City Council/Public Financing Authority
March 3, 2026

2100 Main Street, Suite 150
Huntington Beach, California 92648
PH 714.969.0800
FAX 714.969.0820
www.geosyntec.com
HL1685B\Edison Park Waste Delineation Final Report
June 7, 2021
Farhad Bolourchi, MSCE
Project Coordinator - Development Division
Community Service Department - City of Huntington Beach 2000 Main Street
Huntington Beach, California 92648
Subject: Focused Area Waste Limit/Depth Evaluation
Edison Park, Huntington Beach, California

INTRODUCTION
At the request of City of Huntington Beac h, Community Services Department (City), Geosyntec Consultants Inc. (Geosyntec) has pr epared this letter report documenting the results of limited subsurface investigations to evaluate the approx imate lateral limit(s) and depth(s) of existing waste along a selected portion of the eastern edge of the former Canary Street Refuse Disposal Station (Landfill) at Edison Park (hereafter Site). The requested area for waste delineation at the Site is shown on Figure 1 as it was provided to Geosyntec by the City in January 2019. The objective of the scope of work performed by Geosyntec was to collect field data to suppor t the City in its evaluation of potential locations/types of proposed facilities/amenities at the Site.

BACKGROUND
Edison Park was constructed ove r the Cannery Street Former Refuse Disposal Station, also previously known as Cannery Street Landfill (CSL) in early 1970s. The CSL is approximately 27.5 acres, located in the City of Huntington Beach at the northwest corner of the intersection of Magnolia Street and Hamilton Avenue. The site’s formal address is 21379 Magnolia Street, Huntington Beach, California 92647.

Some of the existing facilities/amenities at the Site are constructed on top of waste material deposited at the former CSL. Settlement, differential settlement, and potential sinkholes are typically expected to occur at facilities constr ucted on top of waste. The effect of settlement, differential settlement and/or a combination of both are observed at the existing tennis courts, sidewalks, open park areas and other hardscape/amenities at the Site. However, the surface expression of settlement/differential settlement is more pronounced in the vicinity of the Tennis courts potentially limiting the functionality and aesthetics of the Tennis courts.

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In 2018, the City retained Geosyntec to prep are a feasibility study to evaluate several alternatives for repairing or reconstructing settlement related damage to the existing park and recreational areas at the Site [Geosyntec, 2018].

Geosyntec performed two site investigations for this project – the first investigation was performed between in November 2020 in the landscaped areas within the requested focus area and the second investigation was conducted on March 2021 in the areas of the park within the focus area currently under concrete slab.

PRE-FIELD INVESTIGATION ACTIVITIES
Geosyntec prepared a Site-specific Task Hazard Analysis (THA) that identified Site conditions, potential hazards, hazard control, monitoring procedures, personal protective equipment, and emergency procedures. Prior to field investigations, Geosyntec notified Underground Service Alert (USA) of southern California to mark and clear utilities in, and near to, the investigation focus area to reduce the potential for accidentally encountering buried utility lines. In add ition, Geosyntec utilized the services of GEOVision, Inc. to perform a limited geophysical survey of the investigation focus area (and other potential boring/test pit locations) to evaluate potential buried underground utilities/features prior to performing field investigations. Geosyntec also obtained permits to advance soil bor ings from the Orange County Health Care Agency, Environmental Health Division, required under Orange County Well Ordinance (County Ordinance No. 2607) [Permit No. 20-08-22 a nd Permit No. 21-03-07]. The DigAlert ticket confirmations, field sketches provide d by GEOVision and the soil boring permits are included here in Appendix A.

Geosyntec had, under a previous authorization from the City, prepared and submitted to the South Coast Air Quality Management District (SCAQMD) the required permit application package in general compliance with Rule 1150 which included an Excavation Management Plan. The permit application, was submitted on April 30, 2019 and deemed complete on May 03, 2019 [Application Number: 612262]. The SCAQMD issued the permit on September 11, 2020. An SCAQMD pe rmit was not required for the second investigation. The permit issued by the SCAQMD f or the first investigation and a copy of the Excavation Management Plan is included here in Appendix B.

