Note: This is an ERS assigned ID
County: Riverside
Type: Disclosure Facility List

DATABASE STATUS DISTANCE ELEVATION MAP ID
County-Others-CA Listed 0.25 miles NW 1282 ft
(0 ft higher than site) 18

SITE NAME MAPS ID
Deleo Clay Tile Co Inc. 1, 2, 4 66698-RSD

ADDRESS CITY ZIP
600 Chaney St Lake Elsinore 92530

DETAILS
Agency: Riverside County Department of Environmental Health Note: This is an ERS assigned ID
County: Riverside
Type: Generator
Agency Provided Latitude: Not Reported
Agency Provided Longitude: Not Reported

DATABASE STATUS DISTANCE ELEVATION MAP ID
ENF-SMARTS-CA Historical 0.25 miles NW 1282 ft
(0 ft higher than site) 18

SITE NAME MAPS ID
Deleo Clay Tile Co 1, 2, 4 411564

ADDRESS CITY ZIP
600 CHANEY ST Lake Elsinore 92530
800-377-2430 www.RecCheck.com Page 62 2104787850
Copyright 2024 Environmental Record Search (ERS) All Rights Reserved

DETAILS
ENFORCEMENT ID: 411564
ENFORCEMENT STATUS: Historical
PLACE NAME: Deleo Clay Tile Co
PLACE ADDRESS: 600 Chaney St
PLACE CITY: Lake Elsinore
PLACE STATE: CA
PLACE ZIP: 92530
PLACE LATITUDE: 33.68415
PLACE LONGITUDE: -117.3344
WASTE DISCHARGE ID: 8 33I014321
APP ID: 210863
ENFORCEMENT TYPE: 1st NNC - AR
ISSUANCE DATE: 8/9/2012
DUE DATE: 9/10/2012
DESCRIPTION: 2011-2012 annual report late submissionSite has not submit the 2011-2012 annual report by 07/02/2012.- 1st Notice of Non-Compliance sent on 08/09/2012, via certified mail to facility, CC to owner.

INITIAL ASSESSMENT: 0
TOTAL ASSESSMENT: 0
RECEIVED AMOUNT: 0
SPENT AMOUNT: 0
BALANCE DUE: 0
COUNT OF VIOLATIONS: 1
PERMIT TYPE: Industrial
REGIONAL BOARD: 8
PLACE COUNTY: Riverside
PLACE TOTAL SIZE: 5
PLACE TOTAL SIZE UNIT: Acres
RECEIVING WATER NAME: Lake Elsinore

DATABASE STATUS DISTANCE ELEVATION MAP ID
ENF-SMARTS-CA Historical 0.25 miles NW 1282 ft
(0 ft higher than site) 18

SITE NAME MAPS ID
Deleo Clay Tile Co 1, 2, 4 232632

ADDRESS CITY ZIP
600 CHANEY ST Lake Elsinore 92530
800-377-2430 www.RecCheck.com Page 63 2104787850
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DETAILS
ENFORCEMENT ID: 232632
ENFORCEMENT STATUS: Historical
PLACE NAME: Deleo Clay Tile Co
PLACE ADDRESS: 600 Chaney St
PLACE CITY: Lake Elsinore
PLACE STATE: CA
PLACE ZIP: 92530
PLACE LATITUDE: 33.68415
PLACE LONGITUDE: -117.3344
WASTE DISCHARGE ID: 8 33I014321
APP ID: 210863
ENFORCEMENT TYPE: NOV
ISSUANCE DATE: 8/18/2000
DESCRIPTION: NOV letter sent 8/18/00
ORDER NUMBER: UNKNOWN
STAFF COSTS: 0
INITIAL ASSESSMENT: 0
TOTAL ASSESSMENT: 0
RECEIVED AMOUNT: 0
SPENT AMOUNT: 0
BALANCE DUE: 0
COMPLIANCE DATE: 8/18/2000
PERMIT TYPE: Industrial
REGIONAL BOARD: 8
PLACE COUNTY: Riverside
PLACE TOTAL SIZE: 5
PLACE TOTAL SIZE UNIT: Acres
More Details Link

DATABASE STATUS DISTANCE ELEVATION MAP ID
ENF-SMARTS-CA Historical 0.25 miles NW 1282 ft
(0 ft higher than site) 18

SITE NAME MAPS ID
Deleo Clay Tile Co 1, 2, 4 233686

ADDRESS CITY ZIP
600 CHANEY ST Lake Elsinore 92530
800-377-2430 www.RecCheck.com Page 64 2104787850
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DETAILS
ENFORCEMENT ID: 233686
ENFORCEMENT STATUS: Historical
PLACE NAME: Deleo Clay Tile Co
PLACE ADDRESS: 600 Chaney St
PLACE CITY: Lake Elsinore
PLACE STATE: CA
PLACE ZIP: 92530
PLACE LATITUDE: 33.68415
PLACE LONGITUDE: -117.3344
WASTE DISCHARGE ID: 8 33I014321
APP ID: 210863
ENFORCEMENT TYPE: NOV
ISSUANCE DATE: 10/26/1999
DESCRIPTION: Notice of Violation for non-submittal of Annual Report CORRECTIVE ACTION: This enforcement action generated from SWRCB NOI database ORDER NUMBER: UNKNOWN
STAFF COSTS: 0
INITIAL ASSESSMENT: 0
TOTAL ASSESSMENT: 0
RECEIVED AMOUNT: 0
SPENT AMOUNT: 0
BALANCE DUE: 0
COMPLIANCE DATE: 10/26/1999
COUNT OF VIOLATIONS: 1
PERMIT TYPE: Industrial
REGIONAL BOARD: 8
PLACE COUNTY: Riverside
More Details Link

DATABASE STATUS DISTANCE ELEVATION MAP ID
ENF-SMARTS-CA Active 0.25 miles NW 1282 ft
(0 ft higher than site) 18

SITE NAME MAPS ID
Deleo Clay Tile Co 1, 2, 4 400585

ADDRESS CITY ZIP
600 CHANEY ST Lake Elsinore 92530
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DETAILS
ENFORCEMENT ID: 400585
ENFORCEMENT STATUS: Active
PLACE NAME: Deleo Clay Tile Co
PLACE ADDRESS: 600 Chaney St
PLACE CITY: Lake Elsinore
PLACE STATE: CA
PLACE ZIP: 92530
PLACE LATITUDE: 33.68415
PLACE LONGITUDE: -117.3344
WASTE DISCHARGE ID: 8 33I014321
APP ID: 210863
ENFORCEMENT TYPE: Verbal Communication
ISSUANCE DATE: 11/10/2009
DESCRIPTION: Sent email with inspection report asking for corrective actions INITIAL ASSESSMENT: 0
TOTAL ASSESSMENT: 0
RECEIVED AMOUNT: 0
SPENT AMOUNT: 0
BALANCE DUE: 0
COUNT OF VIOLATIONS: 2
PERMIT TYPE: Industrial
REGIONAL BOARD: 8
PLACE COUNTY: Riverside
PLACE TOTAL SIZE: 5
PLACE TOTAL SIZE UNIT: Acres
RECEIVING WATER NAME: Lake Elsinore

DATABASE STATUS DISTANCE ELEVATION MAP ID
County-LUST-CA Listed 0.37 miles SE 1275 ft
(7 ft lower than site) 19

SITE NAME MAPS ID
Redman Property 1, 4 94051-RSD

ADDRESS CITY ZIP
520 Riley St Lake Elsinore

DETAILS
Note: The agency has notified ERS that the only status to trust within its database is the closed status. All other statuses should not be trusted and should be reviewed on Geotracker
Site ID: 94051
Closed: R
Employee: Malloy
Status: Not Reported
Case Type: Undefined
800-377-2430 www.RecCheck.com Page 66 2104787850
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DATABASE STATUS DISTANCE ELEVATION MAP ID
LUST-Closed-CA COMPLETED - CASE
CLOSED

0.37 miles SE 1275 ft
(7 ft lower than site) 19

SITE NAME MAPS ID
REDMAN PROPERTY 1, 4 T0606500134

ADDRESS CITY ZIP
520 N Riley St Lake Elsinore 92530

DETAILS
Global ID: T0606500134
Site/Facility Type: LUST CLEANUP SITE
County: RIVERSIDE
Census Tract: 6065043006
EPA Region: 9
Case Type: LUST Cleanup Site
Status Date: 3/10/2014
CUF Case: NO
Lead Agency: SANTA ANA RWQCB (REGION 8)
Local Agency: RIVERSIDE COUNTY LOP
Regional Water Board Case Case Number: 083301248T
Local Agency Case Number: 94051
Potential Contaminants of Concern: Gasoline
Potential Media of Concern: Aquifer used for drinking water supply Site History: .

Case Begin Date: 2/2/1994
Leak Reported Date: 2/2/1994
How Leak was Discovered: Tank Closure
Discharge Source: Other
Discharge Cause: Unknown
No Further Action Date: 3/10/2014
CalWater Watershed Name: Santa Ana River - Lake Mathews - Terra Colta (801.35) DWR Groundwater Sub-Basin Name: Elsinore - Elsinore Valley (8-004.01) CalEnviroScreen 3 Percentile: 81-85%
CalEnviroScreen 4 Percentile: 80-85%
Is the site a Military or DOD site?: No
Regional Board Office Region: SANTA ANA RWQCB (REGION 8) More Details Link
800-377-2430 www.RecCheck.com Page 67 2104787850
Copyright 2024 Environmental Record Search (ERS) All Rights Reserved

DATABASE STATUS DISTANCE ELEVATION MAP ID
County-LUST-Closed-CA Closed 0.39 miles S 1274 ft
(8 ft lower than site) 20

SITE NAME MAPS ID
City Yard 1, 4 88062-RSD

ADDRESS CITY ZIP
521 N Langstaff St Lake Elsinore

DETAILS
Site ID: 88062
Closed: Y
Employee: Rogers
Status: Closed/Action Completed
Case Type: Soil only is impacted

DATABASE STATUS DISTANCE ELEVATION MAP ID
LUST-Closed-CA COMPLETED - CASE
CLOSED

0.39 miles S 1274 ft
(8 ft lower than site) 20

SITE NAME MAPS ID
CITY YARD 1, 4 T0606500084

ADDRESS CITY ZIP
521 N Langstaff St Lake Elsinore 92530
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DETAILS
Global ID: T0606500084
Site/Facility Type: LUST CLEANUP SITE
County: RIVERSIDE
Census Tract: 6065043006
EPA Region: 9
Case Type: LUST Cleanup Site
Status Date: 10/30/1989
CUF Case: NO
Lead Agency: RIVERSIDE COUNTY LOP
Case Manager: RIV
Local Agency: RIVERSIDE COUNTY LOP
Regional Water Board Case Case Number: 083300791T
Local Agency Case Number: 88062
File Location: Local Agency Warehouse
Potential Contaminants of Concern: Diesel
Potential Media of Concern: Aquifer used for drinking water supply Case Begin Date: 12/9/1987
Leak Reported Date: 1/5/1988
How Leak was Discovered: Tank Closure
Discharge Source: Other
Discharge Cause: Overfill
How Leak was Stopped: Close and Remove Tank, Remove Contents No Further Action Date: 10/30/1989
CalWater Watershed Name: Santa Ana River - Lake Mathews - Terra Colta (801.35) DWR Groundwater Sub-Basin Name: Elsinore - Elsinore Valley (8-004.01) CalEnviroScreen 3 Percentile: 81-85%
CalEnviroScreen 4 Percentile: 80-85%
More Details Link

DATABASE STATUS DISTANCE ELEVATION MAP ID
SWIS-CA Listed 0.39 miles NW 1286 ft
(4 ft higher than site) 21

SITE NAME MAPS ID
Elsinore Valley Cemetary Dist 1, 4 2488

ADDRESS CITY ZIP
18170 Collier Ave Lake Elsinore 92530
800-377-2430 www.RecCheck.com Page 69 2104787850
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DETAILS
Site ID: 2488
SWIS Number: 33-CR-0026
Site Name: Elsinore Valley Cemetary Dist
Point of Contact: Angela Gomez
Operational Status: To be Determined
Regulatory Status: TBD (Pending Investigation)
Site Type: Disposal Only
Operator: Akins J W
Owner: County Of Riverside Cemetary District
Owner Name:

Owner Phone: (909) 638-1840
Owner Address: 4414 14th St
Owner City: Riverside
Owner State: CA
Owner ZIP: 92501
Operator Contact Name: James W. Akins
Operator Phone: (909) 674-2418
Operator Address: 18170 Collier St.

Operator City: Elsinore
Is Archived: Yes
Is Closed Illegal Abandoned: No
Is Site Inert Debris Engineered Fill: No
Is Financial Assurances Responsible: No
County: Riverside
ARB District: South Coast
SWRCB Region: Santa Ana
Local Government: Lake Elsinore
More Details Link

DATABASE STATUS DISTANCE ELEVATION MAP ID
County-LUST-Closed-CA Closed 0.49 miles SE 1277 ft
(5 ft lower than site) 22

SITE NAME MAPS ID
Big Al Oil Co 1, 4 91081-RSD

ADDRESS CITY ZIP
501 N Spring St Lake Elsinore
800-377-2430 www.RecCheck.com Page 70 2104787850
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DETAILS
Site ID: 91081
Closed: Y
Employee: Shurlow-LOP
Status: Closed/Action Completed
Case Type: An Aquifer used for Drinking Water Supply has been contaminated. 800-377-2430 www.RecCheck.com Page 71 2104787850
Copyright 2024 Environmental Record Search (ERS) All Rights Reserved

RECORDS SOURCES SEARCHED

ABREVIATION DATABASE FULLNAME DATABASE CATEGORY DATABASE

DETAILS LINK
TOTAL

LISTINGS
Air-CA Air Permits with Emissions ERS Supplemental Govt Sources
Click Here None Found
AIR-DIST-CA Air Pollution Control District ERS Supplemental Govt Sources
Click Here 4
AST-CA Aboveground Storage Tanks State/Tribal UST Click Here None Found BF-MOA-CA Brownfield MOA Sites (aka
Considered Brownfield Sites, SWRCB
MOA, Brownfield Memorandum of
Agreement)
State/Tribal Brownfield Click Here None Found
BF-Tribal-US Tribal Brownfields Federal Brownfield Click Here None Found BF-US Brownfields Sites Federal Brownfields Click Here None Found BioFuel-US Bio Diesel Fuel ERS Supplemental Govt
Sources
Click Here None Found
BZ-HazWasteCA
Border Zone or Hazardous Waste
Property
State/Tribal ASTM Other
Med
Click Here None Found
CAF-CA Confined Animal Facilities ERS Supplemental Govt Sources
Click Here None Found
CDL-CA Clandestine Drug Labs ERS Supplemental Govt
Sources
Click Here None Found
CDL-US National Clandestine Drug Lab
Register
ERS Supplemental Govt
Sources
Click Here None Found
CERS-CA California Environmental Reporting
System (CERS)
State/Tribal ASTM Other
Med
Click Here 1
CHMIRS-CA California Hazardous Material
Incident Report System
Emergency Release
Reports
Click Here None Found
CHWF-CA Commercial Offsite Hazardous Waste
Facilities
ERS Supplemental Govt
Sources
Click Here None Found
City-AST-CA Underground Storage Tanks State/Tribal UST Click Here None Found City-CUPA-CA Certified Unified Program Agency State/Tribal ASTM Other Med
Click Here None Found
City-Others-CA Hazardous Material Facilities State/Tribal ASTM Other Med
Click Here None Found
City-UST-CA City Agency Underground Storage
Tanks
State/Tribal UST Click Here None Found
Cleaners-CA Cleaners ERS Supplemental Govt
Sources
Click Here None Found
Coal-AshDams-US
Coal Ash Contaminated Sites and
Hazard Dams
ERS Supplemental Govt
Sources
Click Here None Found
Controls-CA California sites with Deed Restrictions
or other Controls
State/Tribal Inst/Eng
Controls
Click Here None Found
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LISTINGS
ControlsRCRA-US
RCRA Institutional and Engineering
Controls Summary (aka Federal
RCRA with Controls)
Federal
Institutional/Engineering
Controls
Click Here None Found
Controls-US US CERCLA Sites with Controls (aka
US IC/EC, Institutional/Engineering
List Controls, Land Use Controls)
Federal
Institutional/Engineering
Controls
Click Here None Found
CorAct-ClosedCA
Corrective Action Sites State/Tribal ASTM Other
Low
Click Here None Found
CorAct-OpenCA
Corrective Action Sites State/Tribal ASTM Other
High
Click Here None Found
CorAct-OtherCA
Corrective Action Sites State/Tribal ASTM Other
Low
Click Here None Found
CORTESE-CA Cortese Hazardous Waste &
Substances Sites List
State/Tribal ASTM Other
Med
Click Here None Found
County-ASTCA
Aboveground Storage Tanks State/Tribal UST Click Here None Found County-BI-CA Business Inventory ERS Supplemental Govt
Sources
Click Here None Found
County-HistCA
Historic Environmental County
Listings
State/Tribal ASTM Other
Med
Click Here None Found
County-LUSTCA
County Agency Leaking Underground
Storage Tanks
State/Tribal LUST Click Here 1
County-LUSTClosed-CA
County Agency Leaking Underground
Storage Tanks, Closed Cases
State/Tribal LUST Click Here 2
County-LUSTOpen-CA
County Agency Leaking Underground
Storage Tanks, Open Cases
State/Tribal LUST Click Here None Found
County-OthersCA
Environmental Related Databases State/Tribal ASTM Other Med
Click Here 9
County-SLICClosed-CA
County SLIC Sites Emergency Release
Reports
Click Here None Found
County-SLICOpen-CA
County SLIC Sites Emergency Release
Reports
Click Here None Found
County-SMLCA
County Site Mitigation Unit List State/Tribal ASTM Other Med
Click Here None Found
County-SWFCA
County Solid Waste Facilities State/Tribal Landfill/Solid Waste
Click Here None Found
County-USTCA
County Agency Underground Storage
Tanks
State/Tribal UST Click Here None Found
CRSP-CA Cal EPA Regulated Site Portal State/Tribal ASTM Other Med
Click Here 10
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ABREVIATION DATABASE FULLNAME DATABASE CATEGORY DATABASE

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LISTINGS
CUPA-CA Certified Unified Program Agency State/Tribal ASTM Other Med
Click Here None Found
Dams-CA California Dams ERS Supplemental Govt
Sources
Click Here None Found
Debris-Reg9-
US
Debris Region 9 Torres Martinez
Reservation Illegal dump Site
Locations
Federal Solid Waste Click Here None Found
Deed-CA Deed Restrictions/Land Use
Restrictions
State/Tribal Inst/Eng
Controls
Click Here None Found
DPR-CA Pesticide Regulation Licenses ERS Supplemental Govt Sources
Click Here None Found
DryCleanersCA
Dry Cleaner Facilities ERS Supplemental Govt
Sources
Click Here None Found
EGRID-US Emissions & Generation Resource
Facilities
ERS Supplemental Govt
Sources
Click Here None Found
ENF-CA Enforcement Actions Data State/Tribal ASTM Other Med
Click Here 1
ENF-SMARTSCA
Storm Water Enforcement Actions State/Tribal ASTM Other Med
Click Here 4
ENFWastewaterCA
Wastewater Enforcement Actions State/Tribal ASTM Other
Med
Click Here 4
EPA-WatchList-US
Historical EPA Watch List ERS Supplemental Govt
Sources
Click Here None Found
ERNS-US Emergency Response Notification
System
Federal ERNS Click Here None Found
Eval-HistActive-CA
EnviroStor Evaluation History Sites State/Tribal ASTM Other Click Here None Found Eval-Hist-NFACA
EnviroStor Database Evaluation
History NFA Sites
State/Tribal ASTM Other Click Here None Found
Eval-HistOther-CA
EnviroStor Database Evaluation
History NFA Sites
State/Tribal ASTM Other Click Here None Found
FA-HW-CA Financial Assurance, Hazardous
Waste
ERS Supplemental Govt
Sources
Click Here None Found
FA-HW-US Financial Assurance, Hazardous
Waste
ERS Supplemental Govt
Sources
Click Here None Found
FA-SWF-CA Financial Assurance, Solid Waste
Facilities
ERS Supplemental Govt
Sources
Click Here None Found
FRS-US Facility Registry Index (FINDS) ERS Supplemental Govt Sources
Click Here 2
FTTS-ENF-US Historical FIFRA/TSCA Tracking
System (FTTS) Enforcement Actions
Federal ASTM Other Click Here None Found
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LISTINGS
FTTS-INSP-US Historical FIFRA/TSCA Tracking
System (FTTS) Inspections
ERS Supplemental Govt
Sources
Click Here None Found
FUDS-US Formerly Used Defense Sites ERS Supplemental Govt Sources
Click Here None Found
FUSRAP-US Formerly Utilized Sites Remedial
Action Program Sites
ERS Supplemental Govt
Sources
Click Here None Found
Haulers-CA Registered Waste Tire Haulers Listing ERS Supplemental Govt Sources
Click Here None Found
HazWaste-CA Hazardous Waste Facilities State/Tribal ASTM Other Med
Click Here None Found
Hist-AFS2-US Historical Air Facility System for
Clean Air Act stationary sources
ERS Supplemental Govt
Sources
Click Here None Found
Hist-AFS-US Historical Air Facility System for
Clean Air Act stationary sources
ERS Supplemental Govt
Sources
Click Here None Found
Hist-Agriculture Historical Ranches/Farms,
Livestock/Agriculture
ERS Exclusive Historic
Sources
Click Here None Found
Hist-AST2-CA Historical Aboveground Storage
Tanks
State/Tribal UST Click Here None Found
Hist-AST-CA Historical Aboveground Storage
Tanks
ERS Supplemental Govt
Sources
Click Here None Found
Hist-Auto
Dealers
Historical Auto and Truck Dealers ERS Exclusive Historic Sources
Click Here None Found
Hist-Auto
Repair
Historical Automotive Repair ERS Exclusive Historic
Sources
Click Here 1
Hist-AWS-CA Historical Annual Workplan Sites ERS Supplemental Govt Sources
Click Here None Found
Hist-CA Previously Listed California Sites ERS Supplemental Govt Sources
Click Here None Found
Hist-CalFID-CA Historical Facility Inventory Database ERS Supplemental Govt Sources
Click Here None Found
HistCALSITES-CA
Historical Calsites Database ERS Supplemental Govt
Sources
Click Here None Found
Hist-CERCLISNFRAP-US
Historical CERCLIS-NFRAP ERS Supplemental Govt
Sources
Click Here None Found
Hist-CERCLISUS
Historical CERCLIS Sites ERS Supplemental Govt
Sources
Click Here None Found
Hist-Chemical
Manufacturing
Historical Manufacturing and
Distribution of Chemicals, Gases,
and/or Solids
ERS Exclusive Historic
Sources
Click Here None Found
Hist-ChemicalStorage
Historical Chemical/Hazardous Use
Storage
ERS Exclusive Historic
Sources
Click Here None Found
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LISTINGS
Hist-City-USTCA
Historical Underground Storage
Tanks
ERS Supplemental Govt
Sources
Click Here None Found
Hist-Cleaners Historical Laundry, Cleaners, and Dry
Cleaning Services
ERS Exclusive Historic
Sources
Click Here None Found
Hist-ControlsCA
Historical Restricted Use Sites State/Tribal Inst/Eng
Controls
Click Here None Found
HistConvenience
Historical Convenience Store with
Possible Gas
ERS Exclusive Historic
Sources
Click Here None Found
Hist-Cort-CA Historical Cortese list State/Tribal ASTM Other Med
Click Here None Found
Hist-Deed-CA Historical Deed Restriction Properties ERS Supplemental Govt Sources
Click Here None Found
Hist-DisposalRecycle
Historical Hazardous
Disposal/Recycle and Dumps/Waste
ERS Exclusive Historic
Sources
Click Here None Found
Hist-DTG-CA Depth to Groundwater ERS Supplemental Govt
Sources
Click Here None Found
Hist-DumpsUS
Historical Dumps Inventory of 1985 Federal Solid Waste Click Here None Found Hist-ERNS-US Historical Emergency Response
Notification System (ERNS)
ERS Supplemental Govt
Sources
Click Here None Found
Hist-FEMAUST-US
Historical FEMA Underground
Storage Tanks
Federal UST Click Here None Found
Hist-FIFRA-US Historical Case Administration Data
from National Compliance Database
(Federal Insecticide, Fungicide, and
Rodenticide Act)
ERS Supplemental Govt
Sources
Click Here None Found
Hist-FINDS-US Historical Facility Index System ERS Supplemental Govt Sources
Click Here None Found
Hist-FoodProcessors
Historical Food Processing
Manufacturers
ERS Exclusive Historic
Sources
Click Here None Found
Hist-GunRanges
Historical Gun Ranges/Clubs ERS Exclusive Historic
Sources
Click Here None Found
Hist-HWS-CA Historical Cortese List-Hazardous
Waste Substance Site List
ERS Supplemental Govt
Sources
Click Here None Found
Hist-LUSTISCA
Historical Lust Information System
(LUSTIS)
ERS Supplemental Govt
Sources
Click Here 2
Hist-Machine
Shop
Historical Machine Shops, Welding,
Machine Repair
ERS Exclusive Historic
Sources
Click Here None Found
HistManufacturing
Historical Sources US: Manufacturing ERS Exclusive Historic Sources
Click Here None Found
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LISTINGS
Hist-Metal
Plating
Historical Metal Plating ERS Exclusive Historic
Sources
Click Here None Found
Hist-Mining Historical Mining Operations ERS Exclusive Historic Sources
Click Here None Found
HIST-MLTSUS
Historical Material Licensing Tracking
System
ERS Supplemental Govt
Sources
Click Here None Found
Hist-Mortuaries Historical Crematories/Mortuaries ERS Exclusive Historic Sources
Click Here None Found
HIST-MTBECA
Historical Sites With MTBE (Methyl
Tertiary‑Butyl Ether) Contamination
ERS Supplemental Govt
Sources
Click Here None Found
Hist-NPL-US Historical National Priority List ERS Supplemental Govt Sources
Click Here None Found
Hist-Oil-Gas Historical Oil and Gas Well Related
Facilities
ERS Exclusive Historic
Sources
Click Here None Found
Hist-OilGasRefiners
Historical Oil/Gas
Refiners/Manufacturers/Plants
ERS Exclusive Historic
Sources
Click Here None Found
Hist-OrangeCounty-LF-CA
Historical Orange County Landfills ERS Supplemental Govt Sources
Click Here None Found
Historical-CA Historical Sites ERS Supplemental Govt
Sources
Click Here None Found
Hist-Other Historical Environmental Facilities ERS Exclusive Historic Sources
Click Here None Found
Hist-PaintStores
Historical Paint Stores ERS Exclusive Historic
Sources
Click Here None Found
Hist-Petroleum Historical Petroleum Refining/
Manufacturing/ Chemicals
ERS Exclusive Historic
Sources
Click Here None Found
Hist-PostOffices
Historical Post Offices ERS Exclusive Historic
Sources
Click Here None Found
Hist-Printers Historical Printers and Publishers ERS Exclusive Historic Sources
Click Here None Found
Hist-Prop65-
CA
Historical Prop 65 Sites ERS Supplemental Govt
Sources
Click Here None Found
HIST-R4-CA Historical sites State/Tribal ASTM Other
Med
Click Here None Found
Hist-RCRIS-US Historical EPA's Resource
Conservation and Recovery Act
ERS Supplemental Govt
Sources
Click Here None Found
Hist-RegionalLUST-CA
Historical Leaking Underground
Storage Tanks
ERS Supplemental Govt
Sources
Click Here None Found
Hist-RegionalOther-CA
Historical Toxic Lists, Site Mitigation,
and Groundwater Cleanup Program
ERS Supplemental Govt
Sources
Click Here None Found
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LISTINGS
Hist-RegionalSLIC-CA
Historical Spills and Leak Sites ERS Supplemental Govt
Sources
Click Here None Found
Hist-RegionalSpills-CA
Historical Industrial Cleanup Sites ERS Supplemental Govt Sources
Click Here None Found
Hist-RegionalSWLF-CA
Historical County Landfills and
Transfer Stations
ERS Supplemental Govt
Sources
Click Here None Found
Hist-RegionalUST-CA
Historical Underground Storage
Tanks
ERS Supplemental Govt
Sources
Click Here 2
Hist-Rental Historical Rental Equipment & Yards ERS Exclusive Historic Sources
Click Here None Found
Hist-RVDealers
Historical Trailer and Recreational
Vehicle Dealers
ERS Exclusive Historic
Sources
Click Here None Found
Hist-Salvage Historical Vehicle Salvage Yards or
Wreckers
ERS Exclusive Historic
Sources
Click Here None Found
Hist-SCL-CA Historical California Cerclis Sites ERS Supplemental Govt Sources
Click Here None Found
Hist-Service
Stations
Historical Service Stations/Vehicle
Fueling
ERS Exclusive Historic
Sources
Click Here None Found
HIST-SLIC-CVCLOSED-CA
Historical Central Valley Spills and
Leak Sites
Emergency Release
Reports
Click Here None Found
HIST-SLIC-CVOPEN-CA
Historical Central Valley Spills and
Leak Sites
Emergency Release
Reports
Click Here None Found
Hist-SteelMetals
Historical Steel
Mills/Manufacturers/Foundries/Smelte
rs
ERS Exclusive Historic
Sources
Click Here None Found
Hist-SWIS-CA Historical Solid Waste Information
System (SWIS)
ERS Supplemental Govt
Sources
Click Here None Found
Hist-Textile Historical Textile Mills/Manufacturers ERS Exclusive Historic Sources
Click Here None Found
Hist-ToxicPitsCA
Historical Toxic Pits Cleanup
Facilities
ERS Supplemental Govt
Sources
Click Here None Found
HistTransportation
Historical Transportation Facilities ERS Exclusive Historic Sources
Click Here None Found
Hist-TRIS-US Historical Toxic Release Inventory
System
ERS Supplemental Govt
Sources
Click Here None Found
Hist-Trucking Historical Trucking, Shipping,
Delivery, and/or Storage
ERS Exclusive Historic
Sources
Click Here None Found
Hist-US Historical Previously Listed Federal
Sites
ERS Supplemental Govt
Sources
Click Here None Found
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TOTAL