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FIELD INVESTIGATION
Test Pits
Five (5) exploratory test pits were logged between November 24 and November 25, 2020 by a Geosyntec engineer under the direction of a Professional Engi neer licensed in the State of California to evaluate the approximate lateral limit(s) of the existing waste in the approximate areas shown on Figure 2A. The logs were prepared based on visual field observations of the exploratory test pits’ exposed side-wall and retrieved soil cuttings.

The logs include a general de scription of the encountered soils in accordance with the Unified Soil Classification System (USCS) a nd Standard Practice for Description and Identification of Soils (ASTM D2488) as well as a field sketch of the exploratory test pit wall showing interfaces of encountered ma terials. Geosyntec subcontracted with American Integrated Services, Inc. (AIS) to excavate and backfill the exploratory test pits using a standard backhoe.

The proposed exploratory test pits commenced at the approximate waste limit estimated by TRC [2001] as shown on Figure 1. The exploratory test pits were advanced to an approximate depth of 5 feet vertically and horizontally until existing waste limits are visually observed. Once waste was encountered in the exploratory test pit, efforts were made to reduce the excavation of additional material. Waste materials were not, to the extent practical, removed from the excavation. The exploratory test pits were generally advanced until waste material was encountered or until an obstruction such as surface concrete or other infrastructure was reach ed. Plastic tarps were placed with plywood sheeting to temporarily stage the test pit spoils during the excavation. Additionally, approximately 10 ft by 20 ft fence panels with windscreen attached were used to serve as a work exclusion area and visual barrier on three sides. Existing grass and topsoil were segregated from the exploratory test pits and replaced after backfilling the test pits directly with the materials excavated from the test pits. Backfill material was compacted in place to help provide unyielding condition using a roller attached to the end of the backhoe, however, density or moisture tes ting was not performed and/or required. Test pit logs are provided here in Appendix C.

Test pits were first advanced vertically until the waste material was encountered, and then advanced horizontally in an eastward direction to determine the lateral limit of the waste.

The thickness of the soil overlying the waste were generally observed to range between 2 ft to 3.5 ft below the ground surface (bgs). Wa ste material was encountered at the five exploratory test pits (TP-1 through TP-5). La teral limit of waste was delineated at test pits TP-1 and TP-2; however, the lateral limit of waste could not be identified at test pits Edison Park Waste Delineation
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TP-3, TP-4, and TP-5. The approximate lateral limits of the waste as observed by the exploratory test pits are indicated in Figures 2A and 2B . A summary of test pit dimensions, thickness of the soil layer/depth to the top of waste is presented in Table 1.

Table 1: Summary of Test Pits
Test Pit ID Width (ft) Length (ft) Soil layer thickness/ Depth to Top of Waste (ft bgs)
Total Depth
(ft bgs)
TP-1 3.5 19.5 3.0 4.5
TP-2 3.5 8.0 2.0 2.5
TP-3 3.5 21.5 3.0 3.5
TP-4 3.5 - 7.5 15.0 3.0 4.0
TP-5 3.5 45.0 2.0 2.5 - 4
TP-5A 3.5 6.0 2.0 3.5
Hollow-Stem Auger Borings
ABC Livion Drilling, Inc, working as a drilling subcontractor to Geosyntec advanced five (5) hollow-stem auger (HSA) borings on October 28, 2020 in the landscape areas and seven (7) HSA borings on March 12, 2021 in the concrete covered areas. The purpose of the HSA borings was to estimate the thickness of the existing waste layer at the approximate locations shown on Figures 2A and 2B . The HSA borings advanced near the estimated lateral limits of waste (i.e., HSA-1 through HSA-3) started approximately 5 to 10 feet to the west of waste limit as observed by the exploratory test pits. The purpose of these HSA borings (i.e., HSA-1 through HSA-3) was to evaluate the depth of waste at or near the lateral limits of waste as observed by field measurements from the exploratory test pits. The objective of the HSA borings advanced near the Tennis Court (i.e., HSA-4 and HSA-5) was to estimate the depth of existing waste in the vicinity of the Tennis Court area. The objective of HSA-2A through HSA-8A was to confirm if waste is present under the existing concrete slab and determine its depth, if present. Borehole logs for the HSA borings are provided in Appendix D.