LISTINGS
Hist-US-EC Historical Engineering Controls Sites
(aka US EC, Engineering Controls,
Land Use Controls)
Federal
Institutional/Engineering
Controls
Click Here None Found
Hist-USGSWaterWells-CA
Historical Ground Water Site
Inventory for California
ERS Supplemental Govt
Sources
Click Here None Found
Hist-US-IC Historical Sites with Institutional
Controls (aka US IC, Institutional
Controls, Land Use Controls)
Federal
Institutional/Engineering
Controls
Click Here None Found
Hist-UST-CA Historical Hazardous Substance
Storage Infirmation (aka Historical
Underground Storage Tanks)
State/Tribal UST Click Here 4
Hist-USTCleanup-CA
Historic UST Cases Recommended
for Closure under UST Cleanup Fund
5 Year Review (aka UST Cleanup
Fund Cases)
State/Tribal LUST Click Here None Found
Hist-USTRegCA
Historical Underground Storage Tank
Registrations Database
ERS Supplemental Govt
Sources
Click Here 1
Hist-VehicleParts
Historical Vehicle Parts ERS Exclusive Historic
Sources
Click Here None Found
Hist-VehicleWashing
Historical Vehicle/Truck Washing
Facilities
ERS Exclusive Historic
Sources
Click Here None Found
HistWaterWells-US
Historical Public Community Water
Supply/Well Head Protection
Database
ERS Supplemental Govt
Sources
Click Here None Found
Hist-WIPActive-CA
Historical Well Investigation Program
Case List, Active Sites (aka WIP)
State/Tribal ASTM Other
Med
Click Here None Found
Hist-WIPBacklog-CA
Historical Well Investigation Program
Case List, Backlog Sites (aka WIP)
State/Tribal ASTM Other
Med
Click Here None Found
Hist-WIPHistorical-CA
Historical Well Investigation Program
Case List, Historical Sites (aka WIP)
State/Tribal ASTM Other
Low
Click Here None Found
Hist-WMUDSCA
Historical Waste Management Unit
Database System
ERS Supplemental Govt
Sources
Click Here None Found
HMIS-US Hazardous Materials Information
System
Federal Emergency
Release Reports
Click Here None Found
HWIS-CA Hazardous Waste Information
Summary
State/Tribal RCRA
Equivalent
Click Here 2
HWMPControls-CA
Hazardous Waste Management
Program Facility Sites with Deed /
Land Use Restriction
State/Tribal Inst/Eng
Controls
Click Here None Found
HWT-CA Hazardous Waste Transporters ERS Supplemental Govt Sources
Click Here 1
ICE-CA Inspection, Compliance, and
Enforcement
State/Tribal ASTM Other
Med
Click Here None Found
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LISTINGS
ICIS-Air-US Integrated Compliance Information
System for Air
ERS Supplemental Govt
Sources
Click Here None Found
ICIS-FEC-US Integrated Compliance Information
System for Federal Enforcement Data
ERS Supplemental Govt
Sources
Click Here None Found
ICIS-NPDESUS
National Pollutant Discharge
Elimination System (NPDES)
ERS Supplemental Govt
Sources
Click Here None Found
LA-LF-CA Los Angeles County Landfills State/Tribal Solid Waste Click Here None Found Land-DisposalCA
Geotracker - Land Disposal Sites
(aka Landfills, LDS)
State/Tribal Landfill/Solid
Waste
Click Here None Found
LA-WasteHaulers-CA
Waste Haulers ERS Supplemental Govt
Sources
Click Here None Found
Lead-Smelter2-US
Historical Lead Smelter Sites ERS Supplemental Govt
Sources
Click Here None Found
Lead-US Lead Smelter Sites ERS Supplemental Govt
Sources
Click Here None Found
Liens-CA Environmental Liens State/Tribal Inst/Eng
Controls
Click Here None Found
LIENS-US Superfund Liens Federal
Institutional/Engineering
Controls
Click Here None Found
LMOP-US Landfill Methane Outreach Program ERS Supplemental Govt Sources
Click Here None Found
LUST-ClosedCA
Geotracker - Leaking Underground
Storage Tanks, Closed Cases
State/Tribal LUST Click Here 4
LUST-OpenCA
Geotracker - Leaking Underground
Storage Tanks, Open Cases
State/Tribal LUST Click Here None Found
Manifest2-RI Hazardous Waste Manifest State/Tribal RCRA Equivalent
Click Here None Found
MethaneLF-CA Methane Producing Landfills State/Tribal Other Click Here None Found Military-ActiveCA
EnviroStor Database Military Active
Sites (aka MCS)
State/Tribal Voluntary
Cleanup Sites
Click Here None Found
Military-BasesUS
Military Base Boundaries ERS Supplemental Govt
Sources
Click Here None Found
Military-NFACA
EnviroStor Database Military Active
Sites (aka MCS)
State/Tribal Voluntary
Cleanup Sites
Click Here None Found
Military-OtherCA
EnviroStor Database Military Active
Sites (aka MCS)
State/Tribal Voluntary
Cleanup Sites
Click Here None Found
Military-USTCA
Underground Storage Tanks State/Tribal UST Click Here None Found 800-377-2430 www.RecCheck.com Page 80 2104787850
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LISTINGS
Mines2-CA California Mines ERS Supplemental Govt
Sources
Click Here None Found
Mines-CA Historical Death Valley Mines ERS Supplemental Govt Sources
Click Here None Found
Mines-CDMGCA
California Division of Mines and
Geology
ERS Supplemental Govt
Sources
Click Here None Found
MINES-US Mines Master Index File ERS Supplemental Govt
Sources
Click Here None Found
MLTS-US Material Licensing Tracking System ERS Supplemental Govt Sources
Click Here None Found
Mortgage-CA Cal Mortgage Facilities ERS Supplemental Govt Sources
Click Here None Found
MRDS-US Mineral Resources Data System
(MRDS)
ERS Supplemental Govt
Sources
Click Here None Found
MWMP-CA Medical Waste Management Program ERS Supplemental Govt Sources
Click Here None Found
NCI-CA Non-Case Information ERS Supplemental Govt
Sources
Click Here None Found
NEI-LF-CA Historical NEI (National Emission
Inventory) Landfill Point Sources
ERS Supplemental Govt
Sources
Click Here None Found
NPDES-CA National Pollutant Discharge
Elimination System
ERS Supplemental Govt
Sources
Click Here None Found
NPDES-SWCA
Notice of Intent Data ERS Supplemental Govt
Sources
Click Here None Found
NPLBoundaries-US
NPL Boundaries Federal NPL Click Here None Found
NPL-DelistedUS
Delisted NPL Sites Federal Delisted NPL Click Here None Found NPL-ProposedUS
Proposed NPL Sites Federal NPL Click Here None Found
NPL-US National Priorities List Federal NPL Click Here None Found OGM-CA Oil and Gas Monitoring ERS Supplemental Govt
Sources
Click Here None Found
OGW-CA California Oil and Gas Wells ERS Supplemental Govt Sources
Click Here None Found
OSCF-CA Orphan Site Cleanup Fund ERS Supplemental Govt
Sources
Click Here None Found
PADS-US PCB Registration Database System Federal ASTM Other Click Here None Found PCB-US PCB Transformers Federal ASTM Other Click Here None Found PCS-US Historical Permit Compliance System
for Clean Water Act
ERS Supplemental Govt
Sources
Click Here None Found
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LISTINGS
Perch1-CA Perchlorate Confirmed Contaminant
Sites
ERS Supplemental Govt
Sources
Click Here None Found
Perch2-CA Perchlorate Confirmed Contaminant
Sites
ERS Supplemental Govt
Sources
Click Here None Found
PR-MOA-CA Polanco Redevelopment MOA Sites State/Tribal ASTM Other Med
Click Here None Found
Project-CA Project - Multipurpose Site Type ERS Supplemental Govt Sources
Click Here None Found
RADINFO-US Radiation Information Database ERS Supplemental Govt Sources
Click Here None Found
RCRACESQG-US
Resource Conservation and
Recovery Act, Conditionally Exempt
Small Quantity Generators (aka

RCRA CESQG)
Federal RCRA Generators Click Here None Found
RCRA-CORUS
Resource Conservation and
Recovery Act, - Corrective Actions
(aka RCRA CORRACTS)
Federal RCRA

CORRACTS
Click Here None Found
RCRA-LQGUS
Resource Conservation and
Recovery Act, Large Quantity
Generators (aka RCRA LQG)
Federal RCRA Generators Click Here None Found
RCRA-NONUS
Resource Conservation and
Recovery Act, Non-Hazardous
Generators (aka RCRA Non-Haz,
RCRA NonGen, RCRA No longer
Regulated)
Federal RCRA Generators Click Here 7
RCRA-SQGUS
Resource Conservation and
Recovery Act, Small Quantity
Generators (aka RCRA SQG)
Federal RCRA Generators Click Here 2
RCRA-TSDFUS
Resource Conservation and
Recovery Act -, Treatment, Storage,
and Disposal Facilities (aka RCRA

TSD, RCRA TSDF)
Federal RCRA nonCORRACTS TSD
Click Here None Found
Response-CA State Response Sites and National
Priorities List (NPL)
State/Tribal NPL Click Here None Found
RFG-Lab-US Reformulated Gasoline (RFG) ERS Supplemental Govt Sources
Click Here None Found
RMP-US Risk Management Plans ERS Supplemental Govt
Sources
Click Here None Found
ROD-US Records of Decision ERS Supplemental Govt
Sources
Click Here None Found
SAAAgreementsUS
Sites with Superfund Alternative
Approach Agreements
Federal ASTM Other Click Here None Found
School-ActiveCA
EnviroStor Database School Active
Sites (aka School Property Evaluation
Program, SCH)
State/Tribal Voluntary
Cleanup Sites
Click Here None Found
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LISTINGS
School-NFACA
EnviroStor Database School Active
Sites (aka School Property Evaluation
Program, SCH)
State/Tribal Voluntary
Cleanup Sites
Click Here None Found
School-OtherCA
EnviroStor Database School Active
Sites (aka School Property Evaluation
Program, SCH)
State/Tribal Voluntary
Cleanup Sites
Click Here None Found
SCP-ClosedCA
Site Cleanup Program, Closed Cases Emergency Release
Reports
Click Here None Found
SCP-Open-CA Site Cleanup Program, Open Cases Emergency Release Reports
Click Here None Found
SDWIS-US Safe Drinking Water Information
System
ERS Supplemental Govt
Sources
Click Here None Found
SEMS-ActiveUS
Comprehensive Environmental
Response, Compensation, and
Liability Information System
Federal CERCLIS Click Here None Found
SEMSArchived-US
CERCLIS sites that have been
archived
Federal CERCLIS NFRAP Click Here None Found
SGV-DeepPlumes-CA
San Gabriel Valley Deep Plumes State/Tribal Solid Waste Click Here None Found SGV-ShallowPlumes-CA
San Gabriel Valley Shallow Plumes State/Tribal Solid Waste Click Here None Found SGV-ShallowPlumesPuente-ValleyCA
Puente Valley Shallow Plumes State/Tribal Solid Waste Click Here None Found SML-CA Site Mitigation List State/Tribal ASTM Other
Med
Click Here None Found
SP-CA Sampling Points ERS Supplemental Govt
Sources
Click Here None Found
Spills-SSO-CA Sanitary Sewer System ERS Supplemental Govt Sources
Click Here None Found
SSTS-US Section 7 Tracking System ERS Supplemental Govt Sources
Click Here None Found
StateResponseActive-CA
EnviroStor State Response Active
Sites
State/Tribal NPL Click Here None Found
StateResponseNFA-CA
EnviroStor State Response NFA Sites State/Tribal NPL Click Here None Found StateResponseOther-CA
EnviroStor State Response Other
Sites
State/Tribal NPL Click Here None Found
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LISTINGS
SuperfundActive-CA
Envirorstor Superfund Active Sites
(aka BEAP, CalSites, Brownfields and
Environmental Restoration Program)
State/Tribal CERCLIS
Equivalent
Click Here None Found
SuperfundNFA-CA
EnviroStor Superfund NFA Sites (aka
BEAP, CalSites, Brownfields and
Environmental Restoration Program)
State/Tribal CERCLIS
Equivalent
Click Here None Found
SuperfundOther-CA
EnviroStor Superfund Sites (aka
BEAP, CalSites, Brownfields and
Environmental Restoration Program)
State/Tribal CERCLIS
Equivalent
Click Here None Found
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Copyright 2024 Environmental Record Search (ERS) All Rights Reserved Appendix F
Hydrology and Hydraulic Calculations,
Collier Commercial Properties
C mmercial Properties
1-16-2023
January 16, 2023
Hydrology and Hydraulic Calculations
ollier Co
City of Lake of Elsinore, CA 92530
APN(s) 377-190-02,03,04
Prepared For:

COLLIER COMMERCIAL PROPERTIES
29400 Enterprise Way
Lake Elsinore, CA 92530
Phone No. (949) 275-8880
Prepared by:

NM Civil Engineering, Inc.
22880 Van Buren Street
Grand Terrace, CA 92313
Phone: (951)712-0623
Email: [email protected]

HYDROLOGY & HYDRAULICS REPORT
Table of Contents
Table of Contents No.

Table of Contents i
Exhibits ii
Attachments iii
A. Introduction 1

1.1 Purpose & Scope 1

1.2 Project Overview 1

1.3 Existing Conditions Off-Site Areas 1

1.4 Existing Conditions On-Site Areas 1

1.5 References 1
B. Methodology 2

1.1 General Methodology 2

1.2 Sources of Topography 2

1.3 Watershed Precipitation 2

1.4 Rational Hydrology Method Calculations 2
C. Existing Conditions Hydrology Calculations & Summary 3

1.1 Existing Conditions Rational Method Calculations 3
D. Developed Conditions Hydrology Calculations 4

1.1 Developed Conditions Rational Method Calculations 4 E. Summary & Conclusion 5

1.1 Summary 5

1.2 Conclusion 5
NM Civil Engineering, Inc. Hydrology and Hydraulics Report Page i January 2022

HYDROLOGY AND HYDRAULICS REPORT
Exhibits
Exhibit No.

Project Watershed - Aerial Orthophoto A
Standard Intensity-Duration Curves Data, Plate D-4.1 B
Runoff Index Numbers for Pervious Areas Plate E-6.1 C
Impervious Cover for Developed Areas D
Hydrologic Soils Group Map for Elsinore, Plate C-1.41 E Existing Hydrologic Conditions Study Map F
Developed Hydrologic Conditions Study Map G
NM Civil Engineering, Inc. Hydrology and Hydraulics Report Page ii January 2022

a
a
a
a

HYDROLOGY & HYDRAULICS REPORT
Attachments
Attachments No.

Existing Conditions 10- Year, 10-Minutes Standard Intensity-Duration Curve Dat 1 Existing Conditions 100- Year, 10-Minutes Standard Intensity-Duration Curve Dat 2 Developed Conditions 10- Year, 1-Hour Standard Intensity-Duration Curve Dat 3 Developed Conditions 100- Year, 1-Hour Standard Intensity-Duration Curve Dat 4 NM Civil Engineering, Inc. Hydrology and Hydraulics Report Page iii January 2021

•
•
•
•
•

HYDROLOGY AND HYDRAULICS REPORT
A. Introduction

1.1 Purpose & Scope
The following Hydrology & Hydraulics Study has been prepared for the development of the Lake Elsinore Rentals site in the City of Lake Elsinore, CA to satisfy the City of Lake Elsinore per Riverside County Flood Control and Conservation District Hydrology requirements for developments of this type.

The scope of this Study is as follows:

Identification of existing conditions tributary drainage areas and calculation of total peak flow rates and run-on/run-off volumes impacting the project site.

Identification of existing conditions on-site drainage areas and calculation of peak flow rates and runoff volumes for these areas.

Identification of proposed on-site hydrologic conditions and site/drainage plan.

Identification of Water Quality Best Management Practices (BMPs) proposed for the project.

Summary of Findings and Conclusions.

1.2 Project Overview
The proposed project entails the construction of two new industrial buildings in the City of Lake Elsinore.

Total Building A= 3,000 s.f. and Building B= 8,975 s.f. in a 121,966 s.f. lot in a zoning of Limited Manufacturing (M-1). The project will be operating an equipment rental and trucking operations business which also include outside storage of equipment and trucks. To the north boundary of the project site is Collier Avenue, to the south is Minthorn Street, to the west is a vacant lot and to the east is a commercial development with block wall fence.

NM Civil Engineering, Inc. Hydrology and Hydraulics Report Page 1 January 2022

HYDROLOGY AND HYDRAULICS REPORT
A. Introduction

SITE LOCATION
NM Civil Engineering, Inc. Hydrology and Hydraulics Report Page 1 January 2022

HYDROLOGY AND HYDRAULICS REPORT
A. Introduction

1.3 Existing Conditions Off-Site Areas
The project site is surrounded by existing streets to the north and to the south, a commercial building to the east and vacant lot to the west.

Photo 1- Minthorn Street looking Northeast
NM Civil Engineering, Inc. Hydrology and Hydraulics Report Page 1 January 2022

HYDROLOGY AND HYDRAULICS REPORT
A. Introduction
Photo 1- Collier Avenue looking Northwest
NM Civil Engineering, Inc. Hydrology and Hydraulics Report Page 1 January 2022

HYDROLOGY AND HYDRAULICS REPORT
A. Introduction

1.4 Existing Conditions On-Site Areas
The existing on-site project area is generally flat with poorly covered native soil that has been disturbed from past use. It was noted that most of the site surface material is lightly covered with native vegetation (weeds).

NM Civil Engineering, Inc. Hydrology and Hydraulics Report Page 1 January 2022

HYDROLOGY AND HYDRAULICS REPORT
A. Introduction

1.5 References
The following documents have been made part of this Study by reference:

1.) Riverside County Flood Control and Water Conservation Hydrology Manual, April 1978.

2.) Site Plans provided to NM Civil Engineering, Inc. by Jonathan Zane Architecture, January 2019.

NM Civil Engineering, Inc. Hydrology and Hydraulics Report Page 1 January 2022

HYDROLOGY AND HYDRAULICS REPORT
B. Methodology

1.1 General Methodology
The requirements and recommendations found in the Riverside County Flood Control and Water Conservation Rational Hydrology was used as the basis for the methodology and calculations found in this Study. On-site calculations were performed using the rational method per requirements for the San Jacinto River watershed.

The site incorporates water quality bmp volumes into the gravel open areas and a bioretention areas, thereby satisfying the Regional Water Quality Control Board. The Riverside County Flood Control and Water Conservation District approved software applications provided by Advance Engineering Software were used for all study calculations.

Rainfall Data: Standard intensity-duration curve data generated from Plate D-4.1 of the Riverside County Flood Control and Water Conservation Rational Hydrology Manual for Elsinore area was used.

Soil Type Data: The soil type was obtained from the Hydrologic Soils Group Map Plate C-1.41 within the Riverside County Flood Control and Water Conservation Rational Hydrology Manual. A copy of this map is included within this report. The predominant soil type obtained from the Hydrologic Soils Group Map was determined to be type B.

Type of Development: Both existing and ultimate conditions were analyzed. For the existing condition, undeveloped land use was assumed to model current storm discharges.

The project site is planned for commercial facilities. Therefore, the hydrology report incorporates factors that generate discharges representing commercial type development throughout the site for the ultimate developed condition.

Runoff Index: Runoff Index factors for undeveloped and developed conditions were obtained from Plate E-6.1 of the Riverside County and Water Conservation Hydrology Manual.

Impervious Cover: Impervious Cover factors for developed conditions were obtained from Plate E-6.3 of the Riverside County and Water Conservation Hydrology Manual.

1.2 Sources of Topography
For the existing condition on-site area, topographic contours provided by Jim Williams, License Surveyor were used. For the developed conditions on-site areas, site layout provided by Jonathan Zane Architecture and grades provided by NM Civil Engineering, Inc. were used.

NM Civil Engineering, Inc. Hydrology and Hydraulics Report Page 2 January 2022

HYDROLOGY AND HYDRAULICS REPORT
B. Methodology

1.3 Watershed Precipitation
Precipitation values used in this report for Elsinore-Wildomar areas are tabulated below.

Table 1- Precipitation Values (Rational Method Calculations)

STORM PRECIPITATION
10- YEAR, 1-HOUR 0.98
100- YEAR, 1-HOUR 1.50

1.4 Rational Hydrology Method Calculations
The Riverside County Flood Control and Water Conservation Rational Method (RATRV) software applications provided by Advance Engineering Software was used for the rational method calculations include in this report.

NM Civil Engineering, Inc. Hydrology and Hydraulics Report Page 2 January 2022

('Highest Use'

3.83 5.86 8.93

3.69 CFS 5.10 CFS
75 HYDROLOGY & HYDRAULICS REPORT
E. Summary & Conclusions

1.1 Summary
The following table provides a clear comparison of the existing and developed condition rational method storm flows for the 10-year and 100-year storm events. Based on the storm quantities calculated and shown below, there is an increase in storm flow due to the development. In accordance with Riverside County policy for drainage tributary to Lake Elsinore, the increased developed condition runoff quantity will not be retained or detained in order to provide the most quantity of runoff to the lake and Best policy). 10-YEAR EVENT
CFS
100-YEAR EVENT
CFS
EXISTING 2.17

DEVELOPED

DIFFERENCE INCREASE INCREASE

1.2 Bioretention Water Quality BMP
The Riverside County Stormwater Quality Best Management Practice Design Handbook was utilized in generating capacity requirements for the project. The design procedure for BMP design volume was applied to calculate the site requirement. The design calculations are in the Project Specific Water Quality Management Plan (WQMP) for this project. As shown in the WQMP, the total BMP volume required is 3,560 cubic feet. The design capacity of the bioretention BMPs is 3, 0 cubic feet, to satisfy the water quality requirement.

1.3 Conclusion
With the above mitigation measure the development of the Lake Elsinore Rentals will not have a negative impact on downstream properties of facilities. Refer to project specific WQMP for additional requirements.
(END)
NM Civil Engineering, Inc. Hydrology and Hydraulics Report Page 5 January 2022
EXHIBIT "A"
Project Watershed
Aerial Orthophoto

EXHIBIT "B"
Standard Intensity-Duration Curves
Data, Plate D-4.1
RAINFALL INTENSITY-INCHES PER HOUR ::r ::u
-<
0 n CATHEDRAL Cl TY I CHERRY VALLEY I CORONA I DESERT HOT SPRINGS I ELSINORE - WILOO~AR :::0 ,, 0
1-
0 n
G1
--< gt
7 ~
)>
•
0 z
C C
)>
1-
z
-i
() fTl
C z
CJ) CJ) ::0
fTl
< -i ~ CJ) -< z
lo
"'0
r 0 l>
0 C ::0 ~ ::0 0 rr, ~ 0
l> ~

DURATION

MINUTES
FREQ
10 YEAR
UENCY
100
YEAR
OURAT!ON
~INUTES
FREQU
lo
YEAR
ENCY
100
YEAR

DURATION

MINUTES
FREQU
10 YEAR
ENCY
100
YEAR

DURATION

MINUTES
FREQU
IO
YEAR
ENCY
100
YEAR

DURATION

MINUTES
FREQ
I 0
YEAR
UENCY
100
YEAR
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
22 24
26 28
30 32
34 36
38 40
45 50
55 60
65 70
75 80
85 4. 14

3.73 3.41

3.15 2. 95

2.77 2,62
2,49
2,38
2,28

2.19 2,11

2.04 I• 97
I. 91

1.85 1.75

1. 67

1. 59

1.52 1,46
I• 41

1.36 I, 32
I, 28
l ,24
1-16
1,09
I, 03
.98
,94
, 90
,86
,83
,80

6.76 6.08
s.s6
5, 15

4.81 4.52

4.28 4.01

3.88 3.72

3.58 3.44

3.32 3,22
3, 12

3.03 2.86

2.12 2.60

2.49 2.39

2.30 2,22

2.1s

2.09 2.02

1.89 1.78

1. 68

1.60 1.53

1.46 1.41
I. 35
I• 31
5 6
7 'I
9 10
11 12
13 14
15 16
17 18
19 20
22 24
26 2'1
30 32
34 36
38 40
45 50
55 60
65 70
75 80
85 3.65

3.30 1,03
2,82

2.64 2.49

2.36 2.25

2. 16

2.07 1 • 9'l
I. 92
1,86
1,80

1.75 1. 70
1, 61
1, 54
1•47
1,41

1.36 I• 31

1.27 1.23
1,20
l, 16
1,09

1.03 • 9'1
,93
.89
.es
.82
.79
, 77

5.49 4.97

4.56 4 .24

3.97 3,75

3.56 3.39

3.25 3.12

3.00 2 • 90

2. 80

2.11 2.64
2,56
2,43
2,32
2,22

2.13 2,05

1.98 1, 91

1.es

1.eo
I, 75
I ,64
1,55
1,47

1.40 I. 34

1.29 1,24

1.20 I, 16
5 6
7 8
9 10
II
12 13
14 15
16 17
18 19
20 22
24 26
28 30
32 34
36 38
40 45
50 55
60 65
70 75
80 85

3. I 0

2.84 2.64

2.47 2 • 34
2,22
2 .12
2,04
I .96

1. 89
I, 83
1, 77

1.12 1,68
I, 63
I .59
I. 52

1.46 1.40
I• 36
I. 31
1, 27
1,23
I. 20
1, I 7
I. 14

1.oe
1, 03
,98
,94
, 90
.87
,84
,82
,80

4.78 4.38
4,07
3,81
3,60

3.43 3.21

3.14 3.02
2,92

2.e2
2 • 73
2, 66

2.se

2.s2
2-46

2.35 2,25
2,17

2.09 2,02
1, 96
1, 90
1,85
I. 8 I
I, 76
1,66
1,58
I ,51
lo45
I .40
1,35
I. 30
I. 26
I .23
5 6
7 8
9 IO
11 12
13 14
15 16
I 7
18 19
20 22
24 26
28 30
32 34
36 38
40 45
50 55
60 65
70 75
80 85

4.39 3,95
3,62
3,35
3,13
2,94
2,78

2.65 2.53
2,42

2.32 2,24
2,16
2,09
2,03
1, 97
1 • 86
1, 77

1. 69
1, 62

1. 55
1,50
1,45

1.40 I. 36
1,32
I, 23

1.16 l,09
1,04
.99
.95
.91
,88
,85

6.76 6,08
s.56
s. 15

4.81 4,52

4.28 4.07
3,88
3,72
3,58

3.44 3.32

3.22 3.12
3,03
2,86
2, 72

2.60 2.49

2.39 2. 30

2.22 2. 15
2,09

2.02 1.89
I, 78

1.68 1,60

1.53 1,46
I, 4 I
1,35
1,31
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
22 24
26 28
30 32
34 36
38 40
45 50
55 60
65 70
75 80
85 3.23

2.96 2.75
2,58
2,44
2, 32

2.21 2. 12

2.04 1 • 97

1. 91

1. 85

1. 80
1,75
1, 70
1, 66

1. 59

1. 52
1 • 46
1, 41

1.37 1.33

1. 29
I• 25
I, 22
1, 19
l, 13

1.01 1.02
,98
.94
.91
,88
,85
.83

4.94 4.53

4.21 3,95
3,73

3.54 3,39
3,25
3,13

3.02 2,92

2.83 2,75

2.67 2,60
2,54

2.43 2.33

2.24 2 • 16

2.09 2,03

1.97 1,92

1.87 1.e2

1.12 1,64

1.56 T.50j

1.44 1,39

1.35 I. 31
1,27
I
-t> 0 I SLOPE= .seo I SLOPE = ,550 I SLOPE = .480 I SLOPE= ,580 I SLOPE = .480 :... z -
N
s.
0)
EXHIBIT II C"
Runoff Index Numbers for Pervious Areas
Plate E-6.1

RUNOFF INDEX NUMBERS OF HYDROLOGIC SOIL-COVER COMPLEXES FOR PERVIOUS AREAS-AMC II Cover Type (3)

NATURAL COVERS -
Barren
(Rockland, eroded and graded land)
Chaparrel, Broadleaf
(Manzanita, ceanothus and scrub oak)
Chaparrel, Narrowleaf
(Charnise and redshank)
Grass, Annual or Perennial
Meadows or Cienegas
(Areas with seasonally high water table,
principal vegetation is sod forming grass)
Open Brush
(Soft wood shrubs - buckwheat, sage, etc.)
Woodland
(Coniferous or broadleaf trees predominate.

Canopy density is at least 50 percent)
Woodland, Grass
(Coniferous or broadleaf trees with canopy
density from 20 to 50 percent)

URBAN COVERS -
Residential or Commercial Landscaping
(Lawn, shrubs, etc.)
Turf
(Irrigated and mowed grass)

AGRICULTURAL COV'ERS -
Fallow
(Land plowed but not tilled or seeded)
Quality of1-__,,s~o_i_· 1...,..G~r~0Tu~p~-1
Cover (2) A B
78 86
Poor 53 70
Fair 40 63
Good 31 57
Poor 71 82
Fair 55 72
Poor 67 78
Fair 50 69
Good 38 61
Poor 63 77
Fair 51 70
Good 30 58
Poor 62 76
Fair 46 66
Good 41 63
Poor 45 66
Fair 36 60
Good 28 55
Poor 57 73
Fair 44 65
Good 33 58
Good 32 56
Poor 58 74
Fair 44 65
Good 33 58
76 85
C D
91 93
80 75
71 85
81 78
88 81
91 86
86 79
74 89
84 80
85 80
72 88
84 78
84 77
75 88
83 81
77 73
70 83
79 77
82 77
72 86
82 79
69 7 5
83 77
72 87
82 79
90 92
RCFC a WCD RUNOFF INDEX NUMBERS

FOR HYDROLOGY NJANUAL

PERVIOUS AREAS
PLATE E-6.1 (I of 2)

RUNOFF INDEX NUMBERS OF HYDROLOGIC SOIL-COVER COMPLEXES FOR PERVIOUS AREAS-AMC II Cover Type (3)
AGRICULTURAL COVERS (cont.) -
Legumes, Close Seeded
(Alfalfa, sweetclover, timothy, etc.)
Orchards, Deciduous
(Apples, apricots, pears, walnuts, etc.)
Orchards, Evergreen
(Citrus, avocados, etc.)
Pasture, Dryland
(Annual grasses)
Pasture, Irrigated
(Legumes and perennial grass)
Row Crops
(Field crops - tomatoes, sugar beets, etc.)
Small Grain
(Wheat, oats, barley, etc.)
Vineyard
Notes:

Quality of Soil Group
Cover (2) --------.------ A B C D -
Poor
Good
Poor
Fair
Good
Poor
Fair
Good
Poor
Fair
Good
Poor
Good
Poor
Good
66 77 85 89
58 72 81 85
See Note 4
57 73 82 86
44 65 77 82
33 58 72 79
67 78 86 89
50 69 79 84
38 61 74 80
58 74 83 87
44 65 77 82
33 58 72 79
72 81 88 91
67 78 85 89
65 76 84 88
63 75 83 87
See Note 4
I I I

1. All runoff index (RI) numbers are for Antecedent Moisture Condition (AMC) II.

2. Quality of cover definitions:

Poor-Heavily grazed or regularly burned areas. Less than 50 percent of the ground surface is protected by plant cover or brush and tree canopy.

Fair-Moderate cover with 50 percent to 75 percent of the ground surface protected.

Good-Heavy or dense cover with more than 75 percent of the ground surface protected.

3. See Plate C-2 for a detailzd description of cover types.

4. Use runoff index numbers based on ground cover type. See discussion under "Cover Type Descriptions" on Plate C-2.

5. Reference Bibliography i tern 17.

RCFC a WCD RUNOFF INDEX NUMBERS
FOR HYDROLOGY NlANUAL

PERVIOUS AREAS
PLATE E-6.1 (2of 2}
EXHIBIT "D"
Impervious Cover for Developed Areas
Plate E-6.3

ACTUAL IMPERVIOUS COVER
Land Use (1)
Natural or Agriculture
Single Family Residential: (3)
40,000 s. F. (1 Acre) Lots
20,000 S. F. (~ Acre) Lots
7,200 - 10,000 s. F. Lots
Multiple Family Residential:

Condominiums
Apartments
Mobile Home Park
Commercial, Downtown
Business or Industrial
Range-Percent
0 - 10
10 - 25
30 - 45
45 - 55
45 - 70
65 - 90
60 - 85
80 -100
Recommended Value
For Average
Conditions-Percent(2
0 20
40 so
65 80
75 90
Notes:

1. Land use should be based on ultimate development of the watershed.

Long range master plans for the County and incorporated cities should be reviewed to insure reasonable land use assumptions.

2. Recommended values are based on average conditions which may not apply to a particular study area. The percentage impervious may vary greatly even on comparable sized lots due to differences in dwelling size, improvements, etc. Landscape practices should also be considered as it is corranon in some areas to use ornamental gravels underlain by impervious plastic materials in place of lawns and shrubs. A field investigation of a study area should always be made, and a review of aerial photos, where available may assist in estimating the percentage of impervious cover in developed areas.

3. For typical horse ranch subdivisions increase impervious area 5 percent over the values recommended in the table above.

RCFC a WCD IMPERVIOUS COVER

FOR HYDROLOGY NJA NUAL DEVELOPED AREAS
PLATE E-6.3
EXHIBIT "E"
Hydrologic Soils Group Map for Elsinore
Plate C-1.41
•
. 'I'
I
-
--
,LEG HYDROLOGH::: SOILS GROUP· MiAP
~ :Sl!!iLS
·FOR ~
MO ~

CPCBWCD ELS
.ORE
Hvtlf~91.0G't' MA f-
--
EXHIBIT "F11
Existing Hydrologic Conditions
Study Map
/
/
/
/
,,,
..,
/
/
/
.....
.....
~
/
/
N 19°02' 58" E
.....
.....
~
A

2.801880.0
AC. FT.
421.74'
.....
.....
~
421.74'
(_
EXHIBIT 11G11
Developed Hydrologic Conditions
Study Map (On-Site)
...
...
·•·,· ·.
:• : 1•. _., ! •t"•
.. .
·
..
·
.. .
····.:
. ..
....!..
• •
:·.: .
.....·
:··
. -. •:-
....
..,.
-· .
........:··o·· .....<·=
:•.·.:· .·.· . . _·_ ... .
-.:-.. :..... _· : .. iT >:.':;.,
•·.·,:
·•
...
:·,
.
·-:
... :•·· \:· ·· ·-... :. .... .
~ : -:··•.·
' t;;ll I • • • • • + ...... ·. :-:. ·.: :·.:. .... .. ,. SJ· ·· . ... - •. · .. a:::::::::: . . ~ . ' ·
-: · ·.. ·.... , . .. · ._ ···........:··· . -: .- .. •.. . :...... ···;:.· ··1;. ·.:·.·_·==·· .- · ·::. ·. ..... •.• ·.:···.·:
:. :·. .· :. : .:. : ~.- : ·.- .. ·.••..A .\: . ..;;;1-9'02.~6 °1: .. :,., :-- ~·:.- .421 :7-4' ·.• . . ::

1. AC.

STING 6' TALL CONCRETE BLOCK
• + • • •
. . . . .
.·.·.·.·~
. . . . .
• • • + •
. . . . .
• + • • •
. . . . .
• + • • •
. . . .
• • + •
. . . . .
• + • • •
. . . . .
• + • • •
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. . . . .
• • • + •
. . . . .
• • • + •
. .,,............ .
. . . . .
• + • • •
. . . . .

ATTACHMENT 1
Existing Conditions
100-Year, 1-Hour
Rational Method Calculations

_________________________________________________________________________ ------------------------------------------------------------------------ ------------------------------------------------------------------------ *************************************************************************

RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM BASED ON

RIVERSIDE COUNTY FLOOD CONTROL & WATER CONSERVATION DISTRICT (RCFC&WCD) 1978 HYDROLOGY MANUAL
(c) Copyright 1982-2016 Advanced Engineering Software (aes) (Rational Tabling Version 23.0)
Release Date: 07/01/2016 License ID 1360
Analysis prepared by:

NM CIVIL ENGINEERING INC
22880 VAN BUREN STREET
GRAND TERRACE, CA 92313
(951) 712-0623
************************** DESCRIPTION OF STUDY *********************** * HYDROLOGY STUDY FOR COLLIER PROPERTIES
*
* 100 YR STORM, UNDEVELOPED CONDITION
*
* NOVEMEMBER 2,2022 BY NMM
************************************************************************* FILE NAME: HAMUD.DAT
TIME/DATE OF STUDY: 15:14 11/01/2022
USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION:

USER SPECIFIED STORM EVENT(YEAR) = 100.00
SPECIFIED MINIMUM PIPE SIZE(INCH) = 12.00
SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE =

0.95 10-YEAR STORM 10-MINUTE INTENSITY(INCH/HOUR) = 2.320 10-YEAR STORM 60-MINUTE INTENSITY(INCH/HOUR) = 0.980
100-YEAR STORM 10-MINUTE INTENSITY(INCH/HOUR) = 3.540
100-YEAR STORM 60-MINUTE INTENSITY(INCH/HOUR) = 1.500
SLOPE OF 10-YEAR INTENSITY-DURATION CURVE = 0.4809628
SLOPE OF 100-YEAR INTENSITY-DURATION CURVE = 0.4792280
COMPUTED RAINFALL INTENSITY DATA:

STORM EVENT = 100.00 1-HOUR INTENSITY(INCH/HOUR) = 1.500 SLOPE OF INTENSITY DURATION CURVE = 0.4792
RCFC&WCD HYDROLOGY MANUAL "C"-VALUES USED FOR RATIONAL METHOD NOTE: COMPUTE CONFLUENCE VALUES ACCORDING TO RCFC&WCD HYDROLOGY MANUAL

AND IGNORE OTHER CONFLUENCE COMBINATIONS FOR DOWNSTREAM ANALYSES *USER-DEFINED STREET-SECTIONS FOR COUPLED PIPEFLOW AND STREETFLOW MODEL*
HALF- CROWN TO STREET-CROSSFALL: CURB GUTTER-GEOMETRIES:

MANNING

WIDTH CROSSFALL IN- / OUT-/PARK- HEIGHT WIDTH LIP HIKE
FACTOR
NO. (FT) (FT) SIDE / SIDE/ WAY (FT) (FT) (FT) (FT) (n)

------------------------------------------------------------------------ === ===== ========= ================= ====== ===== ====== ===== == 1 30.0 20.0 0.018/0.018/0.020 0.67 2.00 0.0312 0.167 0.0150 GLOBAL STREET FLOW-DEPTH CONSTRAINTS:

1. Relative Flow-Depth = 0.50 FEET
as (Maximum Allowable Street Flow Depth) - (Top-of-Curb)

2. (Depth)*(Velocity) Constraint = 0.1 (FT*FT/S)
*SIZE PIPE WITH A FLOW CAPACITY GREATER THAN
OR EQUAL TO THE UPSTREAM TRIBUTARY PIPE.*
************************************************************************* FLOW PROCESS FROM NODE 100.00 TO NODE 101.00 IS CODE = 21 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<<
=========================================================================

ASSUMED INITIAL SUBAREA UNIFORM
DEVELOPMENT IS: UNDEVELOPED WITH FAIR COVER
TC = K*[(LENGTH**3)/(ELEVATION CHANGE)]**.2
INITIAL SUBAREA FLOW-LENGTH(FEET) = 880.00
UPSTREAM ELEVATION(FEET) = 1180.50
DOWNSTREAM ELEVATION(FEET) = 1170.50
ELEVATION DIFFERENCE(FEET) = 10.00
TC = 0.709*[( 880.00**3)/( 10.00)]**.2 = 26.157
100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.233
UNDEVELOPED WATERSHED RUNOFF COEFFICIENT = .6126
SOIL CLASSIFICATION IS "B"
SUBAREA RUNOFF(CFS) = 3.83
TOTAL AREA(ACRES) = 2.80 TOTAL RUNOFF(CFS) = 3.83
========================================================================= END OF STUDY SUMMARY:

TOTAL AREA(ACRES) = 2.8 TC(MIN.) = 26.16
PEAK FLOW RATE(CFS) = 3.83
========================================================================= =========================================================================

END OF RATIONAL METHOD ANALYSIS
ATTACHMENT 2
Developed Conditions
100-Year, 1-Hour
Rational Method Calculations

_________________________________________________________________________ ------------------------------------------------------------------------ ------------------------------------------------------------------------ *************************************************************************

RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM BASED ON

RIVERSIDE COUNTY FLOOD CONTROL & WATER CONSERVATION DISTRICT (RCFC&WCD) 1978 HYDROLOGY MANUAL
(c) Copyright 1982-2016 Advanced Engineering Software (aes) (Rational Tabling Version 23.0)
Release Date: 07/01/2016 License ID 1360
Analysis prepared by:

NM CIVIL ENGINEERING INC
22880 VAN BUREN STREET
GRAND TERRACE, CA 92313
(951) 712-0623
********************** DESCRIPTION OF STUDY ************************** * HYDROLOGY STUDY FOR LAKE ELSINORE RENTALS
*
* 100 YR STORM, DEVELOPED CONDITION
*
* JANUARY 18,2023 BY NMM
*
************************************************************************* FILE NAME: HAMUD.DAT
TIME/DATE OF STUDY: 18:02 01/18/2023
USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION:

USER SPECIFIED STORM EVENT(YEAR) = 100.00
SPECIFIED MINIMUM PIPE SIZE(INCH) = 12.00
SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE =

0.95 10-YEAR STORM 10-MINUTE INTENSITY(INCH/HOUR) = 2.320 10-YEAR STORM 60-MINUTE INTENSITY(INCH/HOUR) = 0.980
100-YEAR STORM 10-MINUTE INTENSITY(INCH/HOUR) = 3.540
100-YEAR STORM 60-MINUTE INTENSITY(INCH/HOUR) = 1.500
SLOPE OF 10-YEAR INTENSITY-DURATION CURVE = 0.4809628
SLOPE OF 100-YEAR INTENSITY-DURATION CURVE = 0.4792280
COMPUTED RAINFALL INTENSITY DATA:

STORM EVENT = 100.00 1-HOUR INTENSITY(INCH/HOUR) = 1.500 SLOPE OF INTENSITY DURATION CURVE = 0.4792
RCFC&WCD HYDROLOGY MANUAL "C"-VALUES USED FOR RATIONAL METHOD NOTE: COMPUTE CONFLUENCE VALUES ACCORDING TO RCFC&WCD HYDROLOGY MANUAL

AND IGNORE OTHER CONFLUENCE COMBINATIONS FOR DOWNSTREAM ANALYSES *USER-DEFINED STREET-SECTIONS FOR COUPLED PIPEFLOW AND STREETFLOW MODEL*
HALF- CROWN TO STREET-CROSSFALL: CURB GUTTER-GEOMETRIES:

MANNING

------------------------------------------------------------------------ ------------------------------------------------------------------------

WIDTH CROSSFALL IN- / OUT-/PARK- HEIGHT WIDTH LIP HIKE
FACTOR
NO. (FT) (FT) SIDE / SIDE/ WAY (FT) (FT) (FT) (FT) (n)
=== ===== ========= ================= ====== ===== ====== ===== 1 30.0 20.0 0.018/0.018/0.020 0.67 2.00 0.0312 0.167 0.0150 GLOBAL STREET FLOW-DEPTH CONSTRAINTS:

1. Relative Flow-Depth = 0.50 FEET
as (Maximum Allowable Street Flow Depth) - (Top-of-Curb)

2. (Depth)*(Velocity) Constraint = 0.1 (FT*FT/S)
*SIZE PIPE WITH A FLOW CAPACITY GREATER THAN
OR EQUAL TO THE UPSTREAM TRIBUTARY PIPE.*
************************************************************************* FLOW PROCESS FROM NODE 100.00 TO NODE 101.00 IS CODE = 21 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<<
=========================================================================

ASSUMED INITIAL SUBAREA UNIFORM

DEVELOPMENT IS COMMERCIAL
TC = K*[(LENGTH**3)/(ELEVATION CHANGE)]**.2
INITIAL SUBAREA FLOW-LENGTH(FEET) = 648.00
UPSTREAM ELEVATION(FEET) = 1178.58
DOWNSTREAM ELEVATION(FEET) = 1170.00
ELEVATION DIFFERENCE(FEET) = 8.58
TC = 0.303*[( 648.00**3)/( 8.58)]**.2 = 9.590
100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.612
COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8798
SOIL CLASSIFICATION IS "B"
SUBAREA RUNOFF(CFS) = 3.91
TOTAL AREA(ACRES) = 1.23 TOTAL RUNOFF(CFS) = 3.91
************************************************************************* FLOW PROCESS FROM NODE 101.00 TO NODE 101.00 IS CODE = 81 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<<
========================================================================= 100 YEAR RAINFALL INTENSITY(INCH/HOUR) = 3.612
COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8798
SOIL CLASSIFICATION IS "B"
SUBAREA AREA(ACRES) = 1.58 SUBAREA RUNOFF(CFS) = 5.02
TOTAL AREA(ACRES) = 2.8 TOTAL RUNOFF(CFS) = 8.93
TC(MIN.) = 9.59
========================================================================= END OF STUDY SUMMARY:

TOTAL AREA(ACRES) = 2.8 TC(MIN.) = 9.59
PEAK FLOW RATE(CFS) = 8.93
=========================================================================

ATTACHMENT 3
Existing Conditions
10-Year, 1-Hour
Rational Method Calculations

_________________________________________________________________________ ------------------------------------------------------------------------ ------------------------------------------------------------------------ *************************************************************************

RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM BASED ON

RIVERSIDE COUNTY FLOOD CONTROL & WATER CONSERVATION DISTRICT (RCFC&WCD) 1978 HYDROLOGY MANUAL
(c) Copyright 1982-2016 Advanced Engineering Software (aes) (Rational Tabling Version 23.0)
Release Date: 07/01/2016 License ID 1360
Analysis prepared by:

NM CIVIL ENGINEERING INC
22880 VAN BUREN STREET
GRAND TERRACE, CA 92313
(951) 712-0623
************************** DESCRIPTION OF STUDY ********************** * HYDROLOGY STUDY FOR COLLIER PROPERTIES
* 10 YR STORM, UNDEVELOPED CONDITION
*
* NOVEMBER 2,2022 BY NMM
************************************************************************* FILE NAME: HAMUD.DAT
TIME/DATE OF STUDY: 09:18 11/01/2022
USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION:

USER SPECIFIED STORM EVENT(YEAR) = 10.00
SPECIFIED MINIMUM PIPE SIZE(INCH) = 12.00
SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE =

0.95 10-YEAR STORM 10-MINUTE INTENSITY(INCH/HOUR) = 2.320 10-YEAR STORM 60-MINUTE INTENSITY(INCH/HOUR) = 0.980
100-YEAR STORM 10-MINUTE INTENSITY(INCH/HOUR) = 3.540
100-YEAR STORM 60-MINUTE INTENSITY(INCH/HOUR) = 1.500
SLOPE OF 10-YEAR INTENSITY-DURATION CURVE = 0.4809628
SLOPE OF 100-YEAR INTENSITY-DURATION CURVE = 0.4792280
COMPUTED RAINFALL INTENSITY DATA:

STORM EVENT = 10.00 1-HOUR INTENSITY(INCH/HOUR) = 0.990 SLOPE OF INTENSITY DURATION CURVE = 0.4810
RCFC&WCD HYDROLOGY MANUAL "C"-VALUES USED FOR RATIONAL METHOD NOTE: COMPUTE CONFLUENCE VALUES ACCORDING TO RCFC&WCD HYDROLOGY MANUAL

AND IGNORE OTHER CONFLUENCE COMBINATIONS FOR DOWNSTREAM ANALYSES *USER-DEFINED STREET-SECTIONS FOR COUPLED PIPEFLOW AND STREETFLOW MODEL*
HALF- CROWN TO STREET-CROSSFALL: CURB GUTTER-GEOMETRIES:

MANNING

WIDTH CROSSFALL IN- / OUT-/PARK- HEIGHT WIDTH LIP HIKE
FACTOR
NO. (FT) (FT) SIDE / SIDE/ WAY (FT) (FT) (FT) (FT) (n)
=== ===== ========= ================= ====== ===== ====== ===== ==

------------------------------------------------------------------------ 1 30.0 20.0 0.018/0.018/0.020 0.67 2.00 0.0312 0.167 0.0150 GLOBAL STREET FLOW-DEPTH CONSTRAINTS:

1. Relative Flow-Depth = 0.50 FEET
as (Maximum Allowable Street Flow Depth) - (Top-of-Curb)

2. (Depth)*(Velocity) Constraint = 0.1 (FT*FT/S)
*SIZE PIPE WITH A FLOW CAPACITY GREATER THAN
OR EQUAL TO THE UPSTREAM TRIBUTARY PIPE.*
************************************************************************* FLOW PROCESS FROM NODE 100.00 TO NODE 101.00 IS CODE = 21 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<<
=========================================================================

ASSUMED INITIAL SUBAREA UNIFORM
DEVELOPMENT IS: UNDEVELOPED WITH FAIR COVER
TC = K*[(LENGTH**3)/(ELEVATION CHANGE)]**.2
INITIAL SUBAREA FLOW-LENGTH(FEET) = 880.00
UPSTREAM ELEVATION(FEET) = 1180.50
DOWNSTREAM ELEVATION(FEET) = 1170.50
ELEVATION DIFFERENCE(FEET) = 10.00
TC = 0.709*[( 880.00**3)/( 10.00)]**.2 = 26.157
10 YEAR RAINFALL INTENSITY(INCH/HOUR) = 1.476
UNDEVELOPED WATERSHED RUNOFF COEFFICIENT = .5263
SOIL CLASSIFICATION IS "B"
SUBAREA RUNOFF(CFS) = 2.17
TOTAL AREA(ACRES) = 2.80 TOTAL RUNOFF(CFS) = 2.17
========================================================================= END OF STUDY SUMMARY:

TOTAL AREA(ACRES) = 2.8 TC(MIN.) = 26.16
PEAK FLOW RATE(CFS) = 2.17
========================================================================= =========================================================================

END OF RATIONAL METHOD ANALYSIS
ATTACHMENT 4
Developed Conditions
10-Year, 1-Hour
Rational Method Calculations

_________________________________________________________________________ ------------------------------------------------------------------------ ------------------------------------------------------------------------ *************************************************************************

RATIONAL METHOD HYDROLOGY COMPUTER PROGRAM BASED ON

RIVERSIDE COUNTY FLOOD CONTROL & WATER CONSERVATION DISTRICT (RCFC&WCD) 1978 HYDROLOGY MANUAL
(c) Copyright 1982-2016 Advanced Engineering Software (aes) (Rational Tabling Version 23.0)
Release Date: 07/01/2016 License ID 1360
Analysis prepared by:

NM CIVIL ENGINEERING INC
22880 VAN BUREN STREET
GRAND TERRACE, CA 92313
(951) 712-0623
*********************** DESCRIPTION OF STUDY ************************** * HYDROLOGY STUDY FOR LAKE ELSINORE RENTALS
*
* 10 YR STORM, DEVELOPED CONDITION
*
* JANUARY 18,2023 BY NMM
************************************************************************* FILE NAME: HAMUD.DAT
TIME/DATE OF STUDY: 17:38 01/18/2023
USER SPECIFIED HYDROLOGY AND HYDRAULIC MODEL INFORMATION:

USER SPECIFIED STORM EVENT(YEAR) = 10.00
SPECIFIED MINIMUM PIPE SIZE(INCH) = 12.00
SPECIFIED PERCENT OF GRADIENTS(DECIMAL) TO USE FOR FRICTION SLOPE =

0.95 10-YEAR STORM 10-MINUTE INTENSITY(INCH/HOUR) = 2.320 10-YEAR STORM 60-MINUTE INTENSITY(INCH/HOUR) = 0.980
100-YEAR STORM 10-MINUTE INTENSITY(INCH/HOUR) = 3.540
100-YEAR STORM 60-MINUTE INTENSITY(INCH/HOUR) = 1.500
SLOPE OF 10-YEAR INTENSITY-DURATION CURVE = 0.4809628
SLOPE OF 100-YEAR INTENSITY-DURATION CURVE = 0.4792280
COMPUTED RAINFALL INTENSITY DATA:

STORM EVENT = 10.00 1-HOUR INTENSITY(INCH/HOUR) = 0.990 SLOPE OF INTENSITY DURATION CURVE = 0.4810
RCFC&WCD HYDROLOGY MANUAL "C"-VALUES USED FOR RATIONAL METHOD NOTE: COMPUTE CONFLUENCE VALUES ACCORDING TO RCFC&WCD HYDROLOGY MANUAL

AND IGNORE OTHER CONFLUENCE COMBINATIONS FOR DOWNSTREAM ANALYSES *USER-DEFINED STREET-SECTIONS FOR COUPLED PIPEFLOW AND STREETFLOW MODEL*
HALF- CROWN TO STREET-CROSSFALL: CURB GUTTER-GEOMETRIES:

MANNING

WIDTH CROSSFALL IN- / OUT-/PARK- HEIGHT WIDTH LIP HIKE
FACTOR

------------------------------------------------------------------------ ------------------------------------------------------------------------ NO. (FT) (FT) SIDE / SIDE/ WAY (FT) (FT) (FT) (FT) (n)
=== ===== ========= ================= ====== ===== ====== ===== === 1 30.0 20.0 0.018/0.018/0.020 0.67 2.00 0.0312 0.167 0.0150 GLOBAL STREET FLOW-DEPTH CONSTRAINTS:

1. Relative Flow-Depth = 0.50 FEET
as (Maximum Allowable Street Flow Depth) - (Top-of-Curb)

2. (Depth)*(Velocity) Constraint = 0.1 (FT*FT/S)
*SIZE PIPE WITH A FLOW CAPACITY GREATER THAN
OR EQUAL TO THE UPSTREAM TRIBUTARY PIPE.*
************************************************************************* FLOW PROCESS FROM NODE 100.00 TO NODE 101.00 IS CODE = 21 >>>>>RATIONAL METHOD INITIAL SUBAREA ANALYSIS<<<<<
=========================================================================

ASSUMED INITIAL SUBAREA UNIFORM

DEVELOPMENT IS COMMERCIAL
TC = K*[(LENGTH**3)/(ELEVATION CHANGE)]**.2
INITIAL SUBAREA FLOW-LENGTH(FEET) = 648.00
UPSTREAM ELEVATION(FEET) = 1178.58
DOWNSTREAM ELEVATION(FEET) = 1170.00
ELEVATION DIFFERENCE(FEET) = 8.58
TC = 0.303*[( 648.00**3)/( 8.58)]**.2 = 9.590
10 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.391
COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8726
SOIL CLASSIFICATION IS "B"
SUBAREA RUNOFF(CFS) = 2.57
TOTAL AREA(ACRES) = 1.23 TOTAL RUNOFF(CFS) = 2.57
************************************************************************* FLOW PROCESS FROM NODE 101.00 TO NODE 101.00 IS CODE = 81 >>>>>ADDITION OF SUBAREA TO MAINLINE PEAK FLOW<<<<<
========================================================================= 10 YEAR RAINFALL INTENSITY(INCH/HOUR) = 2.391
COMMERCIAL DEVELOPMENT RUNOFF COEFFICIENT = .8726
SOIL CLASSIFICATION IS "B"
SUBAREA AREA(ACRES) = 1.58 SUBAREA RUNOFF(CFS) = 3.30
TOTAL AREA(ACRES) = 2.8 TOTAL RUNOFF(CFS) = 5.86
TC(MIN.) = 9.59
========================================================================= END OF STUDY SUMMARY:

TOTAL AREA(ACRES) = 2.8 TC(MIN.) = 9.59
PEAK FLOW RATE(CFS) = 5.86
========================================================================= ========================================================================= Appendix G
Preliminary Project Specific Water Quality
Management Plan

PRELIMINARY
Project Specific Water Quality Management Plan
A Template for Projects located within the Santa Ana Watershed Region of Riverside County Project Title: COLLIER COMMERCIAL PROPERTIES (Collier Ave. & Minthorn St.) Design Review/Case No: PA No. 2021-22
Contact Information:

Preliminary
Final
Original Date Prepared: January 6, 2022
Revision Date(s): January 16, 2023
Prepared for Compliance with
Regional Board Order No. R8-2010-0033
Prepared for: Edward &Leslie Hamud
43 Golfview Drive, Dove Canyon, CA 92679
(949) 275 – 8880
Prepared by:

NM Civil Engineering, Inc.
22880 Van Buren St., Grand Terrace CA
92313
Phone No. (951) 712 - 0623
Email: [email protected]
- 1 -

A Brief Introduction
This Project-Specific WQMP Template for the Santa Ana Region has been prepared to help guide you in documenting compliance for your project. Because this document has been designed to specifically document compliance, you will need to utilize the WQMP Guidance Document as your “how-to” manual to help guide you through this process. Both the Template and Guidance Document go hand-in-hand, and will help facilitate a well prepared Project-Specific WQMP. Below is a flowchart for the layout of this Template that will provide the steps required to document compliance.

Section A
Project and Site Information Section BOptimize Site
Utilization Section C
Delineate Drainage
Management Areas (DMAs)
Section G
Source Control BMPs Section I
Operation, Maintenance, and Funding
Section F
Hydromodification Section E
Alternative
Compliance Section D
Implement LID BMPs
Section H
Construction Plan Checklist
- 2 -

Table of Contents
Section A: Project and Site Information........................................................................................................ 6 A.1 Maps and Site Plans............................................................................................................................6 A.2 Identify Receiving Waters...................................................................................................................7 A.3 Additional Permits/Approvals required for the Project: .................................................................... 7 Section B: Optimize Site Utilization (LID Principles) ..................................................................................... 8 Section C: Delineate Drainage Management Areas (DMAs)....................................................................... 10 Section D: Implement LID BMPs ................................................................................................................. 12 D.1 Infiltration Applicability ....................................................................................................................12 D.2 Harvest and Use Assessment............................................................................................................13 D.3 Bioretention and Biotreatment Assessment ....................................................................................15 D.4 Feasibility Assessment Summaries ...................................................................................................16 D.5 LID BMP Sizing ..................................................................................................................................17 Section E: Alternative Compliance (LID Waiver Program) .......................................................................... 20 Section F: Hydromodification ..................................................................................................................... 18 F.1 Hydrologic Conditions of Concern (HCOC) Analysis..........................................................................18 F.2 HCOC Mitigation................................................................................................................................19 Section G: Source Control BMPs................................................................................................................. 26 Section H: Construction Plan Checklist ....................................................................................................... 28 Section I: Operation, Maintenance and Funding........................................................................................ 29 - 4 -

List of Tables
Table A.1 Identification of Receiving Waters................................................................................................ 7 Table A.2 Other Applicable Permits..............................................................................................................7 Table C.1 DMA Classifications.....................................................................................................................10 Table C.2 Type ‘A’, Self-Treating Areas .......................................................................................................10 Table C.3 Type ‘B’, Self-Retaining Areas .....................................................................................................10 Table C.4 Type ‘C’, Areas that Drain to Self-Retaining Areas......................................................................11 Table C.5 Type ‘D’, Areas Draining to BMPs ...............................................................................................11 Table D.1 Infiltration Feasibility ..................................................................................................................12 Table D.2 LID Prioritization Summary Matrix .............................................................................................16 Table D.3 DCV Calculations for LID BMPs ...................................................................................................17 Table F.1 Hydrologic Conditions of Concern Summary ..............................................................................18 Table G.1 Permanent and Operational Source Control Measures .............................................................20 Table H.1 Construction Plan Cross-reference .............................................................................................21 List of Appendices
Appendix 1: Maps and Site Plans................................................................................................................31 Appendix 2: Construction Plans ..................................................................................................................32 Appendix 3: Soils Information.....................................................................................................................33 Appendix 4: Historical Site Conditions........................................................................................................34 Appendix 5: LID Infeasibility........................................................................................................................27 Appendix 6: BMP Design Details.................................................................................................................28 Appendix 7: Hydromodification..................................................................................................................29 Appendix 8: Source Control ........................................................................................................................30 Appendix 9: O&M .......................................................................................................................................32 Appendix 10: Educational Materials ...........................................................................................................35 - 5 -

Section A: Project and Site Information

PROJECT INFORMATION
Type of Project: New Commercial Building Construction
Planning Area: Northside
Community Name:

Development Name: COLLIER COMMERCIAL PROPERTIES

PROJECT LOCATION
Latitude & Longitude (DMS): Latitude: N33°40’34”W Longitude: -117°19’55” Project Watershed and Sub-Watershed: San Jacinto River/Lake Elsinore Sub-Water Shed: Lake Elsinore
APN(s): 377-190- 02, 03, 04
Map Book and Page No.: Thomas Bros. Map; Page 748 D-7, 1999 edition

PROJECT CHARACTERISTICS
Proposed or Potential Land Use(s) Commercial Bldg.

Proposed or Potential SIC Code(s) No
Area of Impervious Project Footprint (SF) 121,966 S.F.

Total Area of proposed Impervious Surfaces within the Project Limits (SF)/or Replacement 80,072 S.F.

Does the project consist of offsite road improvements? Y N Does the project propose to construct unpaved roads? Y N Is the project part of a larger common plan of development (phased project)? Y N

EXISTING SITE CHARACTERISTICS
Total area of existing Impervious Surfaces within the project limits (SF) 0.00 S.F.

Is the project located within any MSHCP Criteria Cell? Y N If so, identify the Cell number: N/A
Are there any natural hydrologic features on the project site? Y N Is a Geotechnical Report attached? Y
If no Geotech. Report, list the NRCS soils type(s) present on the site (A, B, C and/or D) N/A What is the Water Quality Design Storm Depth for the project? 0.65 FT A.1 Maps and Site Plans
Project Description:

The site is vacant with three (3) Parcels having a total site gross area of 2.80 Acres (121,966 S.F.). An existing block wall fence in the easterly property line, an existing chain link fence in the westerly property line, Collier Avenue to the North, Minthorn Street to the South and a 50' access road connecting Collier Avenue and Minthorn Street. The site is surrounded by vacant land and slopes from the northerly to southerly direction characterized by sheet flow following the slopes that exited on the access road and surface flow on to Minthorn Street. Flow will ultimately reach and discharge into Lake Elsinore.

On-site flows generated by the proposed project will surface flow through the site pave areas that will discharge to landscape areas and eventually to Lake Elsinore.

The proposal is to construct a 11,975 sq. ft. building to serve us office, storage, and an outdoor lounge within the Light Industrial (LI) zone of the PVCC Specific Plan. Improvements include a pave parking area - 6 -

a peripheral road and concrete apron around the building of 80,072 sq. ft., a landscape area of 29,919.

An off-site street improvement with curb and gutter and sidewalk are to be constructed fronting the property along Minthorn Street. No entrance are provided along Collier Avenue.

The proposed water quality design for this project is a bioretention area (BMP A) constructed on-site of the property. Drainage Area No. 1 (DMA 1) building, access road and parking runoffs will drain to BMP A.

Landscape Areas and gravel filled site are self-retaining.

Appendix 1 includes a map of the local vicinity and existing site. In addition, WQMP Site Plan, located in Appendix 1 includes the following:
• Drainage Management Areas • Source Control BMPs
• Proposed Structural BMPs • Buildings, Roof Lines, Downspouts • Drainage Path • Impervious Surfaces
• Drainage Infrastructure, Inlets, Overflows • Standard Labeling A.2 Receiving Waters
In order of upstream to downstream, the receiving waters that the project site is tributary to are as follows: A map of the receiving waters is included in Appendix 1.

Table A.1 Identification of Receiving Waters
Receiving Waters EPA Approved 303(d) List Impairments Designated Beneficial Uses
Proximity to
RARE
Beneficial
Use
San Jacinto River, HU#
802.32 & 802.31 None MUN – AGR – GWR – REC1 –REC2 – WARM - WILD 1.0 MILES Lake Elsinore, HU#
802.31
Nutrients - Organic Compounds/Oxygen Demanding
Substances - Sediment/Turbidity - Unknown Toxicity REC1 - REC2-WARM - WILD 1.5 MILE A.3 Additional Permits/Approvals required for the Project:

Table A.2 Other Applicable Permits
Agency Permit Required
State Department of Fish and Game, 1602 Streambed Alteration Agreement Y N State Water Resources Control Board, Clean Water Act (CWA) Section 401 Water Quality Cert. Y N US Army Corps of Engineers, CWA Section 404 Permit Y N
US Fish and Wildlife, Endangered Species Act Section 7 Biological Opinion Y N Statewide Construction General Permit Coverage Y N
Statewide Industrial General Permit Coverage (Order No. 2014-0057-DWQ) Y N Western Riverside MSHCP Consistency Approval (e.g., JPR, DBESP) Y N Other (please list in the space below as required) Y N

DESIGN REVIEW,BUILDING PERMIT, GRADING PERMIT, STREET IMPROVEMENTS PERMIT If yes is answered to any of the questions above, the Co-Permittee may require proof of approval/coverage from those agencies as applicable including documentation of any associated requirements that may affect this Project-Specific WQMP. - 7 -

Section B: Optimize Site Utilization (LID Principles)
Review of the information collected in Section ‘A’ will aid in identifying the principal constraints on site design and selection of LID BMPs as well as opportunities to reduce imperviousness and incorporate LID Principles into the site and landscape design. For example, constraints might include impermeable soils, high groundwater, groundwater pollution or contaminated soils, steep slopes, geotechnical instability, high-intensity land use, heavy pedestrian or vehicular traffic, utility locations or safety concerns. Opportunities might include existing natural areas, low areas, oddly configured or otherwise unbuildable parcels, easements and landscape amenities including open space and buffers (which can double as locations for bioretention BMPs), and differences in elevation (which can provide hydraulic head). Prepare a brief narrative for each of the site optimization strategies described below. This narrative will help you as you proceed with your LID design and explain your design decisions to others.

The 2010 Santa Ana MS4 Permit further requires that LID Retention BMPs (Infiltration Only or Harvest and Use) be used unless it can be shown that those BMPs are infeasible. Therefore, it is important that your narrative identify and justify if there are any constraints that would prevent the use of those categories of LID BMPs. Similarly, you should also note opportunities that exist which will be utilized during project design. Upon completion of identifying Constraints and Opportunities, include these on your WQMP Site plan in Appendix 1.

Consideration of “highest and best use” of the discharge should also be considered. For example, Lake Elsinore is evaporating faster than runoff from natural precipitation can recharge it. Requiring infiltration of 85% of runoff events for projects tributary to Lake Elsinore would only exacerbate current water quality problems associated with Pollutant concentration due to lake water evaporation. In cases where rainfall events have low potential to recharge Lake Elsinore (i.e. no hydraulic connection between groundwater to Lake Elsinore, or other factors), requiring infiltration of Urban Runoff from projects is counterproductive to the overall watershed goals. Project proponents, in these cases, would be allowed to discharge Urban Runoff, provided they used equally effective filtration-based BMPs.

Site Optimization
The following questions are based upon Section 3.2 of the WQMP Guidance Document. Review of the WQMP Guidance Document will help you determine how best to optimize your site and subsequently identify opportunities and/or constraints, and document compliance.

Did you identify and preserve existing drainage patterns? If so, how? If not, why? Yes. Existing natural drainage systems are protected, retained, and incorporated in the design. The lot is protected from any offsite runoffs coming from the northerly with the existing Collier Avenue and onsite drainage are directed to the proposed bioretention area onsite that will overflow to Minthorn Street on the south.

Did you identify and protect existing vegetation? If so, how? If not, why? No. There are no existing trees on-site to be removed or protected. Existing pervious area are open field with no vegetation.

Did you identify and preserve natural infiltration capacity? If so, how? If not, why? - 8 -

Yes. Landscape and gravel areas are provided as catchment for runoff coming from the roof gutters of the building, access road and pave parking area.

Did you identify and minimize impervious area? If so, how? If not, why? Yes. The building and its walkway are designed as such to minimize impervious area. Pave parking area has been minimized to the minimum required.

Did you identify and disperse runoff to adjacent pervious areas? If so, how? If not, why? Yes, landscaped areas are utilized as self-treating while remainder open areas are covered with gravel that will also serve as areas for water quality treatment in addition to the bioretention areas. - 9 -

Section C: Delineate Drainage Management Areas
(DMAs)
Utilizing the procedure in Section 3.3 of the WQMP Guidance Document which discusses the methods of delineating and mapping your project site into individual DMAs, complete Table C.1 below to appropriately categorize the types of classification (e.g., Type A, Type B, etc.) per DMA for your project site. Upon completion of this table, this information will then be used to populate and tabulate the corresponding tables for their respective DMA classifications.

Table C.1 DMA Classifications
DMA Name or ID Surface Type(s)1 Area (Sq. Ft.) DMA Type R - 1 Roofs 11,975 D
H - 2 Concrete or Asphalt 80,072 D
L - 3 Landscape 29,919 A
1Reference Table 2-1 in the WQMP Guidance Document
to populate this column
Table C.2 Type ‘A’, Self-Treating Areas
DMA Name or ID Area (Sq. Ft.) Stabilization Type Irrigation Type (if any) L – 3 29,919 Vegetated Sprinkler System
Table C.3 Type ‘B’, Self-Retaining Areas
Self-Retaining Area
Type ‘C’ DMAs that are draining to the Self-Retaining
Area
DMA
Area
(square
feet)
Storm
Depth
(inches) DMA
[C] from Table C.4
=
Required Retention Depth
(inches)
Name/ ID
Post-project
surface type [A] [B]
Name /
ID [C] [D]
[𝐵] ∙ [𝐶] [𝐷] = [𝐵] + [𝐴]
- 10 -

Table C.4 Type ‘C’, Areas that Drain to Self-Retaining Areas DMA Receiving Self-Retaining DMA DMA Name/ ID Area (square feet) Post-project surface type Runoff factor Product
DMA name /ID
Area (square
feet) Ratio
[A] [B] [C] = [A] x [B] [D] [C]/[D]
Table C.5 Type ‘D’, Areas Draining to BMPs
DMA Name or ID BMP Name or ID
R - 1 BMP
H - 2 BMP
Note: More than one drainage management area can drain to a single LID BMP, however, one drainage management area may not drain to more than one BMP. - 11 -

Y N

Section D: Implement LID BMPs
D.1 Infiltration Applicability
Is there an approved downstream ‘Highest and Best Use’ for stormwater runoff (see discussion in Chapter 2.4.4 of the WQMP Guidance Document for further details)? If yes has been checked, Infiltration BMPs shall not be used for the site; proceed to section D.3 If no, continue working through this section to implement your LID BMPs. It is recommended that you contact your Co-Permittee to verify whether or not your project discharges to an approved downstream ‘Highest and Best Use’ feature.

Geotechnical Report
A Geotechnical Report or Phase I Environmental Site Assessment may be required by the Copermittee to confirm present and past site characteristics that may affect the use of Infiltration BMPs. In addition, the Co-Permittee, at their discretion, may not require a geotechnical report for small projects as described in Chapter 2 of the WQMP Guidance Document. If a geotechnical report has been prepared, include it in Appendix 3. In addition, if a Phase I Environmental Site Assessment has been prepared, include it in Appendix 4.

A Geotechnical Report is required by the City of Lake Perris to confirm present and past site characteristics that may affect the use of Infiltration BMPs, see Appendix 3.

Is this project classified as a small project consistent with the requirements of Chapter 2 of the WQMP Guidance Document? Y N
Infiltration Feasibility
Table D.1 below is meant to provide a simple means of assessing which DMAs on your site support Infiltration BMPs and is discussed in the WQMP Guidance Document in Chapter 2.4.5. Check the appropriate box for each question and then list affected DMAs as applicable. If additional space is needed, add a row below the corresponding answer.

Table D.1 Infiltration Feasibility
Does the project site… YES NO
…have any DMAs with a seasonal high groundwater mark shallower than 10 feet? X If Yes, list affected DMAs:
…have any DMAs located within 100 feet of a water supply well? X If Yes, list affected DMAs:
…have any areas identified by the geotechnical report as posing a public safety risk where infiltration of stormwater could have a negative impact?
X
If Yes, list affected DMAs:
…have measured in-situ infiltration rates of less than 1.6 inches / hour? X If Yes, list affected DMAs 1 and 2:
…have significant cut and/or fill conditions that would preclude in-situ testing of infiltration rates at the final infiltration surface?
X
If Yes, list affected DMAs:
…geotechnical report to identify other site-specific factors that would preclude effective and safe infiltration? X Describe here: None
If you answered “Yes” to any of the questions above for any DMA, Infiltration BMPs should not be used for those DMA’s and you should proceed to the assessment for Harvest and Use below. - 12 -

D.2 Harvest and Use Assessment
The following condition apply:
☐ Reclaimed water will be used for the non-potable water demands for the project. ☐Downstream water rights may be impacted by Harvest and Use as approved by the Regional Board (verify with the City of Riverside).
☐The Design Capture Volume will be addressed using Bioretention Area. Only BMPs. (Harvest and Use BMPs are still encouraged but are not required as the Design Capture Volume will be evapotranspired.)
If any of the above boxes have been checked, Harvest and Use BMPs need not be assessed for the site. If none of the above criteria applies, follow the steps below to assess the feasibility of irrigation use, toilet use and other non-potable uses (e.g., industrial use).

Harvest and Use BMPs need not be assessed for the site.

Irrigation Use Feasibility
Complete the following steps to determine the feasibility of harvesting stormwater runoff for Irrigation Use BMPs on your site:

Step 1: Identify the total area of irrigated landscape on the site, and the type of landscaping used.

Total Area of Irrigated Landscape: Acres
Type of Landscaping (Conservation Design or Active Turf): Active Turf Step 2: Identify the planned total of all impervious areas on the proposed project from which runoff might be feasibly captured and stored for irrigation use. Depending on the configuration of buildings and other impervious areas on the site, you may consider the site as a whole, or parts of the site, to evaluate reasonable scenarios for capturing and storing runoff and directing the stored runoff to the potential use(s) identified in Step 1 above.

Total Area of Impervious Surfaces: Acres
Step 3: Cross reference the Design Storm depth for the project site (see Exhibit A of the WQMP Guidance Document) with the left column of Table 2-3 in Chapter 2 to determine the minimum area of Effective Irrigated Area per Tributary Impervious Area (EIATIA).

Enter your EIATIA factor:

Step 4: Multiply the unit value obtained from Step 3 by the total of impervious areas from Step 2 to develop the minimum irrigated area that would be required.

Minimum required irrigated area: Acres
Step 5: Determine if harvesting stormwater runoff for irrigation use is feasible for the project by comparing the total area of irrigated landscape (Step 1) to the minimum required irrigated area (Step 4).

Minimum required irrigated area (Step 4) Available Irrigated Landscape (Step 1) - 13 -

Toilet Use Feasibility
Complete the following steps to determine the feasibility of harvesting stormwater runoff for toilet flushing uses on your site:

Step 1: Identify the projected total number of daily toilet users during the wet season, and account for any periodic shut downs or other lapses in occupancy:

Projected Number of Daily Toilet Users:

Project Type:

Step 2: Identify the planned total of all impervious areas on the proposed project from which runoff might be feasibly captured and stored for toilet use. Depending on the configuration of buildings and other impervious areas on the site, you may consider the site as a whole, or parts of the site, to evaluate reasonable scenarios for capturing and storing runoff and directing the stored runoff to the potential use(s) identified in Step 1 above.

Total Area of Impervious Surfaces: Acres
Step 3: Enter the Design Storm depth for the project site (see Exhibit A) into the left column of Table 2-2 in Chapter 2 to determine the minimum number or toilet users per tributary impervious acre (TUTIA).

Enter your TUTIA factor:

Step 4: Multiply the unit value obtained from Step 3 by the total of impervious areas from Step 2 to develop the minimum number of toilet users that would be required.

Minimum number of toilet users:

Step 5: Determine if harvesting stormwater runoff for toilet flushing use is feasible for the project by comparing the Number of Daily Toilet Users (Step 1) to the minimum required number of toilet users (Step 4).

Minimum required Toilet Users (Step 4) Projected number of toilet users (Step 1) Other Non-Potable Use Feasibility
Are there other non-potable uses for stormwater runoff on the site (e.g. industrial use)? See Chapter 2 of the Guidance for further information. If yes, describe below. If no, write N/A.

Step 1: Identify the projected average daily non-potable demand, in gallons per day, during the wet season and accounting for any periodic shut downs or other lapses in occupancy or operation.

Average Daily Demand:

Step 2: Identify the planned total of all impervious areas on the proposed project from which runoff might be feasibly captured and stored for the identified non-potable use. Depending on the configuration of buildings and other impervious areas on the site, you may consider the site as a whole, or parts of the site, to evaluate reasonable scenarios for capturing and storing runoff and directing the stored runoff to the potential use(s) identified in Step 1 above. - 14 -

Total Area of Impervious Surfaces: Acres
Step 3: Enter the Design Storm depth for the project site (see Exhibit A) into the left column of Table 2-4 in Chapter 2 to determine the minimum demand for non-potable uses per tributary impervious acre.

Enter the factor from Table 2-4: gpd
Step 4: Multiply the unit value obtained from Step 3 by the total of impervious areas from Step 2 to develop the minimum number of gallons per day of non-potable use that would be required.

Minimum required use:

Step 5: Determine if harvesting stormwater runoff for other non-potable use is feasible for the project by comparing the projected average daily use (Step 1) to the minimum required non-potable use (Step 4).

If Irrigation, Toilet and Other Use feasibility anticipated demands are less than the applicable minimum values, Harvest and Use BMPs are not required and you should proceed to utilize LID Bioretention and Biotreatment per Section 3.4.2 of the WQMP Guidance Document.