Each boring was logged by Geosyntec field engi neer and includes a description of the encountered soils performed in general accordance with the USCS and Standard Practice for Description and Identification of Soils (ASTM D2488). Soil samples were collected from the HSA borings for logging and visual identification purposes, but no samples were retained for laboratory testing. Split-spoon samples were performed generally on the soil Edison Park Waste Delineation
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material encountered at the bottom of the boreholes to estimate the depth of waste. Each boring was advanced to a minimum of 1 foot below the bottom of the waste material, or until refusal, to visually assess that bottom of waste was reached. The HSA borings were backfilled with hydrated bent onite chips and the upper six inches with topsoil. The cuttings were containerized in 55-gallon dr ums, stored on-Site pending waste profiling, and disposed off-Site by AIS under waste ma nifest. Groundwater levels encountered in the HSA borings were recorded using a water level indicator. The depths to encountered groundwater at each of the HSA are listed in Table 2.

The thickness of the soil overlying the waste material, as observed from the HSA borings were found to range between 2 ft to 3.5 ft bgs. Borings HSA-4 and HSA-5 were advanced to depths of 34 ft and 41.5 ft bgs, respectively. Borings HSA-1, HSA-2, and HSA-3 were advanced to depths of 11.5 ft, 16.5 ft, a nd 21.5 ft bgs, respectively. HSA-2A through HSA-8A were advanced to depths that ranged from about 16.5 to 18 feet. The depths of groundwater encountered in the landscap e HSA borings (HSA-1 through HSA-5 performed) were observed to range between 8 and 12 ft bgs. The depths of groundwater encountered in borings (HSA-3A thr ough HSA-5A, HSA-7A and HSA-8A) were observed to range between 12.5 and 16.5 ft bgs. Groundwater was not encountered at borings HSA-2A and HSA-6A. The depth of waste was identified in the HSA borings where waste was encountered except HSA-4, wh ich hit refusal at a depth of 34 ft bgs before reaching the bottom of the waste. A summary of the HSA borings including the depth/thickness of the soil layer and waste, and the depth to groundwater is presented in Table 2.

Table 2: Summary of HSA Borings
Boring ID
Soil layer
thickness/ Depth
to Top of Waste
(ft bgs)
Depth to
bottom of
Waste (ft)
Waste
Thickness
(ft)
Total
Depth
(ft bgs)
Depth to
Groundwater (ft
bgs)
HSA-1 3.5 10.5 7.0 11.5 10.5
HSA-2 2.5 15.5 13.0 16.5 12.5
HSA-3 2.5 20.5 18.0 21.5 11.0
HSA-4 2.0 í >32.0 34.0 8.0
HSA-5 2.5 40.5 38.0 41.5 12.0
HSA-2A* 3.0* 10* 7.0* 16.5 Not observed
HSA-3A* 2.5* 10* 7.5* 16.5 15
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Boring ID
Soil layer
thickness/ Depth
to Top of Waste
(ft bgs)
Depth to
bottom of
Waste (ft)
Waste
Thickness
(ft)
Total
Depth
(ft bgs)
Depth to
Groundwater (ft
bgs)
HSA-4A* 2.5* 5* 2.5* 16.5 14.0
HSA-5A* 2.5* 15* 12.5* 17 16.5
HSA-6A* 2.5* 15* 12.5* 16.5 Not observed
HSA-7A* 3* 10* 7* 18 13.5
HSA-8A* 2.5* 11* 8.5* 16.5 12.5
*Soil materials encountered in this borehole contained slight traces of waste materials based on visual and odor field observations. No clearly defined waste layer was encountered in this borehole. Slight waste traces observed in this borehole may not be part of a continuous waste layer.

The approximate locations of the explorator y test pits and HSA borings were recorded using a hand-held global positioning system (GPS) unit.

Daily field reports with photo logs for the field investigation activities are included in Appendix E.

Air Monitoring
Geosyntec provided air monitori ng services during the first field investigation phase of the project. The air monitoring was performed by Geosyntec in general accordance with the requirements of the SCAQMD Rule 1150. Th e general prevailing wind direction at the site was typically onshore from the west-southwest to east-northeast. The upwind and downwind monitoring locations are shown on Figure 1.