D.3 Bioretention and Biotreatment Assessment
Other LID Bioretention and Biotreatment BMPs as described in Chapter 2.4.7 of the WQMP Guidance Document are feasible on nearly all development sites with sufficient advance planning.

For the project, following applies:

X LID Bioretention BMPs will be used for some, or all DMAs of the project as noted below in Section D.4
☐ A site-specific analysis demonstrating the technical infeasibility of all LID BMPs has been performed and is included in Appendix 5.
- 15 -
Minimum required non-potable use (Step 4) Projected average daily use (Step 1)

D.4 Feasibility Assessment Summaries
Table D.2 LID Prioritization Summary Matrix
LID BMP Hierarchy No LID
DMA (Alternative
Name/ID 1. Infiltration 2. Harvest and use 3. Bioretention 4. Biotreatment Compliance) R-1
H-2

For those DMAs where LID BMPs are not feasible, provide a brief narrative below summarizing why they are not feasible, include your technical infeasibility criteria in Appendix 5, and proceed to Section E below to document Alternative Compliance measures for those DMAs. Recall that each proposed DMA must pass through the LID BMP hierarchy before alternative compliance measures may be considered.

Runoffs from building roofs and parking are treated with the use of bioretention and gravel areas that also treats storm water runoff as it is slowly conveyed into the ground. These areas have very shallow slopes to allow maximum contact time with the gravel. Landscape and irrigated areas are treated as selftreating LID BMP's. - 16 -

D.5 LID BMP Sizing
Table D.3 DCV Calculations for LID BMPs
DMA
Type/ID
DMA
Area
(square
feet)
PostProject
Surface
Type
Effective
Impervious
Fraction, If
DMA
Runoff
Factor
DMA
Areas x
Runoff
Factor
Enter BMP A / Building Roof,
Parking and Trash Enclosure and
Landscaping
Bioretention LID [A] [B] [C] [A] x [C]
R - 1 11,975 Roof 1 0.892 10,682
Design
Storm
Depth
(in)
[E]
Design
Capture
Volume, VBMP
(cubic feet)
[F]= DXE/12
Proposed
Volume
on Plans
(cubic
feet)
[G]
H - 2 87872 Concrete or
Asphalt
1 0.892 71,424
L - 3 29,919 Landscaping 0.1 0.11 3,291
TOTAL 129,766 85,397 0.65 4,824 8,308
[B], [C] is obtained as described in Section 2.3.1 of the WQMP Guidance Document [E] is obtained from Exhibit A in the WQMP Guidance Document [G] is obtained from LID BMP design procedure sheet, placed in Appendix 6 Table D.4 DCV Calculations for LID BMPs
DMA
Type/ID
DMA
Area
(square
feet)
PostProject
Surface
Type
Effective
Impervious
Fraction, If
DMA
Runoff
Factor
DMA
Areas x
Runoff
Factor
Enter BMP B / Parking, Trash
Enclosure
Infiltration Trench B [A] [B] [C] [A] x [C]
Design
Storm
Depth
(in)
[E]
Design Capture
Volume, VBMP
(cubic feet)
[F]= DXE/12
Proposed
Volume
on Plans
(cubic
feet)
[G]
TOTAL
[B], [C] is obtained as described in Section 2.3.1 of the WQMP Guidance Document [E] is obtained from Exhibit A in the WQMP Guidance Document [G] is obtained from LID BMP design procedure sheet, placed in Appendix 6 - 17 -

Table D.5 DCV Calculations for LID BMPs
DMA
Type/ID
DMA
Area
(square
feet)
PostProject
Surface
Type
Effective
Impervious
Fraction, If
DMA
Runoff
Factor
DMA
Areas x
Runoff
Factor
Enter BMP Landscape
Retaining
Vegetated Landscape
/ Self-
[A] [B] [C] [A] x [C]
Design
Storm
Depth
(in)
[E]
Design Capture
Volume, VBMP
(cubic feet)
[F]= DXE/12
Proposed
Volume
on Plans
(cubic
feet)
[G]
TOTAL
[B], [C] is obtained as described in Section 2.3.1 of the WQMP Guidance Document [E] is obtained from Exhibit A in the WQMP Guidance Document [G] is obtained from LID BMP design procedure sheet, placed in Appendix 6 - 18 -

Table D.6 DCV Calculations for LID BMPs
DMA
Type/ID
DMA
Area
(square
feet)
PostProject
Surface
Type
Effective
Impervious
Fraction, If
DMA
Runoff
Factor
DMA
Areas x
Runoff
Factor
Enter BMP Name / Identifier Here
Vegetated Channel (TC-30) [A] [B] [C] [A] x [C]
Design
Storm
Depth
(in)
[E]
Design Capture
Volume, VBMP
(cubic feet)
[F]= DXE/12
Proposed
Volume
on Plans
(cubic
feet)
[G]
[B], [C] is obtained as described in Section 2.3.1 of the WQMP Guidance Document [E] is obtained from Exhibit A in the WQMP Guidance Document [G] is obtained from LID BMP design procedure sheet, placed in Appendix - 19 -

Section E: Alternative Compliance (LID Waiver Program)
LID BMPs are expected to be feasible on virtually all projects. Where LID BMPs have been demonstrated to be infeasible as documented in Section D, other Treatment Control BMPs must be used (subject to LID waiver approval by the Co-permittee). Check one of the following Boxes:
☒ LID Principles and LID BMPs have been incorporated into the site design to fully address all Drainage Management Areas. No alternative compliance measures are required for this project and thus this Section is not required to be completed.
- Or -
☐ The following Drainage Management Areas are unable to be addressed using LID BMPs. A site-specific analysis demonstrating technical infeasibility of LID BMPs has been approved by the Co-Permittee and included in Appendix 5. Additionally, no downstream regional and/or subregional LID BMPs exist or are available for use by the project. The following alternative compliance measures on the following pages are being implemented to ensure that any pollutant loads expected to be discharged by not incorporating LID BMPs, are fully mitigated.

None
- 20 -

E.1 Identify Pollutants of Concern
Utilizing Table A.1 from Section A above which noted your project’s receiving waters and their associated EPA approved 303(d) listed impairments, cross reference this information with that of your selected Priority Development Project Category in Table E.1 below. If the identified General Pollutant Categories are the same as those listed for your receiving waters, then these will be your Pollutants of Concern and the appropriate box or boxes will be checked on the last row. The purpose of this is to document compliance and to help you appropriately plan for mitigating your Pollutants of Concern in lieu of implementing LID BMPs.

Table E.1 Potential Pollutants by Land Use Type
Priority Development
Project Categories and/or
Project Features (check those
that apply)
General Pollutant Categories
Bacterial
Indicators Metals Nutrients Pesticides
Toxic
Organic
Compounds
Sediments Trash &
Debris
Oil &
Grease
Detached Residential
Development P N P P N P P P
Attached Residential
Development P N P P N P P P(2)
Commercial/Industrial
Development P(3) P P(1) P(1) P(5) P(1) P P
Automotive Repair
Shops N P N N P(4, 5) N P P
Restaurants
(>5,000 ft2) P N N N N N P P
Hillside Development
(>5,000 ft2) P N P P N P P P
Parking Lots
(>5,000 ft2) P(6) P P(1) P(1) P(4) P(1) P P
Retail Gasoline Outlets N P N N P N P P
Project Priority Pollutant(s)
of Concern
P = Potential
N = Not Potential
(1) A potential Pollutant if non-native landscaping exists or is proposed onsite; otherwise not expected (2) A potential Pollutant if the project includes uncovered parking areas; otherwise not expected (3) A potential Pollutant is land use involving animal waste (4) Specifically petroleum hydrocarbons
(5) Specifically solvents
(6) Bacterial indicators are routinely detected in pavement runoff - 21 -

E.2 Stormwater Credits
Projects that cannot implement LID BMPs but nevertheless implement smart growth principles are potentially eligible for Stormwater Credits. Utilize Table 3-8 within the WQMP Guidance Document to identify your Project Category and its associated Water Quality Credit. If not applicable, write N/A.

Table E.2 Water Quality Credits
Qualifying Project Categories Credit Percentage2
N/A
Total Credit Percentage1
1Cannot Exceed 50%
2Obtain corresponding data from Table 3-8 in the WQMP Guidance Document E.3 Sizing Criteria
After you appropriately considered Stormwater Credits for your project, utilize Table E.3 below to appropriately size them to the DCV, or Design Flow Rate, as applicable. Please reference Chapter 3.5.2 of the WQMP Guidance Document for further information.

Table E.3 Treatment Control BMP Sizing
DMA Post- DMA
Area Project Effective DMA Area x
DMA (square Surface Impervious Runoff Runoff Enter BMP Name / Identifier Here Type/ID feet) Type Fraction, If Factor Factor
[A] [B] [C] [A] x [C]
N/A
Minimum
Design
Proposed
Volume
Capture Total Storm or Flow
Design
Storm
Volume or
Design Flow
Water
Credit %
on Plans
(cubic
Depth Rate (cubic Reduction feet or
(in) feet or cfs) cfs)
[B], [C] is obtained as described in Section 2.3.1 from the WQMP Guidance Document [E] is obtained from Exhibit A in the WQMP Guidance Document [G] is for Flow-Based Treatment Control BMPs [G] = 43,560, for Volume-Based Control Treatment BMPs, [G] = 12 [H] is from the Total Credit Percentage as Calculated from Table E.2 above [I] as obtained from a design procedure sheet from the BMP manufacturer and should be included in Appendix 6 - 22 -

E.4 Treatment Control BMP Selection
Treatment Control BMPs typically provide proprietary treatment mechanisms to treat potential pollutants in runoff, but do not sustain significant biological processes. Treatment Control BMPs must have a removal efficiency of a medium or high effectiveness as quantified below:
• High: equal to or greater than 80% removal efficiency • Medium: between 40% and 80% removal efficiency
Such removal efficiency documentation (e.g., studies, reports, etc.) as further discussed in Chapter 3.5.2 of the WQMP Guidance Document, must be included in Appendix 6. In addition, ensure that proposed Treatment Control BMPs are properly identified on the WQMP Site Plan in Appendix 1.

Table E.4 Treatment Control BMP Selection
Selected Treatment Control BMP
Name or ID1
Priority Pollutant(s)
Concern to Mitigate2
of Removal
Percentage3
Efficiency
N/A
1 Treatment Control BMPs must not be constructed within Receiving Waters. In addition, a proposed Treatment Control BMP may be listed more than once if they possess more than one qualifying pollutant removal efficiency. 2 Cross Reference Table E.1 above to populate this column. 3 As documented in a Co-Permittee Approved Study and provided in Appendix 6. - 23 -

Section F: Hydromodification
F.1 Hydrologic Conditions of Concern (HCOC) Analysis
Once you have determined that the LID design is adequate to address water quality requirements, you will need to assess if the proposed LID Design may still create a HCOC. Review Chapters 2 and 3 (including Figure 3-7) of the WQMP Guidance Document to determine if your project must mitigate for Hydromodification impacts. If your project meets one of the following criteria which will be indicated by the check boxes below, you do not need to address Hydromodification at this time. However, if the project does not qualify for Exemptions 1, 2 or 3, then additional measures must be added to the design to comply with HCOC criteria. This is discussed in further detail below in Section F.2.

The project does not create a Hydrologic Condition of Concern (HCOC), meeting the criteria for HCOC Exemption as shown below:

HCOC EXEMPTION 1: The Priority Development Project disturbs less than one acre. The Copermittee has the discretion to require a Project-Specific WQMP to address HCOCs on projects less than one acre on a case by case basis. The disturbed area calculation should include all disturbances associated with larger common plans of development.

Does the project qualify for this HCOC Exemption? Y N
If Yes, HCOC criteria do not apply.

HCOC EXEMPTION 2: The volume and time of concentration1 of storm water runoff for the postdevelopment condition is not significantly different from the pre-development condition for a 2-year return frequency storm (a difference of 5% or less is considered insignificant) using one of the following methods to calculate:
• Riverside County Hydrology Manual
• Technical Release 55 (TR-55): Urban Hydrology for Small Watersheds (NRCS 1986), or derivatives thereof, such as the Santa Barbara Urban Hydrograph Method • Other methods acceptable to the Co-Permittee
Does the project qualify for this HCOC Exemption? Y N
The proximity of the proposed development of approximately 5 feet to the nearest discharge area is very small which makes the time of concentration negligible.

If Yes, report results in Table F.1 below and provide your substantiated hydrologic analysis in Appendix 7.

Table F.1 Hydrologic Conditions of Concern Summary
2 year – 24 hour
Pre-condition Post-condition % Difference
Time of
Concentration
5 MINUTES 6 MINUTES 1.20%
Volume (Cubic Feet) 0.249 AC FT 0.382 AC FT 1.53%
1 Time of concentration is defined as the time after the beginning of the rainfall when all portions of the drainage basin are contributing to flow at the outlet.
- 24 -

HCOC EXEMPTION 3: All downstream conveyance channels to an adequate sump (for example, Prado Dam, Lake Elsinore, Canyon Lake, Santa Ana River, or other lake, reservoir or naturally erosion resistant feature) that will receive runoff from the project are engineered and regularly maintained to ensure design flow capacity; no sensitive stream habitat areas will be adversely affected; or are not identified on the Co-Permittees Hydromodification Susceptibility Maps.

Does the project qualify for this HCOC Exemption? Y N
If Yes, HCOC criteria do not apply and note below which adequate sump applies to this HCOC qualifier:

Lake Elsinore will receive runoff from the project.

F.2 HCOC Mitigation
If none of the above HCOC Exemption Criteria are applicable, HCOC criteria is considered mitigated if they meet one of the following conditions:
a. Additional LID BMPS are implemented onsite or offsite to mitigate potential erosion or habitat impacts as a result of HCOCs. This can be conducted by an evaluation of site-specific conditions utilizing accepted professional methodologies published by entities such as the California Stormwater Quality Association (CASQA), the Southern California Coastal Water Research Project (SCCRWP), or other Co-Permittee approved methodologies for site-specific HCOC analysis.
b. The project is developed consistent with an approved Watershed Action Plan that addresses HCOC in Receiving Waters.
c. Mimicking the pre-development hydrograph with the post-development hydrograph, for a 2- year return frequency storm. Generally, the hydrologic conditions of concern are not significant, if the post-development hydrograph is no more than 10% greater than pre-development hydrograph. In cases where excess volume cannot be infiltrated or captured and reused, discharge from the site must be limited to a flow rate no greater than 110% of the predevelopment 2-year peak flow.

X d. None
Be sure to include all pertinent documentation used in your analysis of the items a, b or c in Appendix 7. - 25 -

Section G: Source Control BMPs
Source control BMPs include permanent, structural features that may be required in your project plans — such as roofs over and berms around trash and recycling areas — and Operational BMPs, such as regular sweeping and “housekeeping”, that must be implemented by the site’s occupant or user. The MEP standard typically requires both types of BMPs. In general, Operational BMPs cannot be substituted for a feasible and effective permanent BMP. Using the Pollutant Sources/Source Control Checklist in Appendix 8, review the following procedure to specify Source Control BMPs for your site:

1. Identify Pollutant Sources: Review Column 1 in the Pollutant Sources/Source Control Checklist.

Check off the potential sources of Pollutants that apply to your site.

2. Note Locations on Project-Specific WQMP Exhibit: Note the corresponding requirements listed in Column 2 of the Pollutant Sources/Source Control Checklist. Show the location of each Pollutant source and each permanent Source Control BMP in your Project-Specific WQMP Exhibit located in Appendix 1.

3. Prepare a Table and Narrative: Check off the corresponding requirements listed in Column 3 in the Pollutant Sources/Source Control Checklist. In the left column of Table G.1 below, list each potential source of runoff Pollutants on your site (from those that you checked in the Pollutant Sources/Source Control Checklist). In the middle column, list the corresponding permanent, Structural Source Control BMPs (from Columns 2 and 3 of the Pollutant Sources/Source Control Checklist) used to prevent Pollutants from entering runoff. Add additional narrative in this column that explains any special features, materials or methods of construction that will be used to implement these permanent, Structural Source Control BMPs.

4. Identify Operational Source Control BMPs: To complete your table, refer once again to the Pollutant Sources/Source Control Checklist. List in the right column of your table the Operational BMPs that should be implemented as long as the anticipated activities continue at the site. Copermittee stormwater ordinances require that applicable Source Control BMPs be implemented; the same BMPs may also be required as a condition of a use permit or other revocable Discretionary Approval for use of the site.

The following table identifies the potential sources of runoff pollutants for this project and specifies how they are addressed through permanent controls and operational BMP's:

Table G.1 Permanent and Operational Source Control Measures Potential Sources of Runoff
pollutants
Permanent Structural Source
Control BMPs
Operational Source Control BMPs
A. Landscape/Outdoor Pesticide Use The final landscape shall be designed to accomplish all of the following:

Design landscape to minimize irrigation and
runoff, to promote surface infiltration where
appropriate and to minimize the use of
fertilizers and pesticides that can contribute
to stormwater pollution.

Where landscaped areas are used to retain
or detain stormwater, specify plants that are
tolerant of saturated soil conditions.

Maintain landscaping using minimum or no
pesticides.

See applicable operational BMP’s in “What
you should know for Landscape and
Gardening” at http://rcflood.org/stormwater
and Appendix 10,
Provide IPM information to new owners,
lessees and operators.

Landscape maintenance should include
- 26 -

Consider using pest-resistant plants,
especially adjacent to hardscape.

To insure successful establishments, select
plants appropriate to site, soils, slopes,
climate, sun, wind, rain, land use, air
movement, ecological consistency and plant
interactions.

Pesticide usage should be at a necessary
minimum and be consistent with the
instructions contained on product labels and
the regulations administered by the State
Department of Pesticide Regulation.

Pesticides should be used at an absolute
minimum or not at all in the
retention/infiltration basin. If used it should
not be applied in close proximity to the rainy
season.
mowing, weeding, trimming, removal of trash
and debris, repair of erosion, revegetation,
and removal of cut and dead vegetation.

Irrigation maintenance should include the
repair of leaky or broken sprinkler heads, the
maintaining of timing apparatus accuracy,
and the maintaining of shut-off valves in good
working order.

B. Refuse Trash Storage Areas Trash container storage areas shall be paved with and impervious surface, designed not to
allow run-on from adjoining areas, designed
to divert drainage from adjoining roofs and
pavements from the surrounding area, and
screened or walled to prevent off-site
transport of trash.

Trash dumpsters (containers) shall be roofed
per City of Perris standards and details on
the Appendix 1.

See CASQA SD-32 BMP Fact Sheets in
Appendix 10 for additional information.

Signs shall be posted on or near dumpsters
with the words “Do not dump hazardous
materials here” or similar
Adequate number of receptacles shall be
provided. Inspect receptacles regularly;
repair or replace leaky receptacle. Keep
receptacles covered.

Prohibit/prevent dumping of liquid or
hazardous wasted. Post “No hazardous
materials” signs.

Inspect and pickup litter daily and clean up
spills immediately. Keep spill control
materials available onsite. See Fact Sheet
SC-34, in Appendix 10, “Waste Handling and
Disposal” in the CASQA Stormwater Quality
Handbook at www.cabmphandbooks.com
C. Parking Lots and walkways Spill kits are to be kept on-site at all times per SC-11
Sweep sidewalks and parking lots regularly
to prevent accumulation of litter and debris.

D. Bioretention Area See Fact Sheet TC-32, in Appendix 10, “Bioretention” in the CASQA Stormwater
Quality Handbook at
www.cabmphandbooks.com
Remove trash, debris, sediment and other
collected materials, as needed to maintain
the original condition and capacity of the
bioretention area.
- 27 -

Section H: Construction Plan Checklist
Populate Table H.1 below to assist the plan checker in an expeditious review of your project. The first two columns will contain information that was prepared in previous steps, while the last column will be populated with the corresponding plan sheets. This table is to be completed with the submittal of your final Project-Specific WQMP.

Table H.1 Construction Plan Cross-reference
BMP No. or
ID BMP Identifier and Description
Corresponding Plan Sheet(s) LATITUDE/LONGITUDE
Note that the updated table — or Construction Plan WQMP Checklist — is only a reference tool to facilitate an easy comparison of the construction plans to your Project-Specific WQMP. Co-Permittee staff can advise you regarding the process required to propose changes to the approved Project-Specific WQMP.

Note: This section will be completed during Final Engineering. - 28 -

Section I: Operation, Maintenance and Funding
The Co-permittee will periodically verify that Stormwater BMPs on your site are maintained and continue to operate as designed. To make this possible, your Co-permittee will require that you include in Appendix 9 of this Project-Specific WQMP:

1. A means to finance and implement facility maintenance in perpetuity, including replacement cost.

2. Acceptance of responsibility for maintenance from the time the BMPs are constructed until responsibility for operation and maintenance is legally transferred. A warranty covering a period following construction may also be required.

3. An outline of general maintenance requirements for the Stormwater BMPs you have selected.

4. Figures delineating and designating pervious and impervious areas, location, and type of Stormwater BMP, and tables of pervious and impervious areas served by each facility. Geolocating the BMPs using a coordinate system of latitude and longitude is recommended to help facilitate a future statewide database system.

5. A separate list and location of self-retaining areas or areas addressed by LID Principles that do not require specialized O&M or inspections but will require typical landscape maintenance as noted in Chapter 5, pages 85-86, in the WQMP Guidance. Include a brief description of typical landscape maintenance for these areas.

Your local Co-Permittee will also require that you prepare and submit a detailed Stormwater BMP Operation and Maintenance Plan that sets forth a maintenance schedule for each of the Stormwater BMPs built on your site. An agreement assigning responsibility for maintenance and providing for inspections and certification may also be required.

Details of these requirements and instructions for preparing a Stormwater BMP Operation and Maintenance Plan are in Chapter 5 of the WQMP Guidance Document.

Maintenance Mechanism:

Will the proposed BMPs be maintained by a Home Owners’ Association (HOA) or Property Owners Association (POA)?
Y N
Include your Operation and Maintenance Plan and Maintenance Mechanism in Appendix 9. Additionally, include all pertinent forms of educational materials for those personnel that will be maintaining the proposed BMPs within this Project-Specific WQMP in Appendix 10.

As required by the City of Perris, the following Operation, Maintenance and Funding details are provided as summarized.

6. A means to finance and implement facility maintenance in perpetuity, including replacement cost.

7. Acceptance of responsibility for maintenance from the time the BMPs are constructed until responsibility for operation and maintenance is legally transferred.

8. An outline of general maintenance requirements for the Stormwater BMPs selected. - 29 -

9. Figures delineating and designating pervious and impervious areas, location, and type of Stormwater BMP, and tables of pervious and impervious areas served by each facility.

10. A separate list and location of self-retaining areas or areas addressed by LID Principles that do not require specialized O&M or inspections but will require typical landscape maintenance as noted in Chapter 5, pages 85-86, in the WQMP Guidance.

See Appendix 9 a detailed Stormwater BMP Operation and Maintenance Plan that sets forth a maintenance schedule for each of the Stormwater BMPs built onsite and an agreement assigning responsibility for maintenance and providing for inspections and certification.

Educational materials for those personnel that will be maintaining the proposed BMPs within this ProjectSpecific WQMP are included in Appendix 10.

Note: This section will be completed during Final Engineering. - 30 -
Appendix 1: Maps and Site Plans
Location Map, WQMP Site Plan and Receiving Waters Map
- 31 -

Appendix 2: Construction Plans
Grading and Drainage Plans Attached

PRELIMINARY PLANS
- 32 -
CONSTRUCTION NOTES:
2 1-20-2023
Nelson M. Manlolo
C 36838
06-30- 24
Post-Construction BMP Site Plan
& Details For Collier Properties
DRAINAGE MANAGEMENT AREA PLAN FOR COLLIER COMMERCIAL PROPERTIES, LAKE ELSINORE, CA. 1-18-2023
Nelson M. Manlolo
C 36838
06-30- 24
Post-Construction DMA Site Plan
& Details For Lake Elsinore Rentals
ST.

AVE. COLLIER

MINTHORN

INDEX MAP
LEGEND

CITY OF LAKE ELSINORE
APPROXIMATE EARTHWORK QUANTITIES:
1-20-2023
Nelson M. Manlolo
C 36838
06-30- 24

SHEET INDEX
TITLE SHEET SHEET 1
PRECISE GRADING PLAN SHEET 2
,,
,
CONSTRUCTION NOTES AND ESTIMATED QUANTITI ES: 0
0 CONSlRUCT 810RITTNTION AREA = 4,154 S.F. X 2' DEPTH
© CONST 6" CURB T'l'PE "D" PER COUNTY STD. NO. 204
i
Q) CONSl. 4' A/C 1'1/ SfAL COAf OVER s• AGGHEGATE BASE CLASS 2 (SECTION I.IAYBE ~.L1EREO BY SCILS EN~INEfR AFTER ROUGH GRil.OING) © RELOC.1'.E EXISTING POWER POLE.
(t CONSTRUCI 8' HIGH BLOCKVIALL FENCE BY orHERS AND SEPARME PERMli. © NST~.ll LANDSCAPING PER LlliDSC.\P[ ARCHITECJ'S PLAN
CONSTRUCT i lv\SH ENCLOSURE PER ARCHliEC1S PIAN.

PROTECT EXISTING BLOCKY/ALL, CHAl~UNK !ENCE A~D WATER 'IAL'lf..

INS'IALL 4" 'I/ OE SIRPPEO PARKl~G S1ALLS PcR CIIY SID. Mm ARCH.llCl'S PLAN.

INSTALL 4' l110E 45 OCGREE STRl
0PINGAT 36" 0.C. TO DENOTE H#IOICAPPED PARKING
. .AJSLE AND ACCESS fROM WAcK 10 BJILDING . SEE ARC~lfECI DR~/IINGS FOR DEIAILS. 11 ~..'.) INST/Ill H/,NDIC~0 PEO PARKING SIGNS PER CITY STD. NID ARCHITFCf'S PIA~.

W INSTAU. 40' POWER G,\1£S BY OTrlERS.
1}J RfFER TO ARCHIT[C1S PLAN FOR BUILDl~G AND OTHER DITA1LS [Jj; CONSTRUCT 4' PCC CONCRffi APRON 0'iER f'REPARED BASE. @: CONSTRUCT 12' X 12• CATCH 13.',SIN FOR DR1'NAGE OVERFLOW. @: CONSTRUCT 6" PVC PIPE AT S=.005D MIN.
@ PROV10E 6" DEEP CURB SLOTS FOR INFLOW AT EVERY 15· IA~X. ON CENlER. >
.:::::-
• a
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tOf'le•e<:e. btO<";~ "'"!I
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MARK REVISIONS i-------+---------------------------1----1--- f..___
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I SCALE: 1"= 30'
ADJACENT PRO. ERTi' RETEJ,TION BAY /
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XISTING 6' TALL CONCRETE BLOCK WALl@
[AD.IACEl<T NOPERTY TOW YARC l
- HESE PLA,s H,,VE BcEN REVJE',/ED ,u, CO>?LJANCE \JJTH THE OF AND/ OR Cl rv AND STATE LA\JS AND HAVE BEEN FOUNO ACCFPTOBI E DATE
CITY [NGINE[R
HABIB. RCE No. 83156

CI TY OF LAKE ELSINORE

PREPARED BY,
1-20-2023
DATE
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NM Civil F.ngineering, Tnc. 22880 Von Buren Street Grcnd Terr-ace, CA 92513 (951)712 0623 .________,Ne,[email protected]
sCALE: 1~9L:C;~ ~;l~K; l;g 74 fro,, 1' = JO' t.he AH.SF Ro.ll•o.y sto.tkm 11 t [(sl1-----------li~7 t45?~.-t2fi;,a:,.. Jt~~;;. of f'"ON".eo by J,,nd,cn 0n 1r:. All,
DAT[1 O[f.FMBER ?021 Sf Rflhoy RN. ~ob, 1935 E:LEV,"' U74.8S9 PA - 202l- 22

CIT Y OF LAK E ELSINORE

PRECISE GRADING PLAN

COLLIER COMMERCIAL PROPER TIES

PLANS AN D DE TAILS
SHEET
2 SHEETS
FfLE No.

APPR. DA TE
Appendix 3: Soils Information
Geotechnical Study and Other Infiltration Testing Data.

To be provided during Final Engineering
- 33 -
Appendix 4: Historical Site Conditions
Phase I Environmental Site Assessment or Other Information on Past Site Use N/A
- 34 -
Appendix 5: LID Infeasibility
LID Technical Infeasibility Analysis
There are no constraints that will make the site LID infeasible. - 35 -
Appendix 6: BMP Design Details
BMP Sizing, Design Details and other Supporting Documentation Attached
- 36 -

1 1
1 1
1 1
1 1
1 1
1 1
1 1
1 1
1 1
1 Santa Ana Watershed - BMP Design Volume, VBMP
(Rev. 10-2011)
Required Entries Legend: Calculated Cells
(Note this worksheet shall only be used in conjunction with BMP designs from the LID BMP Design Handbook ) Company Name NM Civil Engineering Inc. Date 1/16/2023
Designed by Nelson M Manlolo Case No PA No, 2021-22
Company Project Number/Name Collier Commercial Properties BMP Identification
BMP NAME / ID DMA 1
Must match Name/ID used on BMP Design Calculation Sheet Design Rainfall Depth
85th Percentile, 24-hour Rainfall Depth, D85 = 0.65 inches from the Isohyetal Map in Handbook Appendix E
Drainage Management Area Tabulation
Insert additional rows if needed to accommodate all DMAs draining to the BMP Proposed
Design Capture Effective DMA Design Volume on
DMA DMA Area Post-Project Surface Imperivous Runoff DMA Areas x Storm Volume, VBMP Plans (cubic Type/ID (square feet) Type Fraction, If Factor Runoff Factor Depth (in) (cubic feet) feet) R-1 11,975 Roofs 1 0.89 10681.7
H-2 87,872 Concrete or Asphalt 1 0.89 78381.8
99847 Total 89063.5 0.65 4824.3 8,308
Notes:

BMP ID
DMA 1
Company Name: Date: 1/20/2023
County/City Case No.: PA2021-22
Bioretention Facility - Design Procedure Legend:

NM Civil Engineering Inc.

Calculated Cells
Required Entries

dE = (0.3) x d dE = 1.48 ft S + (0.4) x 1 - (0.7/wT) + 0.5 Designed by: Nelson Manlolo
Design Volume
Enter the area tributary to this feature AT= 2.11 acres Enter VBMP determined from Section 2.1 of this Handbook VBMP = 4,824 ft3 Type of Bioretention Facility Design
Side slopes required (parallel to parking spaces or adjacent to walkways) No side slopes required (perpendicular to parking space or Planter Boxes) Bioretention Facility Surface Area
Depth of Soil Filter Media Layer dS = 2.0 ft
Top Width of Bioretention Facility, excluding curb wT = 40.0 ft Total Effective Depth, dE
dE = [(0.3) x dS + (0.4) x 1] + 0.5 dE = 1.50 ft
Minimum Surface Area, Am 3 VBMP (ft ) 2 AM (ft ) = dE (ft) Proposed Surface Area
AM =
A=
3,216
4,154
2 ft
2 ft
Minimum Required Length of Bioretention Facility, L
Bioretention Facility Properties
Side Slopes in Bioretention Facility
L =
z =

80.4 0
ft
:1
Diameter of Underdrain 6 inches
Longitudinal Slope of Site (3% maximum)
6" Check Dam Spacing
Describe Vegetation: Natural Grasses
1 25
%
feet
Notes:

Riverside County Best Management Practice Design Handbook JUNE 2010

Appendix 7: Hydromodification
Supporting Detail Relating to Hydrologic Conditions of Concern Calculations Attached
- 37 -
Appendix 8: Source Control
Pollutant Sources/Source Control Checklist
To be provided during Final Engineering
- 38 -

Appendix 9: O&M
Operation and Maintenance Plan and Documentation of Finance, Maintenance and Recording Mechanisms Operation and Maintenance Plan
BMP & Start Up
Date ReponsibleParty(s) Inspection/ Maintenance Activities Required Minimum Frequency
of Activities
Education for Owner shall familiarize himself with the contents of this WQMP and the BMP Educational materials in Section 6.4
Property Owners, and shall use these materials to inform occupants and Tenants and employees on methods to reduce pollutants in Occupants Edward & Leslie
Hamud or current
stormwater and non-stormwater runoff from this site
including:

Repeat Annually
or as often as
Start Date:
owner 1. Posting quick reference guide at the office to reinforce necessary. Building educational seminars and training.

Occupancy and 2. Educate how to reduce or avoid human errors that lead move in of new to accidental releases and
tenants 3. Provide necessary tools to immediately stop and begin cleanup should an emergency occur.

Activity
Restrictions
Start Date: Upon
Project
Completion
Edward & Leslie
Hamud or current
owner

1. Pesticide application in common areas must be
performed by an applicator certified by the California
Department of Pesticide Regulation.

2. Prohibition of outdoor storage of materials and
chemicals

3. Prohibition of Outdoor manufacturing processes.

4. Prohibition of outdoor equipment repair and storage.

5. Prohibition of outdoor equipment and vehicle cleaning Repeat Annually
or as often as
necessary.

Employee
Training/Education Program
Edward & Leslie
Hamud or current
Owner will provide staff and employees training on
Stormwater BMP's and methods to identify nonstormwater discharges and report discharges to the Repeat Semi
Annually or as
Start Date: Upon owner appropriate Agency. Also training in identifying and documenting illegal dumping incidents is required
often as
necessary.

Permit Issuance
Sweeping
Concrete Apron
and Parking Lot Edward & Leslie Sweep by hand or vacuum sweep parking lots, drive and After heavy SC-41 Hamud or current walkways area. No hosing down of area with water is allowed. Properly dispose of debris offsite. Keep log of storms and
repeated monthly
Start Date: Upon owner sweeping activities. at a minimum.

Project
Completion
- 1 -

Operation and Maintenance Plan
BMP & Start Up
Date ReponsibleParty(s) Inspection/ Maintenance Activities Required Minimum Frequency
of Activities
Landscaping
Planning and
Installation
SD-10
Start Date:

Upon Project
Design and after
landscaping are
installed.

Edward & Leslie
Hamud or current
owner
Landscape planning will couple consideration of land
suitability for urban uses with consideration of community goals and projected growth. Project plan designs will
conserve natural areas to the extent possible, maximize natural water storage and infiltration opportunities, and protect slopes and channels. Plants will be grouped with similar water requirements in order to reduce excess
irrigation runoff and promote surface filtration.

Landscaping will correlate to the climate, soil, related natural resources and existing vegetation of the site, as well as the type of development proposed. Ongoing
maintenance consistent with County Administrative
Design Guidelines (available at:
http://www.co.sanbernardino.ca.us/landuseservices/Infor mational%20Handouts/Administative%20D
esign%20Guidelines-Jan%202002.pdf) or local equivalent, plus fertilizer and pesticide usage consistent with the instructions contained on product labels and with the
regulations administered by the State Department of
Pesticide Regulation shall be implemented.Check for
landscape to be in healthy condition. Replace dead or
barren areas with plants consistent with the original type of plants.

Rpeate annually
as needed.

Efficient
Irrigation and
installation
SD-12
Start Date:

Upon Project
Design and after
installation
Edward & Leslie
Hamud or current
owner
Install irrigation timers to minimize runoff of excess
irrigation water across impervious surfaces. Used rain
triggered shutoff devises to eliminate or reduce irrigation during and immediately after precipitation, using mulches such as wood chips to minimize sediments in runoff and
to maintain soil infiltration capacity and coordinating design of the irrigation system and landscape to minimize overspray and runoff. Use flow reducers and shutoff
valves triggered by a pressure drop to control water loss in the event of broken sprinkler heads or water supply
lines. Use water conservation devices such programmable irrigation timers and soil moisture sensors. Inspect
siltation or debris washing out of planters. Sweep silt to planters and check amount of irrigations used and for
properly functioning irrigation. Check irrigation system for leaks and over spray, provide necessary maintenance as
needed.

Repeate monthly
or as needed.
- 2 -

Operation and Maintenance Plan
BMP & Start up
Date ReponsibleParty(s) Inspection/ Maintenance Activities Required Minimum Frequency
of Activities
Trash Storage
Area and Litter
Control SD-32
Start Date: At
Permit Issuance
Edward & Leslie
Hamud or current
owner
Trash enclosures areas shall be constructed with a
permanent roof over them and the container (dumpster)
areas shall have drainage from adjoining roofs and
pavements diverted around the area(s). Dumpsters shall
be leak proof and have attached permanent roof
structures. Trash compactors will be roofed and set on a concrete pad. The pad shall be a minimum of one foot
larger all around than the trash compactor and sloped to drain to a sanitary sewer line. Inspect trash enclosure area and bins for spill contamination and debris Keep log of inspection activities.

Repeate monthly
or after trash pickup.

Bioretention
Area and Catch
Basin Inspection
and
Maintenance
Start Date:

Upon Project
Completion
Edward & Leslie
Hamud or current
owner
Maintain adjacent landscape and remove trash, debris,
sediment and other collected materials in the
bioretention area and catch basin areas.

Before and after
heavy storms and
repeated
quarterly at a
minimum.
- 3 -
Appendix 10: Educational Materials
BMP Fact Sheets, Maintenance Guidelines
To be provided during Final Engineering
6-4
Appendix 11:

January 2003 California Stormwater SMP Handbook
New Development and Redevt: !opment www.cabmphandbooks.corn Appendix H
Noise Impact Assessment,
Collier Commercial Properties
Noise Impact Assessment
Collier Commercial Properties
Lake Elsinore, California
Prepared For:

Ed & Leslie Hamud
Collier Commercial Properties
43 Golfview Drive
Dove Canyon, CA 92679
Prepared By:
55 Hanover Lane, Suite A
Chico, California 95973
April 2022
(Revised August 2024)
Noise Impact Assessment
ECORP Consulting Inc.

Collier Commercial Properties
i April 2022 (Revised August 2024)
2022-020

CONTENTS

1.0 INTRODUCTION ................................................................................................................................................................... 1

1.1 Project Location and Description.................................................................................................................. 1

2.0 ENVIRONMENTAL NOISE AND GROUNDBORNE VIBRATION ANALYSIS..................................................... 2

2.1 Fundamentals of Noise and Environmental Sound............................................................................... 2

2.1.1 Addition of Decibels.......................................................................................................................... 2

2.1.2 Sound Propagation and Attenuation ......................................................................................... 4

2.1.3 Noise Descriptors ............................................................................................................................... 5

2.1.4 Human Response to Noise............................................................................................................. 7

2.1.5 Effects of Noise on People.............................................................................................................. 8

2.2 Fundamentals of Environmental Groundborne Vibration .................................................................. 8

2.2.1 Vibration Sources and Characteristics........................................................................................ 8

3.0 EXISTING ENVIRONMENTAL NOISE SETTING....................................................................................................... 10

3.1 Noise Sensitive Land Uses ............................................................................................................................ 10

3.2 Existing Ambient Noise Environment....................................................................................................... 10

3.2.1 Existing Ambient Noise Measurements.................................................................................. 10

4.0 REGULATORY FRAMEWORK......................................................................................................................................... 12

4.1 Federal.................................................................................................................................................................. 12

4.1.1 Occupational Safety and Health Act of 1970 ....................................................................... 12

4.1.2 U.S. Environmental Protection Agency Office of Noise Abatement and Control .. 12

4.1.3 National Institute of Occupational Safety and Health...................................................... 12

4.2 State ...................................................................................................................................................................... 12

4.2.1 State of California General Plan Guidelines .......................................................................... 12

4.2.2 State Office of Planning and Research Noise Element Guidelines .............................. 13

4.2.3 California Department of Transportation .............................................................................. 13

4.3 Local ...................................................................................................................................................................... 13

4.3.1 City of Lake Elsinor General Plan............................................................................................... 13

4.3.2 City of Lake Elsinor Municipal Code ........................................................................................ 14

5.0 IMPACT ASSESSMENT .................................................................................................................................................... 16

5.1 Thresholds of Significance............................................................................................................................ 16

5.2 Methodology ..................................................................................................................................................... 16

5.3 Impact Analysis ................................................................................................................................................. 17

5.3.1 Project Construction Noise.......................................................................................................... 17

5.3.2 Project Operational Noise............................................................................................................ 19

5.3.3 Project Groundborne Vibration ................................................................................................. 23 Noise Impact Assessment
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5.3.4 Excess Airport Noise....................................................................................................................... 24

6.0 REFERENCES........................................................................................................................................................................ 25

LIST OF TABLES
Table 2-1. Common Acoustical Descriptors............................................................................................................................... 6 Table 2-2. Human Reaction and Damage to Buildings for Continuous or Frequent Intermittent Vibration Levels ........................................................................................................................................................................................ 9 Table 3-1. Existing (Baseline) Noise Measurements ............................................................................................................ 11 Table 4-1. Exterior Noise Limits ................................................................................................................................................... 14 Table 4-2. Construction Noise Standards................................................................................................................................ 15 Table 5-1. Construction Average (dBA) Noise Levels at Nearest Receptor- Project Site...................................... 18 Table 5-2. Modeled Operational Noise Levels....................................................................................................................... 20 Table 5-3. Representative Vibration Source Levels for Construction Equipment.................................................... 23 Table 5-4. Onsite Construction Vibration Levels at 150 Feet........................................................................................... 24

LIST OF FIGURES
Figure 2-1. Common Noise Levels................................................................................................................................................. 3 Figure 5-1. Modeled Operational Noise Levels ................................................................................................................ 22

ATTACHMENTS
Attachment A - Baseline (Existing) Noise Measurements – Project Site and Vicinity Attachment B – Highway Noise Prediction Model (FHWA-RD-77-108) Outputs – Existing Traffic Noise Attachment C- Federal Highway Administration Roadway Construction Noise Model Outputs – Project Construction
Attachment D- SoundPLAN Outputs – Onsite Project Noise

LIST OF ACRONYMS AND ABBREVIATIONS
Term Description
City City of Lake Elsinore
CNEL Community Noise Equivalent Level
County Riverside County
dB Decibel
dBA Decibel is A-weighted
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LIST OF ACRONYMS AND ABBREVIATIONS
Term Description
FHWA Federal Highway Administration
FTA Federal Transit Administration
I-15 Interstate 15
ITE Institute of Transportation Engineers
Leq Measure of ambient noise
OPR Office of Planning and Research
OSHA Federal Occupational Safety and Health Administration PPV Peak particle velocity
Project Collier Commercial Properties Project
RMS Root mean square
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1.0 INTRODUCTION
This report documents the results of a Noise Impact Assessment completed for the Collier Commercial Properties Project (Project), which proposes the construction of two new buildings to accommodate a construction equipment rental facility in Lake Elsinore, California. This assessment was prepared as a comparison of predicted Project noise levels to noise standards promulgated by the City of Lake Elsinore General Plan Public Safety and Welfare Chapter and the City of Lake Elsinore Municipal Code. The purpose of this report is to estimate Project-generated noise levels and to determine the level of impact the Project would have on the environment.

1.1 Project Location and Description
The Project Site is located in the City of Lake Elsinore (City), located in western Riverside County. The irregular shaped site positioned between Collier Avenue and Minthorn Street spans three parcels and totals 2.8 acres. It is currently vacant, undeveloped land and is generally bound by undeveloped land to the north with Collier Avenue and Interstate 15 beyond, Steve’s Towing Services to the east with Collier Avenue beyond, West Minthorn Street to the south with a corporation yard beyond, and West Minthorn Street to the west with the City Department of Public Social Services beyond.

The Project is proposing the construction and operation of two new buildings totaling 11,975 square feet to accommodate a construction rental facility with associated features. “Building A” is proposed to span 3,000 square feet and “Building B” would span 8,975 square feet. The Project also proposes to construct 24 parking spaces and a block wall along the southern and western Project Site boundary.

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2.0 ENVIRONMENTAL NOISE AND GROUNDBORNE VIBRATION ANALYSIS

2.1 Fundamentals of Noise and Environmental Sound

2.1.1 Addition of Decibels
The decibel (dB) scale is logarithmic, not linear, and therefore sound levels cannot be added or subtracted through ordinary arithmetic. Two sound levels 10 dB apart differ in acoustic energy by a factor of 10.

When the standard logarithmic decibel is A-weighted (dBA), an increase of 10 dBA is generally perceived as a doubling in loudness. For example, a 70-dBA sound is half as loud as an 80-dBA sound and twice as loud as a 60-dBA sound. When two identical sources are each producing sound of the same loudness, the resulting sound level at a given distance would be three dB higher than one source under the same conditions (Federal Transit Administration [FTA] 2018). For example, a 65-dB source of sound, such as a truck, when joined by another 65 dB source results in a sound amplitude of 68 dB, not 130 dB (i.e., doubling the source strength increases the sound pressure by three dB). Under the decibel scale, three sources of equal loudness together would produce an increase of five dB.

Typical noise levels associated with common noise sources are depicted in Figure 2-1.

Source: California Department of Transportation (Caltrans) 2020a Figure 2-1. Common Noise Levels
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2.1.2 Sound Propagation and Attenuation
Noise can be generated by a number of sources, including mobile sources such as automobiles, trucks and airplanes, and stationary sources such as construction sites, machinery, and industrial operations.

Sound spreads (propagates) uniformly outward in a spherical pattern, and the sound level decreases (attenuates) at a rate of approximately six dB for each doubling of distance from a stationary or point source. Sound from a line source, such as a highway, propagates outward in a cylindrical pattern, often referred to as cylindrical spreading. Sound levels attenuate at a rate of approximately three dB for each doubling of distance from a line source, such as a roadway, depending on ground surface characteristics (Federal Highway Administration [FHWA] 2011). No excess attenuation is assumed for hard surfaces like a parking lot or a body of water. Soft surfaces, such as soft dirt or grass, can absorb sound, so an excess ground-attenuation value of 1.5 dB per doubling of distance is normally assumed. For line sources, an overall attenuation rate of three dB per doubling of distance is assumed (FHWA 2011).

Noise levels may also be reduced by intervening structures; generally, a single row of detached buildings between the receptor and the noise source reduces the noise level by about five dBA (FHWA 2006), while a solid wall or berm generally reduces noise levels by 10 to 20 dBA (FHWA 2011). However, noise barriers or enclosures specifically designed to reduce site-specific construction noise can provide a sound reduction 35 dBA or greater (Western Electro-Acoustic Laboratory, Inc. 2000). To achieve the most potent noise-reducing effect, a noise enclosure/barrier must physically fit in the available space, must completely break the “line of sight” between the noise source and the receptors, must be free of degrading holes or gaps, and must not be flanked by nearby reflective surfaces. Noise barriers must be sizable enough to cover the entire noise source and extend lengthwise and vertically as far as feasibly possible to be most effective. The limiting factor for a noise barrier is not the component of noise transmitted through the material, but rather the amount of noise flanking around and over the barrier. In general, barriers contribute to decreasing noise levels only when the structure breaks the "line of sight" between the source and the receiver.

The manner in which older homes in California were constructed generally provides a reduction of exterior-to-interior noise levels of about 20 to 25 dBA with closed windows (Caltrans 2002). The exteriorto-interior reduction of newer residential units is generally 30 dBA or more (Harris Miller, Miller & Hanson Inc. 2006). Generally, in exterior noise environments ranging from 60 dBA Community Noise Equivalent Level (CNEL) to 65 dBA CNEL, interior noise levels can typically be maintained below 45 dBA, a typically residential interior noise standard, with the incorporation of an adequate forced air mechanical ventilation system in each residential building, and standard thermal-pane residential windows/doors with a minimum rating of Sound Transmission Class (STC) 28. (STC is an integer rating of how well a building partition attenuates airborne sound. In the U.S., it is widely used to rate interior partitions, ceilings, floors, doors, windows, and exterior wall configurations.) In exterior noise environments of 65 dBA CNEL or greater, a combination of forced-air mechanical ventilation and sound-rated construction methods is often required to meet the interior noise level limit. Attaining the necessary noise reduction from exterior to interior spaces is readily achievable in noise environments less than 75 dBA CNEL with proper wall construction techniques following California Building Code methods, the selections of proper windows and doors, and the incorporation of forced-air mechanical ventilation systems.

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2.1.3 Noise Descriptors
The decibel scale alone does not adequately characterize how humans perceive noise. The dominant frequencies of a sound have a substantial effect on the human response to that sound. Several rating scales have been developed to analyze the adverse effect of community noise on people. Because environmental noise fluctuates over time, these scales consider that the effect of noise on people is largely dependent on the total acoustical energy content of the noise, as well as the time of day when the noise occurs. The Leq is a measure of ambient noise, while the Ldn and CNEL (Community Noise Equivalent Level) are measures of community noise. Each is applicable to this analysis and defined in Table 2-1.

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Collier Commercial Properties 6 April 2022 (Revised August 2024)2022-020 Table 2-1. Common Acoustical Descriptors
Descriptor Definition
Decibel, dB A unit describing the amplitude of sound, equal to 20 times the logarithm to the base 10 of the ratio of the pressure of the sound measured to the reference pressure. The reference pressure for air is 20.

Sound Pressure Level Sound pressure is the sound force per unit area, usually expressed in micropascals (or 20 micronewtons per square meter), where 1 pascal is the pressure resulting from a force of 1 newton exerted over an area of 1 square meter. The sound pressure level is expressed in decibels as 20 times the logarithm to the base 10 of the ratio between the pressures exerted by the sound to a reference sound pressure (e.g., 20 micropascals). Sound pressure level is the quantity that is directly measured by a sound level meter.

Frequency, Hz The number of complete pressure fluctuations per second above and below atmospheric pressure. Normal human hearing is between 20 Hz and 20,000 Hz.

Infrasonic sound are below 20 Hz and ultrasonic sounds are above 20,000 Hz.

A-Weighted Sound Level,
dBA
The sound pressure level in decibels as measured on a sound level meter using the A weighting filter network. The A-weighting filter de-emphasizes the very low and very high frequency components of the sound in a manner similar to the frequency response of the human ear and correlates well with subjective reactions to noise.

Equivalent Noise Level, Leq The average acoustic energy content of noise for a stated period of time. Thus, the Leq of a time-varying noise and that of a steady noise are the same if they deliver the same acoustic energy to the ear during exposure. For evaluating community impacts, this rating scale does not vary, regardless of whether the noise occurs during the day or the night.

Lmax, Lmin The maximum and minimum A-weighted noise level during the measurement period.

L01, L10, L50, L90 The A-weighted noise levels that are exceeded 1%, 10%, 50%, and 90% of the time during the measurement period.

Day/Night Noise Level, Ldn
or DNL
A 24-hour average Leq with a 10 dBA “weighting” added to noise during the hours of 10:00 p.m. to 7:00 a.m. to account for noise sensitivity in the nighttime. The logarithmic effect of these additions is that a 60 dBA 24-hour Leq would result in a measurement of 66.4 dBA Ldn.

Community Noise
Equivalent Level, CNEL
A 24-hour average Leq with a 5 dBA “weighting” during the hours of 7:00 p.m. to 10:00 p.m. and a 10 dBA “weighting” added to noise during the hours of 10:00 p.m. to 7:00 a.m. to account for noise sensitivity in the evening and nighttime, respectively. The logarithmic effect of these additions is that a 60 dBA 24-hour Leq would result in a measurement of 66.7 dBA CNEL.

Ambient Noise Level The composite of noise from all sources near and far. The normal or existing level of environmental noise at a given location.

Decibel, dB A unit describing the amplitude of sound, equal to 20 times the logarithm to the base 10 of the ratio of the pressure of the sound measured to the reference pressure. The reference pressure for air is 20.

The A weighted decibel sound level scale gives greater weight to the frequencies of sound to which the human ear is most sensitive. Because sound levels can vary markedly over a short period of time, a Noise Impact Assessment
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method for describing either the average character of the sound or the statistical behavior of the variations must be utilized. Most commonly, environmental sounds are described in terms of an average level that has the same acoustical energy as the summation of all the time-varying events.

The scientific instrument used to measure noise is the sound level meter. Sound level meters can accurately measure environmental noise levels to within about ±1 dBA. Various computer models are used to predict environmental noise levels from sources, such as roadways and airports. The accuracy of the predicted models depends on the distance between the receptor and the noise source. Close to the noise source, the models are accurate to within about ±1 to 2 dBA.

2.1.4 Human Response to Noise
The human response to environmental noise is subjective and varies considerably from individual to individual. Noise in the community has often been cited as a health problem, not in terms of actual physiological damage, such as hearing impairment, but in terms of inhibiting general well-being and contributing to undue stress and annoyance. The health effects of noise in the community arise from interference with human activities, including sleep, speech, recreation, and tasks that demand concentration or coordination. Hearing loss can occur at the highest noise intensity levels.

Noise environments and consequences of human activities are usually well represented by median noise levels during the day or night or over a 24-hour period. Environmental noise levels are generally considered low when the CNEL is below 60 dBA, moderate in the 60 to 70 dBA range, and high above 70 dBA. Examples of low daytime levels are isolated, natural settings with noise levels as low as 20 dBA and quiet, suburban, residential streets with noise levels around 40 dBA. Noise levels above 45 dBA at night can disrupt sleep. Examples of moderate-level noise environments are urban residential or semicommercial areas (typically 55 to 60 dBA) and commercial locations (typically 60 dBA). People may consider louder environments adverse, but most will accept the higher levels associated with noisier urban residential or residential-commercial areas (60 to 75 dBA) or dense urban or industrial areas (65 to 80 dBA). Regarding increases in A-weighted noise levels (dBA), the following relationships should be noted in understanding this analysis:
 Except in carefully controlled laboratory experiments, a change of 1 dBA cannot be perceived by humans.
 Outside of the laboratory, a 3-dBA change is considered a just-perceivable difference.  A change in level of at least 5 dBA is required before any noticeable change in community response would be expected. An increase of 5 dBA is typically considered substantial.  A 10-dBA change is subjectively heard as an approximate doubling in loudness and would almost certainly cause an adverse change in community response.