In accordance with the requirements of the SCAQMD Rule 1150, the following air quality parameters were monitored:
x Particulate matter (dust) as PM 10 – PM10 monitoring will be performed using a DustTRAK DRX Handheld Aerosol mon itor. Dust monitoring was conducted approximately every 60 minutes thr oughout the workday at the upwind and downwind monitoring locations. Action levels for dust at the monitoring locations was set in accordance with the SCAQMD Rule 1150 requirements at 0.05 mg/m3 above background. The recorded PM 10 levels were below the action level of

0.05 mg/m3 above background.
x Total Organic Compounds (TOCs) as methane – Continuous monitoring of TOC was conducted using an QRAE III monito ring equipment at the working face of Edison Park Waste Delineation
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the excavation and at the downwind property monitoring location. The maximum sustained readings (greater than 15 s econds) were recorded at approximately every 15 minutes. Action levels for TOC readings at the excavation face and downwind property monitoring locati on was set at 500 ppmv and 200 ppmv, respectively, in accordance with th e SCAQMD Rule 1150 requirements. The recorded TOC level were below the action levels at the monitoring locations. x Odor – Unusual odor or increase in odor was not detected by Geosyntec personnel during the test pit excavation or HSA drilling.
x Local Weather – Local weather paramete rs were monitored at approximately every 15 minutes throughout the workday. $PELHQW7HPSHUDWXUH ႔ DQG:LQG
Direction were monitored digitally from the KCAHUNT143 weather station located in close proximity to the Site . Wind Speed (miles/hour) was measured using a handheld Kestrel 4000 monitoring device.

Daily air monitoring logs are provided in Appendix E.

FINDINGS
Waste Delineated
Lateral limits of waste was delineated at two test pit locations (TP-1 and TP-2). Figure 2 shows an approximate limit of waste as identified from the test pits. The approximate depths to the encountered waste layer at TP -1 and TP-2 were 3.5 ft bgs and 3 ft bgs, respectively.

Waste Not-Delineated
Waste was identified at three test pit loca tions (TP-3, TP-4, and TP-5); however, the lateral limit of waste was not identified. It is likely that the lateral limits of waste at these locations may extend eastward past the obstruction such as the concrete slab at TP-3 and TP-4, and concrete sidewalk at TP-5. The approximate depths to waste from existing surface at TP-3, TP-4, and TP-5 ranged between 2 to 3 ft bgs.

Waste Depth
The depths of waste at HSA borings near the estimated lateral limits of waste (HSA-1 through HSA-3) were found to range between 10.5 ft and 20.5 ft bgs. The depth of waste at HSA-5 near the northern edge of tenni s court was observed to be approximately

40.5 ft bgs. The depth of waste at HSA-4 near the southern edge of the tennis court could not be identified due to refusal, however waste was still observed up to 34 ft bgs. The Edison Park Waste Delineation
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HL1685B\Edison Park Waste Delineation Final Report
depths of waste at the borings under c oncrete slab (HSA-2A through HSA-8A) were found to range between 5 ft and 15 ft bgs.

Waste and Soil Layer Characteristics
The soil layer at the Site was visually classified as silty sand (SM) in general accordance with ASTM D2488. The thickness of the soil layer generally ranged between 2 to 3.5 ft bgs. The waste material encountered at the site generally composed of dark gray asphalt concrete debris and decaye d wood pieces within the landscape areas and dark gray, medium to high plasticity clay soils, with trace debris and slight organic odor within the concrete slab areas. The waste material s did not have any unusual odor. The above characteristics of the waste material was consistent throughout the investigation locations.

Groundwater
Groundwater was encountered at all five HSA boring locations in the landscape areas and all but two HSA borings in the concrete sl ab areas. The depth to groundwater in the landscape borings generally ranged between 8 to 12 ft bgs. The depth to groundwater in the concrete slab borings generally ranged between 12.5 to 16.5 ft bgs except at HSA-2A and HSA-6A where groundwater was not encountered.