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2.1.5 Effects of Noise on People

2.1.5.1 Hearing Loss
While physical damage to the ear from an intense noise impulse is rare, a degradation of auditory acuity can occur even within a community noise environment. Hearing loss occurs mainly due to chronic exposure to excessive noise but may be due to a single event such as an explosion. Natural hearing loss associated with aging may also be accelerated from chronic exposure to loud noise.

The Occupational Safety and Health Administration (OSHA) has a noise exposure standard that is set at the noise threshold where hearing loss may occur from long-term exposures. The maximum allowable level is 90 dBA averaged over eight hours. If the noise is above 90 dBA, the allowable exposure time is correspondingly shorter.

2.1.5.2 Annoyance
Attitude surveys are used for measuring the annoyance felt in a community for noises intruding into homes or affecting outdoor activity areas. In these surveys, it was determined that causes for annoyance include interference with speech, radio and television, house vibrations, and interference with sleep and rest. The Ldn as a measure of noise has been found to provide a valid correlation of noise level and the percentage of people annoyed. People have been asked to judge the annoyance caused by aircraft noise and ground transportation noise. There continues to be disagreement about the relative annoyance of these different sources.

2.2 Fundamentals of Environmental Groundborne Vibration

2.2.1 Vibration Sources and Characteristics
Sources of earthborne vibrations include natural phenomena (e.g., earthquakes, volcanic eruptions, sea waves, landslides) or manmade causes (explosions, machinery, traffic, trains, construction equipment, etc.).

Vibration sources may be continuous (e.g., factory machinery) or transient (e.g., explosions).

Ground vibration consists of rapidly fluctuating motions or waves with an average motion of zero. Several different methods are typically used to quantify vibration amplitude. One is the peak particle velocity (PPV); another is the root mean square (RMS) velocity. The PPV is defined as the maximum instantaneous positive or negative peak of the vibration wave. The RMS velocity is defined as the average of the squared amplitude of the signal. The PPV and RMS vibration velocity amplitudes are used to evaluate human response to vibration.

PPV is generally accepted as the most appropriate descriptor for evaluating the potential for building damage. For human response, however, an average vibration amplitude is more appropriate because it takes time for the human body to respond to the excitation (the human body responds to an average vibration amplitude, not a peak amplitude). Because the average particle velocity over time is zero, the RMS amplitude is typically used to assess human response. The RMS value is the average of the amplitude squared over time, typically a 1- sec. period (FTA 2018).

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Collier Commercial Properties 9 April 2022 (Revised August 2024)2022-020 Table 2-2 displays the reactions of people and the effects on buildings produced by continuous vibration levels. The annoyance levels shown in the table should be interpreted with care since vibration may be found to be annoying at much lower levels than those listed, depending on the level of activity or the sensitivity of the individual. To sensitive individuals, vibrations approaching the threshold of perception can be annoying. Low-level vibrations frequently cause irritating secondary vibration, such as a slight rattling of windows, doors, or stacked dishes. The rattling sound can give rise to exaggerated vibration complaints, even though there is very little risk of actual structural damage. In high-noise environments, which are more prevalent where groundborne vibration approaches perceptible levels, this rattling phenomenon may also be produced by loud airborne environmental noise causing induced vibration in exterior doors and windows.

Ground vibration can be a concern in instances where buildings shake, and substantial rumblings occur.

However, it is unusual for vibration from typical urban sources such as buses and heavy trucks to be perceptible. For instance, heavy-duty trucks generally generate groundborne vibration velocity levels of

0.006 PPV at 50 feet under typical circumstances, which as identified in Table 2-2 is considered very unlikely to cause damage to buildings of any type. Common sources for groundborne vibration are planes, trains, and construction activities such as earth-moving which requires the use of heavy-duty earth moving equipment.

Table 2-2. Human Reaction and Damage to Buildings for Continuous or Frequent Intermittent Vibration Levels
Peak Particle
Velocity
(inches/second)
Approximate
Vibration
Velocity Level
(VdB)
Human Reaction Effect on Buildings

0.006–0.019 64–74 Range of threshold of
perception
Vibrations unlikely to cause damage of any
type

0.08 87 Vibrations readily perceptible Recommended upper level to which ruins and ancient monuments should be subjected

0.1 92
Level at which continuous
vibrations may begin to annoy
people, particularly those
involved in vibration sensitive
activities
Virtually no risk of architectural damage to
normal buildings

0.2 94 Vibrations may begin to
annoy people in buildings
Threshold at which there is a risk of
architectural damage to normal dwellings

0.4–0.6 98–104
Vibrations considered
unpleasant by people
subjected to continuous
vibrations and unacceptable
to some people walking on
bridges
Architectural damage and possibly minor
structural damage
Source: Caltrans 2020b
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3.0 EXISTING ENVIRONMENTAL NOISE SETTING

3.1 Noise Sensitive Land Uses
Noise-sensitive land uses are generally considered to include those uses where noise exposure could result in health-related risks to individuals, as well as places where quiet is an essential element of their intended purpose. Residential dwellings are of primary concern because of the potential for increased and prolonged exposure of individuals to both interior and exterior noise levels. Additional land uses such as hospitals, historic sites, cemeteries, and certain recreation areas are considered sensitive to increases in exterior noise levels. Schools, churches, hotels, libraries, and other places where low interior noise levels are essential are also considered noise-sensitive land uses.

The nearest existing noise-sensitive land uses to the Project Site is a residential property located approximately 700 feet distant from the northern Project Site boundary, fronting Collier Avenue.

3.2 Existing Ambient Noise Environment
The most common and significant source of noise in the City of Lake Elsinore is mobile noise generated by transportation-related sources. Other sources of noise are the various land uses (i.e., residential and commercial) that generate stationary-source noise. The Project Site is currently undeveloped and bound by Collier Avenue and undeveloped land to the north, Steve’s Towing Services to the east, West Minthorn Street and a corporation yard to the south, and West Minthorn Street the City Department of Public Social Services to the west. As shown in Table 3-1 below, the ambient recorded daytime noise levels range from

54.5 to 68.6 dBA Leq near the Project Site.

Interstate 15 (I-15) is located approximately 250 feet east of the Project Site and is a major noise source within the Project Area. Per the California Department of Transportation (Caltrans) traffic counts, the segment of I-15 traversing the Project Area (I-15 between North of Main and State Route 74) accommodates an average daily traffic count of 125,000 vehicles (Caltrans 2021). According to the FHWA Highway Traffic Noise Prediction Model (FHWA-RD-77-108), which calculates the average noise level at specific locations based on traffic volumes, average speeds, roadway geometry, and site environmental conditions; roadway traffic on I-15 generates an ambient noise level of 78.0 dBA Ldn at 100 feet from the centerline. Vehicular noise varies with the volume, speed, and type of traffic. Slower traffic produces less noise than fast-moving traffic. Trucks typically generate more noise than cars. Infrequent or intermittent noise also is associated with vehicles including sirens, vehicle alarms, slamming of doors, garbage and construction vehicle activity, and honking of horns. These noises add to urban noise and are regulated by a variety of agencies.

3.2.1 Existing Ambient Noise Measurements
The Project Site is currently undeveloped land surrounded mainly by industrial and commercial land uses.

In order to quantify existing ambient noise levels in the Project Area, ECORP Consulting, Inc. conducted three short-term noise measurements on the afternoon of February 3, 2022. These short-term noise measurements are representative of typical existing noise exposure within and immediately adjacent to the Project Site during the daytime (see Attachment A). The 15-minute measurements were taken Noise Impact Assessment
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between 12:05 p.m. and 1:06 p.m. The average noise levels of noise measured at each location are listed in Table 3-1.

Table 3-1. Existing (Baseline) Noise Measurements
Location
Number Location Leq dBA Lmin dBA Lmax dBA Time
1 North shoulder of Collier
Avenue adjacent to Project
Site.

67.6 dBA 59.0 dBA 79.3 dBA 12:50 p.m. – 1:06 p.m.
2 Along walking trail south
of storage facility off West
Minthorn Street.

54.5 dBA 46.1 dBA 64.3 dBA 12:28 p.m. – 12:43 p.m.
3 Along Chaney Avenue. 68.6 dBA 49.2 dBA 92.9 dBA 12:05 p.m. – 12:20 p.m.

Source: Measurements were taken by ECORP with a Larson Davis SoundExpert LxT precision sound level meter, which satisfies the American National Standards Institute for general environmental noise measurement instrumentation.

Prior to the measurements, the SoundExpert LxT sound level meter was calibrated according to manufacturer specifications with a Larson Davis CAL200 Class I Calibrator. See Attachment A for noise measurement outputs.

Notes: Leq is the average acoustic energy content of noise for a stated period of time. Thus, the Leq of a time-varying noise and that of a steady noise are the same if they deliver the same acoustic energy to the ear during exposure. Lmin is the minimum noise level during the measurement period and Lmax is the maximum noise level during the measurement period.

As shown in Table 3-1, the ambient recorded daytime noise levels range from 54.5 to 68.6 dBA Leq over the course of the three short-term noise measurements taken in the Project vicinity. The most common noise in the Project vicinity is produced by automotive vehicles (e.g., cars, trucks, buses, motorcycles) on area roadways.

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4.0 REGULATORY FRAMEWORK

4.1 Federal

4.1.1 Occupational Safety and Health Act of 1970
OSHA regulates onsite noise levels and protects workers from occupational noise exposure. To protect hearing, worker noise exposure is limited to 90 decibels with A-weighting (dBA) over an eight-hour work shift (29 Code of Regulations 1910.95). Employers are required to develop a hearing conservation program when employees are exposed to noise levels exceeding 85 dBA. These programs include provision of hearing protection devices and testing employees for hearing loss on a periodic basis.

4.1.2 U.S. Environmental Protection Agency Office of Noise Abatement and Control The U.S. Environmental Protection Agency (EPA) Office of Noise Abatement and Control was originally established to coordinate Federal noise control activities. In 1981, USEPA administrators determined that subjective issues such as noise would be better addressed at more local levels of government.

Consequently, in 1982 responsibilities for regulating noise control policies were transferred to State and local governments. However, documents and research completed by the EPA Office of Noise Abatement and Control continue to provide value in the analysis of noise effects.

4.1.3 National Institute of Occupational Safety and Health A division of the US Department of Health and Human Services, the National Institute for Occupational Safety and Health (NIOSH) has established a construction‐related noise level threshold as identified in the Criteria for a Recommended Standard: Occupational Noise Exposure prepared in 1998. NIOSH identifies a noise level threshold based on the duration of exposure to the source. The NIOSH construction-related noise level threshold starts at 85 dBA for more than 8 hours per day; for every 3-dBA increase, the exposure time is cut in half. This reduction results in noise level thresholds of 88 dBA for more than 4 hours per day, 92 dBA for more than 1 hour per day, 96 dBA for more than 30 minutes per day, and up to 100 dBA for more than 15 minutes per day. The intention of these thresholds is to protect people from hearing losses resulting from occupational noise exposure.

4.2 State

4.2.1 State of California General Plan Guidelines
The State of California regulates vehicular and freeway noise affecting classrooms, sets standards for sound transmission and occupational noise control, and identifies noise insulation standards and airport noise/land-use compatibility criteria. The State of California General Plan Guidelines (State of California 2003), published by the Governor’s Office of Planning and Research (OPR), also provides guidance for the acceptability of projects within specific CNEL/Ldn contours. The guidelines also present adjustment factors that may be used in order to arrive at noise acceptability standards that reflect the noise control goals of the community, the particular community’s sensitivity to noise, and the community’s assessment of the relative importance of noise pollution.

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4.2.2 State Office of Planning and Research Noise Element Guidelines The State OPR Noise Element Guidelines include recommended exterior and interior noise level standards for local jurisdictions to identify and prevent the creation of incompatible land uses due to noise. The Noise Element Guidelines contain a land use compatibility table that describes the compatibility of various land uses with a range of environmental noise levels in terms of the CNEL.

4.2.3 California Department of Transportation
In 2020, the California Department of Transportation (Caltrans) published the Transportation and Construction Vibration Manual (Caltrans 2020b). The manual provides general guidance on vibration issues associated with the construction and operation of projects concerning human perception and structural damage. Table 2 presents recommendations for levels of vibration that could result in damage to structures exposed to continuous vibration.

4.3 Local

4.3.1 City of Lake Elsinore General Plan
The Public Safety and Welfare Chapter of the General Plan provides policy direction for minimizing noise impacts on the community and for coordinating with surrounding jurisdictions and other entities regarding noise control. By identifying noise-sensitive land uses and establishing compatibility guidelines for land use and noises, noise considerations will influence the general distribution, location, and intensity of future land uses. The result is that effective land use planning and mitigation can alleviate the majority of noise problems.

The Public Safety and Welfare Chapter contains goals and policies that are intended to achieve the vision of the Public Safety and Welfare Chapter and guide the City’s efforts to protect noise sensitive land uses and support the health and serenity of its citizens. The General Plan goals and policies applicable to the Proposed Project are listed below.
• Goal 7- Maintain and environment for all City residents and visitors free of unhealthy, obtrusive, or otherwise excessive noise.
o Policy 7.1: Apply the noise standards set forth in the Lake Elsinore Noise and Land Use Compatibility Matrix and Interior and Exterior Noise Standards when considering all new development and redevelopment proposed within the City. [The Proposed Project would be considered “Compatible” at any level below 70 dB Ldn and considered “Normally Compatible” at any level 70 dB Ldn and above.] o Policy 7.2: Require that mixed-use structures and areas being designated to prevent transfer of noise and vibration from commercial areas to residential areas.

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4.3.2 City of Lake Elsinore Municipal Code
The City regulations with respect to noise are also included in Chapter 17.176, Noise Control, of the City’s Municipal Code. Section 17.176.060, Exterior Noise Limits, includes exterior noise levels for the receiving land uses and are presented in Table 4-1.

Table 4-1. Exterior Noise Limits
Receiving Land Use Category Time Period Noise Level (dBA) Single Family Residential 10:00 p.m. – 7:00 a.m.
7:00 a.m. – 10:00 p.m.
40 50
Multiple Dwelling Residential 10:00 p.m. – 7:00 a.m.
7:00 a.m. – 10:00 p.m.
45 50
Limited Commercial and Office 10:00 p.m. – 7:00 a.m.
7:00 a.m. – 10:00 p.m.
55 60
General Commercial 10:00 p.m. – 7:00 a.m.
7:00 a.m. – 10:00 p.m.
60 65
Light Industrial Anytime 70
Heavy Industrial Anytime 75
Source: City of Lake Elsinore Municipal Code 2021
Additionally, the City’s regulations pertaining to construction are included in Section 17.176.080 and presented in Table 4-2.

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Residential Properties Mobile Equipment
Time Period Single-Family Residential Multifamily Residential SemiResidential/Commercial 7:00 a.m. – 7:00 p.m. (except
Sundays and Legal Holidays) 75 dBA 80 dBA 85 dBA
7:00 p.m. – 7:00 a.m.
(including Sundays and Legal
Holidays)
60 dBA 65 dBA 70 dBA
Residential Properties Stationary Equipment
Time Period Single-Family Residential Multifamily Residential SemiResidential/Commercial 7:00 a.m. – 7:00 p.m. (except
Sundays and Legal Holidays) 60 dBA 65 dBA 70 dBA
7:00 p.m. – 7:00 a.m.
(including Sundays and Legal
Holidays)
50 dBA 55 dBA 60 dBA
Commercial Properties Mobile Equipment
Time Period Maximum Noise Level
7:00 a.m. – 7:00 p.m.
(including Sundays and Legal
Holidays)
85 dBA
Commercial Properties Stationary Equipment
7:00 a.m. – 7:00 p.m.
(including Sundays and Legal
Holidays)
75 dBA
Source: City of Lake Elsinore Municipal Code 2021
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5.0 IMPACT ASSESSMENT

5.1 Thresholds of Significance
The impact analysis provided below is based on the following California Environmental Quality Act Guidelines Appendix G thresholds of significance. The Project would result in a significant noise-related impact if it would produce:
1) Generation of a substantial temporary or permanent increase in ambient noise levels in the vicinity of the project in excess of standards established in the local general plan or noise ordinance, or applicable standards of other agencies.
2) Generation of excessive groundborne vibration or groundborne noise levels. 3) For a project located within the vicinity of a private airstrip or an airport land use plan or, where such a plan has not been adopted, within two miles of a public airport or public use airport, would the project expose people residing or working in the project area to excessive noise levels.

For purposes of this analysis, the City noise standards were used for evaluation of Project-related noise impacts.

5.2 Methodology
This analysis of the existing and future noise environments is based on noise-prediction modeling. In order to estimate the construction noise levels that may occur at the nearest noise-sensitive receptors in the Project vicinity, predicted construction noise levels were calculated utilizing the FHWA’s Roadway Construction Noise Model (2006). For the purposes of a conservative analysis, the estimations of the Roadway Construction Noise Model account for all pieces of equipment being used simultaneously.

Groundborne vibration levels associated with construction-related activities for the Project were evaluated utilizing typical groundborne vibration levels associated with construction equipment, obtained from the Caltrans guidelines set forth in Table 2-2 above. Potential groundborne vibration impacts related to structural damage and human annoyance were evaluated, taking into account the distance from construction activities to nearby structures.

An assessment of the Project’s impact on the existing noise environment was completed by conducting existing ambient baseline noise measurements around the Project Site with the use of a Larson Davis SoundExpert LxT precision sound level meter, which satisfies the American National Standards Institute standard for general environmental noise measurement instrumentation. Prior to the measurements, the SoundExpert LxT sound level meter was calibrated according to manufacturer specifications with a Larson Davis CAL200 Class I Calibrator. Additionally, onsite stationary source noise levels have been calculated with the SoundPLAN 3D noise model, which predicts noise propagation from a noise source based on the location, noise level, and frequency spectra of the noise sources as well as the geometry and reflective properties of the local terrain, buildings and barriers. The size, location and noise producing level of each source is discussed in detail below. The Project’s contribution to roadway noise levels is discussed qualitatively with operational daily trips counts provided by K2 Traffic Engineering, Inc. (2022).

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5.3 Impact Analysis

5.3.1 Project Construction Noise
Would the Project Result in Short-Term Construction-Generated Noise in Excess of Standards?
Onsite Construction Noise
Construction noise associated with the Proposed Project would be temporary and would vary depending on the nature of the activities being performed. Noise generated would primarily be associated with the operation of off-road equipment for onsite construction activities as well as construction vehicle traffic on area roadways. Construction noise typically occurs intermittently and varies depending on the nature or phase of construction (e.g., land clearing, grading, excavation, building construction, paving). Noise generated by construction equipment, including earth movers, material handlers, and portable generators, can reach high levels. Typical operating cycles for these types of construction equipment may involve one or two minutes of full power operation followed by three to four minutes at lower power settings. Other primary sources of acoustical disturbance would be random incidents, which would last less than one minute (such as dropping large pieces of equipment or the hydraulic movement of machinery lifts).

During construction, exterior noise levels could negatively affect sensitive land uses in the vicinity of the construction site.

As previously described in Table 4-2, the City’s Municipal Code has mobile and stationary construction noise standards for residential and commercial land uses. It is noted that in the case of the Proposed Project, all phases of construction would employ stationary equipment only, as the city defines mobile equipment standards as nonscheduled, intermittent, short-term operations (less than 10 days) while defining stationary equipment as repetitively scheduled and relatively long-term operation (period of 10 days or more). The Project would require use of stationary equipment through all phases. The nearest residential land use is located to the northwest of the Project Site boundary, fronting Collier Avenue. The nearest commercial land use is Steve’s Towing located directly east of the Project Site. It is acknowledged that the majority of construction equipment is not situated at any one location during construction activities, but rather spread throughout the Project Site and at various distances from sensitive receptors.

Therefore, this analysis employs the Federal Transit Administration (FTA) guidance for calculating construction noise, which recommends measuring construction noise produced by all construction equipment operating simultaneously from the center of the Project Site (FTA 2018). The anticipated shortterm construction noise levels generated for the necessary equipment during each phase for the nearest residential and commercial land uses are summarized in Table 5-1.

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Collier Commercial Properties 18 April 2022 (Revised August 2024)2022-020 Table 5-1. Construction Average (dBA) Noise Levels at Nearest Receptor- Project Site Equipment
Estimated Exterior
Construction Noise
Level at Nearest
Receptor
Construction Noise
Standards (dBA Leq) Exceed Standards?
Daytime Nighttime Daytime Nighttime
Residential Land Use (approximately 820 feet from Project Site Center) Site Preparation 59.5 dBA 60 dBA 50 dBA No Yes
Grading 59.3 dBA 60 dBA 50 dBA No Yes
Building Construction, Paving
and Painting

59.6 dBA 60 dBA 50 dBA No Yes
Commercial Land Use (approximately 175 feet from Project Site center) Site Preparation 72.9 dBA 75 dBA - No N/A
Grading 72.8 dBA 75 dBA - No N/A
Building Construction, Paving
and Painting

73.1 dBA 75 dBA - No N/A
Source: Construction noise levels were calculated by ECORP Consulting using the FHWA Roadway Noise Construction Model (FHWA 2006). Refer to Attachment C for Model Data Outputs.

Notes: Construction equipment used during construction derived from the California Emissions Estimator Model (CalEEMod). CalEEMod is designed to calculate air pollutant emissions from construction activity and contains default construction equipment and usage parameters for typical construction projects based on several construction surveys conducted in order to identify such parameters. Consistent with FTA recommendations for calculating construction noise, construction noise was measured from the center of the Project Site (FTA 2018), which is 820 feet from the nearest residential land use and 175 feet from the nearest commercial land use. Construction is considered to be a stationary equipment source, and therefore only stationary equipment thresholds apply.

Construction, paving and painting are assumed to occur simultaneously.

Leq = The equivalent energy noise level, is the average acoustic energy content of noise for a stated period of time.

Thus, the Leq of a time-varying noise and that of a steady noise are the same if they deliver the same acoustic energy to the ear during exposure. For evaluating community impacts, this rating scale does not vary, regardless of whether the noise occurs during the day or the night.

As shown in Table 5-1, construction activities would not exceed the City’s daytime residential standard at the nearest residences, or the City standard for commercial land uses. However, Project construction would exceed the City’s nighttime standard for residential uses. As such the following mitigation is recommended.

Mitigation Measure
NOI-1: Construction Noise-Reducing Measures
The Project improvement and building plans will include the following requirements for construction activities:

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Collier Commercial Properties 19 April 2022 (Revised August 2024)2022-020  Project construction shall be limited to the daytime hours of 7:00 a.m. to 7:00 p.m.

Monday through Saturday. All construction on Sundays and legal holidays shall be prohibited.

Implementation of mitigation measure NOI-1 would ensure that City noise standards are not surpassed during Project construction.

Offsite Construction Worker Traffic Noise
Project construction would result in additional traffic on adjacent roadways over the period that construction occurs. According to the California Emissions Estimator Model, which is used to predict the number of worker commute trips, the maximum number of construction workers traveling to and from the Project Site during a single construction phase would not be expected to exceed 23 trips in total (21 construction worker trips and 2 vendor trips). According to the California Department of Transportation (Caltrans) Technical Noise Supplement to the Traffic Noise Analysis Protocol (2013), doubling of traffic on a roadway is required to result in an increase of 3 dB (outside of the laboratory, a 3-dBA change is considered a just-perceivable difference). The Project Site is mainly accessible from Collier Avenue.

According to the City of Lake Elsinore General Plan Draft Environmental Impact Report (2011b), Collier Avenue is a Major Roadway within the City and has a traffic volume capacity of 34,100 average daily trips.

Thus, the Project construction would not result in a doubling of traffic, and therefore its contribution to existing traffic noise would not be perceptible. Additionally, it is noted that construction is temporary, and these trips would cease upon completion of the Project.

5.3.2 Project Operational Noise
Would the Project Result in a Substantial Permanent Increase in Ambient Noise Levels in Excess of City Standards During Operations?
As previously described, noise-sensitive land uses are locations where people reside or where the presence of unwanted sound could adversely affect the use of the land. Residences, schools, hospitals, guest lodging, libraries, and some passive recreation areas would each be considered noise-sensitive and may warrant unique measures for protection from intruding noise.

Project Operations
As previously described, noise-sensitive land uses are locations where people reside or where the presence of unwanted sound could adversely affect the use of the land. Residences, schools, hospitals, guest lodging, libraries, and some passive recreation areas would each be considered noise-sensitive and may warrant unique measures for protection from intruding noise. The nearest existing noise-sensitive land uses to the Project Site is a residential property located approximately 700 feet distant from the northern Project Site boundary, fronting Collier Avenue.

Operational noise sources associated with the Proposed Project include mobile and stationary (i.e., people talking, car door opening and closing, the loading of equipment, stereo music and internal circulation) sources.

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Collier Commercial Properties 20 April 2022 (Revised August 2024)2022-020 Operational Offsite Traffic Noise
Project operation would also result in additional traffic on adjacent roadways, thereby increasing vehicular noise in the Project vicinity. The Project Site is mainly accessible from Collier Avenue. According to the General Plan Environmental Impact Report (2011b), Collier Avenue is a Major Roadway within the City and has a traffic volume capacity of 34,100 average daily trips. According to the Caltrans Technical Noise Supplement to the Traffic Noise Analysis Protocol (2013), doubling of traffic on a roadway would result in an increase of 3 dB (a barely perceptible increase). Per the Trip Generation and VMT Screening Memo prepared by K2 Traffic Engineering, Inc. (2022), the Project is anticipated to generate 119 average daily trips. The Project would not result in a doubling of traffic, thus its contribution to existing traffic noise would not be perceptible.

Operational Onsite Stationary Noise
The Project is proposing the development of the Site for an equipment rental facility. The main stationary operational noise associated with the Project would be activities occurring on the Project Site. Such activity would include internal circulation/ parking lot activity (i.e., people talking, car door opening and closing, the loading of equipment, stereo music and internal circulation). On-site Project operations have been calculated using the SoundPLAN 3D noise model. The results of this model can be found in Attachment D. Table 5-2 shows the predicted Project noise levels at four locations in the Project vicinity, as predicted by SoundPLAN. These four locations represent the three nearest commercial/ industrial land uses and nearest residence to the Project Site. Additionally, a noise contour graphic (see Figure 5-1) has been prepared to provide a visual depiction of the predicted noise levels in the Project vicinity from Project operations.

Table 5-2. Modeled Operational Noise Levels
Location Land Use Modeled Operational Noise
Attributed to Project (Leq dBA)
City Noise Standard
Day/Night (Leq dBA)
Residential property
north of the Project
Site.

Residential 39.4 dBA 50 dBA / 40 dBA
Steve’s Towing (south
of Project Site) Commercial 54.4 dBA 65 dBA / 60 dBA
RightWay Temporary
Power (north of
Project Site)
Commercial 41.0 dBA 65 dBA / 60 dBA
DC Pantry (across West
Minthorn Street) Commercial 51.3 dBA 65 dBA / 60 dBA
Source: Stationary source noise levels were modeled by ECORP Consulting using SoundPLAN 3D noise model. Refer to Attachment D for noise modeling assumptions and results.

As shown in Table 5-2, the modeled operational noise levels as a result of operational activities on the Project Site would not exceed the daytime or nighttime noise standards for the commercial/industrial or residential land uses as presented in Table 4-2. Additionally, as shown Table 3-1 above, which depicts Noise Impact Assessment
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existing average noise levels of noise measured in the Project vicinity, the Project Area currently experiences noise levels above those modeled as a result of Project operations. Furthermore, it is noted that the modeled noise levels identified are a conservative scenario. Not all events taking place on the Project Site would generate as much noise as predicted. 2022-020
Map Date: 4/25/2022
Photo (or Base) Source: SoundPLAN
Figure 5-1. Modeled Operational Noise Levels
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5.3.3 Project Groundborne Vibration
Would the Project Expose Structures to Substantial Groundborne Vibration During Construction?
Excessive groundborne vibration impacts result from continuously occurring vibration levels. Increases in groundborne vibration levels attributable to the Project would be primarily associated with short-term construction-related activities. Construction on the Project Site would have the potential to result in varying degrees of temporary groundborne vibration, depending on the specific construction equipment used and the operations involved. Ground vibration generated by construction equipment spreads through the ground and diminishes in magnitude with increases in distance.

Construction-related ground vibration is normally associated with impact equipment such as pile drivers, jackhammers, and the operation of some heavy-duty construction equipment, such as dozers and trucks.

It is noted that pile drivers would not be necessary during Project construction. Vibration decreases rapidly with distance, and it is acknowledged that construction activities would occur throughout the Project Site and would not be concentrated at the point closest to sensitive receptors. Groundborne vibration levels associated with standard construction equipment at 25 feet distant are summarized in Table 5-3.

Table 5-3. Representative Vibration Source Levels for Construction Equipment Equipment Type Peak Particle Velocity at 25 Feet
(inches per second)
Large Bulldozer 0.089
Caisson Drilling 0.089
Loaded Trucks 0.076
Hoe Ram 0.089
Jackhammer 0.035
Small Bulldozer/Tractor 0.003
Vibratory Roller 0.210
Source: FTA 2018; Caltrans 2020b
The City does not have a numeric threshold associated with construction vibrations. However, a discussion of construction vibration is included for full disclosure purposes. For comparison purposes, the Caltrans (2020b) recommended standard of 0.2 inches per second PPV with respect to the prevention of structural damage for older residential buildings is used as a threshold. This is also the level at which vibrations may begin to annoy people in buildings. Consistent with FTA recommendations for calculating vibration generated from construction equipment, construction vibration was measured from the center of the Project Site (FTA 2018). The nearest structure of concern to the construction site is Steve’s Towing located approximately 150 feet south of the Project Site center.

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Based on the representative vibration levels presented for various construction equipment types in Table 5-3 and the construction vibration assessment methodology published by the FTA (2018), it is possible to estimate the potential Project construction vibration levels. The FTA provides the following equation:
[PPVequip = PPVref x (25/D)1.5].

Table 5-4 presents the expected Project related vibration levels at a distance of 150 feet.

Table 5-4. Onsite Construction Vibration Levels at 150 Feet Receiver PPV Levels (in/sec)1
Peak
Vibration Threshold Exceed
Threshold
Large
Bulldozer,
Caisson
Drilling, &
Hoe Ram
Loaded
Trucks Jackhammer Small
Bulldozer
Vibratory
Roller

0.0060 0.0051 0.0023 0.0002 0.0142 0.0142 0.2 No
Notes: 1Based on the Vibration Source Levels of Construction Equipment included on Table 5-3 (FTA 2018). Distance to the nearest structure of concern is approximately 150 feet measured from Project Site center.

As shown in Table 5-4, vibration as a result of onsite construction activities on the Project Site would not exceed 0.2 PPV at the nearest structure. Thus, onsite Project construction would not exceed the recommended threshold.

Would the Project Expose Structures to Substantial Groundborne Vibration During Operations?
Project operations would not include the use of any stationary equipment that would result in excessive vibration levels. Therefore, the Project would not result in groundborne vibration impacts during operations.

5.3.4 Excess Airport Noise
Would the Project Expose People Residing or Working in the Project area to Excessive Airport Noise?
The Project Site is located approximately 8.35 miles northeast of the Perris Valley Airport-L65. According to the City of Perris General Plan Noise Element (2016), the airport is a center for skydiving. Aircraft traffic at the airport typically consist of Twin Otter Turbo Prop, 20-passenger planes equipped with jet engines and propellers. Due to the limited activities occurring at the airport, the lack of commercial flights and distance of more than three miles from the airport to the Site, it can be assumed that those working on the Project Site would not be negatively impacted by airport operations.

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6.0 REFERENCES
Caltrans (California Department of Transportation). 2021. Traffic Census Program 2020 Traffic Counts. _____. 2020a. IS/EA Annotated Outline. http://www.dot.ca.gov/ser/vol1/sec4/ch31ea/chap31ea.htm. _____. 2020b. Transportation and Construction Vibration Guidance Manual. _____. 2013. Technical Noise Supplement to the Traffic Noise Analysis Protocol. _____. 2002. California Airport Land Use Planning Handbook.

FHWA (Federal Highway Administration). 2011. Effective Noise Control During Nighttime Construction.

Available online at: http://ops.fhwa.dot.gov/wz/workshops/accessible/schexnayder_paper.htm. _____. 2006. Roadway Construction Noise Model.

FTA (Federal Transit Administration. 2018. Transit Noise and Vibration Impact Assessment.

Harris Miller, Miller & Hanson Inc.. 2006. Transit Noise and Vibration Impact Assessment, Final Report.

K2 Traffic Engineering, Inc. 2022. Trip Generation and VMT Screening Memo: Construction Equipment Rental Facility 29400 Enterprise Way, Lake Elsinore.

Lake Elsinore, City of. 2021. City of Lake Elsinore Municipal Code. _____. 2011a. City of Lake Elsinore General Plan.
_____. 2011b. City of Lake Elsinore General Plan Draft Environmental Impact Report.

OPR (Office of Planning and Research). 2003. State of California General Plan Guidelines.

Perris, City of. 2016. City of Perris General Plan Noise Element.

Western Electro-Acoustic Laboratory, Inc. 2000. Sound Transmission Sound Test Laboratory Report No. TL 96-186.

LIST OF ATTACHMENTS
Attachment A - Baseline (Existing) Noise Measurements – Project Vicinity Attachment B – Highway Noise Prediction Model (FHWA-RD-77-108) Outputs – Existing Traffic Noise
Attachment C – Federal Highway Administration Roadway Construction Noise Model Outputs – Project Construction
Attachment D- SoundPLAN Outputs – Onsite Project Noise

ATTACHMENT A
Baseline (Existing) Noise Measurements –Project Vicinity Site Number: 1
Recorded By: Lindsay Liegler
Job Number: 2022-020
Date: 2/3/2022
Time: 12:50 p.m. – 1:06 p.m.

Location: North shoulder of Collier Avenue adjacent to Project Site.

Source of Peak Noise: Vehicles on Collier Avenue and I-15.

Noise Data
Leq (dB) Lmin (dB) Lmax (dB) Peak (dB)

67.6 59.0 79.3 103.2
Equipment
Category Type Vendor Model Serial No. Cert. Date Note
Sound
Sound Level Meter Larson Davis LxT SE 0006133 02/24/2021 Microphone Larson Davis 377B02 315201 02/24/2021
Preamp Larson Davis PRMLxT1L 069947 02/24/2021
Calibrator Larson Davis CAL200 17325 02/25/2021
Weather Data
Est.

Duration: 15 min. Sky: Clear
Note: dBA Offset = 0.14 Sensor Height (ft): 3.5
Wind Ave Speed (mph) Temperature (degrees Fahrenheit) Barometer Pressure (hPa) 8 61 30.20
Photo of Measurement Location
Measurement Report
Report Summary
Meter's File Name LxT_Data.097.s Computer's File Name LxT_0006133-20220203 125049-LxT_Data.097.ldbin Meter LxT1 0006133
Firmware 2.404
User Location
Job Description
Note
Start Time 2022-02-03 12:50:49 Duration 0:15:31.0
End Time 2022-02-03 13:06:20 Run Time 0:15:31.0 Pause Time 0:00:00.0 Results
Overall Metrics
LA 67.6 dB eq
LAE 97.3 dB SEA --- dB
EA 592.1 µPa²h
EA8 18.3 mPa²h
EA40 91.6 mPa²h
LZS 103.2 dB peak 2022-02-03 13:00:07
LASmax 79.3 dB 2022-02-03 13:06:03
LASmin 59.0 dB 2022-02-03 12:58:25
LA 67.6 dB eq
LCeq 76.8 dB LCeq - LA eq 9.3 dB
LAIeq 68.6 dB LAIeq - LA eq 1.0 dB
Exceedances Count Duration
LAS > 85.0 dB 0 0:00:00.0
LAS > 115.0 dB 0 0:00:00.0
LZSpeak > 135.0 dB 0 0:00:00.0
LZSpeak > 137.0 dB 0 0:00:00.0
LZSpeak > 140.0 dB 0 0:00:00.0
Community Noise LDN LDay LNight

67.6 dB 67.6 dB 0.0 dB
LDEN LDay LEve LNight

67.6 dB 67.6 dB --- dB --- dB
Any Data A C Z
Level Time Stamp Level Time Stamp Level Time Stamp
Leq 67.6 dB --- dB --- dB
Ls(max) 79.3 dB 2022-02-03 13:06:03 --- dB --- dB
LS(min) 59.0 dB 2022-02-03 12:58:25 --- dB --- dB
L --- dB --- dB 103.2 dB 2022-02-03 13:00:07 Peak(max)
Overloads Count Duration
0 0:00:00.0
Statistics
LAS 5.0 70.7 dB
LAS 10.0 69.7 dB
LAS 33.3 67.9 dB
LAS 50.0 66.9 dB
LAS 66.6 65.9 dB
LAS 90.0 63.8 dB
Site Number: 2
Recorded By: Lindsay Liegler
Job Number: 2022-020
Date: 2/3/2022
Time: 12:28 p.m. – 12:43 p.m.

Location: Along walking trail south of storage facility off West Minthorn Street.

Source of Peak Noise: Vehicles on 1-15.

Noise Data
Leq (dB) Lmin (dB) Lmax (dB) Peak (dB)

54.5 46.1 64.3 97.4
Equipment
Category Type Vendor Model Serial No. Cert. Date Note
Sound
Sound Level Meter Larson Davis LxT SE 0006133 02/24/2021 Microphone Larson Davis 377B02 315201 02/24/2021
Preamp Larson Davis PRMLxT1L 069947 02/24/2021
Calibrator Larson Davis CAL200 17325 02/25/2021
Weather Data
Est.

Duration: 15 min. Sky: Clear
Note: dBA Offset = 0.14 Sensor Height (ft): 3.5
Wind Ave Speed (mph) Temperature (degrees Fahrenheit) Barometer Pressure (hPa) 8 61 30.20
Photo of Measurement Location
Measurement Report
Report Summary
Meter's File Name LxT_Data.096.s Computer's File Name LxT_0006133-20220203 122806-LxT_Data.096.ldbin Meter LxT1 0006133
Firmware 2.404
User Location
Job Description
Note
Start Time 2022-02-03 12:28:06 Duration 0:15:00.0
End Time 2022-02-03 12:43:06 Run Time 0:15:00.0 Pause Time 0:00:00.0 Results
Overall Metrics
LA 54.5 dB eq
LAE 84.0 dB SEA --- dB
EA 28.0 µPa²h
EA8 894.6 µPa²h
EA40 4.5 mPa²h
LZS 97.4 dB peak 2022-02-03 12:28:52
LASmax 64.3 dB 2022-02-03 12:37:02
LASmin 46.1 dB 2022-02-03 12:31:01
LA 54.5 dB eq
LCeq 65.4 dB LCeq - LA eq 10.9 dB
LAIeq 57.4 dB LAIeq - LA eq 3.0 dB
Exceedances Count Duration
LAS > 85.0 dB 0 0:00:00.0
LAS > 115.0 dB 0 0:00:00.0
LZSpeak > 135.0 dB 0 0:00:00.0
LZSpeak > 137.0 dB 0 0:00:00.0
LZSpeak > 140.0 dB 0 0:00:00.0
Community Noise LDN LDay LNight

54.5 dB 54.5 dB 0.0 dB
LDEN LDay LEve LNight

54.5 dB 54.5 dB --- dB --- dB
Any Data A C Z
Level Time Stamp Level Time Stamp Level Time Stamp
Leq 54.5 dB --- dB --- dB
Ls(max) 64.3 dB 2022-02-03 12:37:02 --- dB --- dB
LS(min) 46.1 dB 2022-02-03 12:31:01 --- dB --- dB
L --- dB --- dB 97.4 dB 2022-02-03 12:28:52 Peak(max)
Overloads Count Duration
0 0:00:00.0
Statistics
LAS 5.0 57.9 dB
LAS 10.0 57.4 dB
LAS 33.3 55.3 dB
LAS 50.0 53.4 dB
LAS 66.6 51.3 dB
LAS 90.0 48.8 dB
Site Number: 3
Recorded By: Lindsay Liegler
Job Number: 2022-020
Date: 2/3/2022
Time: 12:05 p.m. – 12:20 p.m.

Location: Along Chaney Avenue.

Source of Peak Noise: Vehicles on Chaney Avenue.

Noise Data
Leq (dB) Lmin (dB) Lmax (dB) Peak (dB)

68.6 49.2 92.9 104.7
Equipment
Category Type Vendor Model Serial No. Cert. Date Note
Sound
Sound Level Meter Larson Davis LxT SE 0006133 02/24/2021 Microphone Larson Davis 377B02 315201 02/24/2021
Preamp Larson Davis PRMLxT1L 069947 02/24/2021
Calibrator Larson Davis CAL200 17325 02/25/2021
Weather Data
Est.

Duration: 15 min. Sky: Clear
Note: dBA Offset = 0.14 Sensor Height (ft): 3.5
Wind Ave Speed (mph) Temperature (degrees Fahrenheit) Barometer Pressure (hPa) 8 61 30.20
Photo of Measurement Location
Measurement Report
Report Summary
Meter's File Name LxT_Data.095.s Computer's File Name LxT_0006133-20220203 120516-LxT_Data.095.ldbin Meter LxT1 0006133
Firmware 2.404
User Location
Job Description
Note
Start Time 2022-02-03 12:05:16 Duration 0:15:00.2
End Time 2022-02-03 12:20:16 Run Time 0:15:00.2 Pause Time 0:00:00.0 Results
Overall Metrics
LA 68.6 dB eq
LAE 98.2 dB SEA --- dB
EA 731.9 µPa²h
EA8 23.4 mPa²h
EA40 117.1 mPa²h
LZS 104.7 dB peak 2022-02-03 12:18:36
LASmax 92.9 dB 2022-02-03 12:18:36
LASmin 49.2 dB 2022-02-03 12:10:54
LA 68.6 dB eq
LCeq 73.6 dB LCeq - LA eq 5.0 dB
LAIeq 72.1 dB LAIeq - LA eq 3.4 dB
Exceedances Count Duration
LAS > 85.0 dB 1 0:00:04.9
LAS > 115.0 dB 0 0:00:00.0
LZSpeak > 135.0 dB 0 0:00:00.0
LZSpeak > 137.0 dB 0 0:00:00.0
LZSpeak > 140.0 dB 0 0:00:00.0
Community Noise LDN LDay LNight

68.6 dB 68.6 dB 0.0 dB
LDEN LDay LEve LNight

68.6 dB 68.6 dB --- dB --- dB
Any Data A C Z
Level Time Stamp Level Time Stamp Level Time Stamp
Leq 68.6 dB --- dB --- dB
Ls(max) 92.9 dB 2022-02-03 12:18:36 --- dB --- dB
LS(min) 49.2 dB 2022-02-03 12:10:54 --- dB --- dB
L --- dB --- dB 104.7 dB 2022-02-03 12:18:36 Peak(max)
Overloads Count Duration
0 0:00:00.0
Statistics
LAS 5.0 68.2 dB
LAS 10.0 66.3 dB
LAS 33.3 61.7 dB
LAS 50.0 59.2 dB
LAS 66.6 56.4 dB
LAS 90.0 52.9 dB

ATTACHMENT B
Highway Noise Prediction Model (FHWA-RD-77-108) Outputs – Existing Traffic Noise

TRAFFIC NOISE LEVELS
Project Number: 2022-020
Project Name: Collier Commercial Properties
Background Information
Model Description: FHWA Highway Noise Prediction Model (FHWA-RD-77-108) with California Vehicle Noise (CALVENO) Emission Levels.

Analysis Scenario(s): Existing
Source of Traffic Volumes: Caltrans 2017
Community Noise Descriptor: Ldn: x CNEL:

Assumed 24-Hour Traffic Distribution: Day Evening Night Total ADT Volumes 77.70% 12.70% 9.60%
Medium-Duty Trucks 87.43% 5.05% 7.52%
Heavy-Duty Trucks 89.10% 2.84% 8.06%
Traffic Noise Levels
Peak Design Dist. from Barrier Vehicle Mix Peak Hour 24-Hour Analysis Condition Median Hour ADT Speed Center to Alpha Attn. Medium Heavy dB(A) dB(A) Roadway Segment Land Use Lanes Width Volume Volume (mph) Receptor1 Factor dB(A) Trucks Trucks Leq Ldn
Analysis Condition
Roadway, Segment Residential 6 0 0 125,000 65 100 0.5 0 1.8% 0.7% 0.0 78.0 1 Distance is from the centerline of the roadway segment to the receptor location.

Traffic Noise Levels-Project s.xls EIP Associat es 4/ 25/ 2022

ATTACHMENT C
Federal Highway Administration Roadway Construction Noise Model Outputs – Project Construction Report date: 8/22/2024
Case Description: Collier Commercial Properties - Site Preparation at Nearest Residence Description Affected Land Use
Site Preparation Residential
Equipment
Spec Actual Receptor Estimated
Impact Lmax Lmax Distance Shielding
Description Device Usage(%) (dBA) (dBA) (feet) (dBA)
Grader No 40 85 820 0
Scraper No 40 83.6 820 0
Backhoe No 40 77.6 820 0
Results
Calculated (dBA)
Equipment *Lmax Leq
Grader 60.7 56.7
Scraper 59.3 55.3
Backhoe 53.3 49.3
Total 60.7 59.5
*Calculated Lmax is the Loudest value.

Roadway Construction Noise Model (RCNM),Version 1.1
Report date: 8/22/2024
Case Description: Collier Commercial Properties - Grading at Nearest Residence Description Affected Land Use
Grading Residential
Equipment
Spec Actual Receptor Estimated
Impact Lmax Lmax Distance Shielding
Description Device Usage(%) (dBA) (dBA) (feet) (dBA)
Grader No 40 85 820 0
Dozer No 40 81.7 820 0
Backhoe No 40 77.6 820 0
Backhoe No 40 77.6 820 0
Results
Calculated (dBA)
Equipment *Lmax Leq
Grader 60.7 56.7
Dozer 57.4 53.4
Backhoe 53.3 49.3
Backhoe 53.3 49.3
Total 60.7 59.3
*Calculated Lmax is the Loudest value.

Roadway Construction Noise Model (RCNM),Version 1.1
Report date: 8/22/2024
Case Description: Collier Commercial Properties - Construction, Paving, & Painting at Nearest Reside Description Affected Land Use
Construction Residential
Equipment
Spec Actual Receptor Estimated
Impact Lmax Lmax Distance Shielding
Description Device Usage(%) (dBA) (dBA) (feet) (dBA)
Crane No 16 80.6 820 0
Man Lift No 20 74.7 820 8
Man Lift No 20 74.7 820 0
Backhoe No 40 77.6 820 0
Vibratory Concrete Mixer No 20 80 820 0
Paver No 50 77.2 820 0
Roller No 20 80 820 0
Roller No 20 80 820 0
Paver No 50 77.2 820 0
Backhoe No 40 77.6 820 0
Generator (<25KVA, VMS signs) No 50 72.8 820 0
Welder / Torch No 40 74 820 0
Welder / Torch No 40 74 820 0
Welder / Torch No 40 74 820 0
Compressor (air) No 40 77.7 820 0
Results
Calculated (dBA)
Equipment *Lmax Leq
Crane 56.3 48.3
Man Lift 42.4 35.4
Man Lift 50.4 43.4
Backhoe 53.3 49.3
Vibratory Concrete Mixer 55.7 48.7
Paver 52.9 49.9
Roller 55.7 48.7
Roller 55.7 48.7
Paver 52.9 49.9
Backhoe 53.3 49.3
Roadway Construction Noise Model (RCNM),Version 1.1
Generator (<25KVA, VMS signs) 48.5 45.5
Welder / Torch 49.7 45.7
Welder / Torch 49.7 45.7
Welder / Torch 49.7 45.7
Compressor (air) 53.4 49.4
Total 56.3 59.6
*Calculated Lmax is the Loudest value.

Report date: 8/22/2024
Case Description: Collier Commercial Properties - Site Preparation at Nearest Commercial Land Use Description Affected Land Use
Site Preparation Commercial
Equipment
Spec Actual Receptor Estimated
Impact Lmax Lmax Distance Shielding
Description Device Usage(%) (dBA) (dBA) (feet) (dBA)
Grader No 40 85 175 0
Scraper No 40 83.6 175 0
Backhoe No 40 77.6 175 0
Results
Calculated (dBA)
Equipment *Lmax Leq
Grader 74.1 70.1
Scraper 72.7 68.7
Backhoe 66.7 62.7
Total 74.1 72.9
*Calculated Lmax is the Loudest value.

Roadway Construction Noise Model (RCNM),Version 1.1
Report date: 8/22/2024
Case Description: Collier Commercial Properties - Grading at Nearest Commercial Land Use Description Affected Land Use
Grading Commercial
Equipment
Spec Actual Receptor Estimated
Impact Lmax Lmax Distance Shielding
Description Device Usage(%) (dBA) (dBA) (feet) (dBA)
Grader No 40 85 175 0
Dozer No 40 81.7 175 0
Backhoe No 40 77.6 175 0
Backhoe No 40 77.6 175 0
Results
Calculated (dBA)
Equipment *Lmax Leq
Grader 74.1 70.1
Dozer 70.8 66.8
Backhoe 66.7 62.7
Backhoe 66.7 62.7
Total 74.1 72.8
*Calculated Lmax is the Loudest value.

Roadway Construction Noise Model (RCNM),Version 1.1
Report date: 8/22/2024
Case Description: Collier Commercial Properties - Construction, Paving, & Painting At Nearest Commerical Land Use
Description Affected Land Use
Construction Commercial
Equipment
Spec Actual Receptor Estimated
Impact Lmax Lmax Distance Shielding
Description Device Usage(%) (dBA) (dBA) (feet) (dBA)
Crane No 16 80.6 175 0
Man Lift No 20 74.7 175 0
Man Lift No 20 74.7 175 0
Backhoe No 40 77.6 175 0
Vibratory Concrete Mixer No 20 80 175 0
Paver No 50 77.2 175 0
Roller No 20 80 175 0
Roller No 20 80 175 0
Paver No 50 77.2 175 0
Backhoe No 40 77.6 175 0
Generator (<25KVA, VMS signs) No 50 72.8 175 0
Welder / Torch No 40 74 175 0
Welder / Torch No 40 74 175 0
Welder / Torch No 40 74 175 0
Compressor (air) No 40 77.7 175 0
Results
Calculated (dBA)
Equipment *Lmax Leq
Crane 69.7 61.7
Man Lift 63.8 56.8
Man Lift 63.8 56.8
Backhoe 66.7 62.7
Vibratory Concrete Mixer 69.1 62.1
Paver 66.3 63.3
Roller 69.1 62.1
Roller 69.1 62.1
Paver 66.3 63.3
Backhoe 66.7 62.7
Roadway Construction Noise Model (RCNM),Version 1.1
Generator (<25KVA, VMS signs) 61.9 58.9
Welder / Torch 63.1 59.1
Welder / Torch 63.1 59.1
Welder / Torch 63.1 59.1
Compressor (air) 66.8 62.8
Total 69.7 73.1
*Calculated Lmax is the Loudest value.

ATTACHMENT D
SoundPLAN Outputs – Onsite Project Noise
SoundPLAN
Output Source Information
Number Reciever Name Location Level at Ground Floor
1 Residential Residential property north of the Project Site. 39.4 dBA 2 Industrial/Commercial Steve’s Towing (south of Project Site) 54.4 dBA 3 Industrial/Commercial RightWay Temporary Power (north of Project Site) 41.0 dBA 4 Industrial/Commercial DC Pantry (across West Minthorn Street) 51.3 dBA Number Noise Source Information Citation Level at Source 1 internal circulation/ parking lot & shop activity ECORP Consultinjg, Inc. Refrence Noise Measurment (Pbig O Tires) 66.3 dBA Appendix I
Trip Generation and VMT Screening Memo,
Construction Equipment Rental Facility,
29400 Enterprise Way, Lake Elsinore
Ki! TRAFFIC El\llill\lEERll\lli, Inc.

Traffic Control . Sfgnal . Synchro11ization . Parking , Study March 25, 2022
Ed & Leslie Hamud
Collier Commercial Properties
43 Golfview Drive
Dove Canyon, CA 92679
c/o. Jonathan Zane
Re: Trip Generation and VMT Screening Memo
Construction Equipment Rental Facility
29400 Enterprise Way, Lake Elsinore
Dear Ed & Leslie,
Approved
BB
7/21/2022
Per your request, we have conducted a trip generation and VMT screenmg memorandum for the proposed construction equipment rental facility. This letter presents our findings and recommendations.

PROJECT DEVELOPMENT
The project site (APN 377-190-002, 003, 004) is located at 29400 Enterprise Way in the City of Lake Elsinore. The site is currently vacant, unimproved, and adjacent to Collier Avenue, north of Steve's Towing Services. The proposed development plans to operate two new buildings for a construction equipment rental facility. The facility of 11, 975 square feet includes Building A of 3,000 square feet and Building B of 8,975 square feet. Site plan is provided in Exhibit 1.

TRIP GENERATION
According to the " ," published by the Institute of
Transportation Engineers (ITE), the proposed use is defined as a construction equipment rental store, which is a business that specializes in the rental of construction equipment tools and supplies including, but not limited to, electrical and industrial tools, pumps, lawn and garden equipment, paving and earthmoving equipment, and safety equipment. Based on 11 ,975 square feet of construction equipment rental use, the proposed facility is expected to have a trip generation of 1442 Irvine Blvd, Suite 210, Tustin, CA 92780 T.714-832-2116 Email: [email protected] Trip Generation, 11th Edition
K2 Traffic Engineering, Inc.
24 trips in the AM peak hour, 12 trips in the PM peak hour, and 119 average daily traffic (ADT) trips. The applicable ITE trip generation rates and project trips associated with the proposed facility are provided in Table 1.

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