SUMMARY AND RECOMMENDATIONS
In general, existing waste limit was delin eated along the Eastern limit of the CSL as identified by Test Pits (TP-1 and TP-2). However, the existing waste limit along the Southern Section of the Eastern limit of CSL was not delineated due the existing structures and/or concrete lined areas. Test Pits (TP-3, TP-4 and TP-5) were advanced until the test pit encountered a structure and/ or lined areas. Based on borings HSA-2A through HSA-8A, traces of waste material impeded within soil layer is present under the concrete slab within the focus area as shown in Figure 2B. However, the exact waste amount that maybe impeded in the soil layer located in areas under the concrete slab of the site is not known. Geosyntec recommends that field observations and monitoring services are performed by an experienced landfill engineer during the construction and/or excavation phase of the project to help further identify the limit of potential waste materials. Geosyntec also recommends that excavation and/construction activities in the areas described in this letter report are performed by a licensed Contractor with extensive experience in working in landfill environments. Proposed design features, amenities and structures should take into consideration the potential presence of waste materials in the areas described in this letter report. Furthermore, Geosyntec recommends that the design team for proposed structures and park amenities work closely with an experience landfill Edison Park Waste Delineation
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HL1685B\Edison Park Waste Delineation Final Report
engineer that can provide design input recommendation including but not limited to potential settlement, methane, drainage, irrigation and other design considerations.

LIMITATIONS
The conclusions and professiona l opinions presented in this letter report were prepared for the City of Huntington Beach in accordance with generally accepted geotechnical and landfill engineering principles and practices.

The subsurface conditions presented in this letter report are based on information obtained from a limited number of exploratory test pits and HSA borings advanced to evaluate lateral limits and depths of the existing waste.

The data, conclusions, and recommendation contained herein should be considered only for this specific project and locations discussed in this letter report. Geosyntec is not responsible for any conclusions or recommendations that may be made by others, unless we have been given an opportunity to review such conclusions and/or recommendations and concur with them in writing. If any changes are made in the project as outlined in this letter report, the conclusions and/or recommendations contained in this letter report shall not be valid unless the changes are reviewed and the conclusions and/or recommendations of this letter report are modified or approved in writing by Geosyntec.

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CLOSURE
We appreciate the opportunity of assisting you on this important project. If you have any questions about this letter report, or require additional information, please do not hesitate to call the undersigned at (714) 969-0800.

Sincerely,
________________________________
Karthik Viswanathan, E.I.T.

Engineer
________________________________
Yonas B. Zemuy, P.E.

Principal Engineer
______________________________
Sneha Upadhyaya, Ph.D.

Senior Staff Engineer
Attachments:

Figure 1 – Site Plan
Figure 2a – Field Investigation Locations (North)
Figure 2b – Field Investigation Locations (South)
Appendix A – Soil Boring Permit, DigAlert Ticket Confirmations and Geophysical Utility Clearance Field Notes
Appendix B – SCAQMD Permit for Rule 1150
Appendix C – Test Pit Logs
Appendix D – Boring Logs with Key
Appendix E – Daily Field Reports
Appendix F – Air Monitoring Logs

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REFERENCES
Geosyntec [2018], “Feasibility Study for Ed ison Park Settlement Related Damage Repair,” Geosyntec Consultants, Inc., October 3, 2018.

TRC [2001], “Environmental Site Assessment Report, Former Cannery Street Refuse Disposal Station,” prepared for the County of Orange Integrated Waste Management Department. January.

HL1685B\Edison Park Waste Delineation Final Report
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HL1685B\Edison Park Waste Delineation Final Report
Appendix A
Soil Boring Permit, DigAlert Ticket
Confirmations and Geophysical Utility
Clearance Field Notes
1 Karthik Viswanathan
From: [email protected]
Sent: Friday, September 18, 2020 6:25 PM
To: Karthik Viswanathan
Subject: DigAlert Confirmation for Ticket A202620900-00A CAUTION:Thisemailoriginatedfromoutsideoftheorganization.Donotclicklinksoropenattachmentsunlessyourecognizethe senderandknowthecontentissafe.Ifyouhaveanysuspicion,pleaseconfirmwiththesenderverballythatthisemailisauthentic. 
EMLCFM 03993A USAS 09/18/20 18:25:10 A202620900-00A NEW NORM POLY LREQ Thank you for contacting Underground Service Alert of Southern California.

This is an automatically generated confirmation of your DigAlert.

For your safety please excavate carefully around the marked utility lines.

For more information regarding DigAlert's web portals, mobile apps and text messaging, please visit www.digalert.org or text Services to DIGALT (344258).

This email comes from an automated program that is NOT MONITORED.

DO NOT REPLY TO THIS EMAIL.

This is not a certified copy of the ticket.

Ticket: A202620900 Rev: 00A Created: 09/18/20 18:24 User: BRJ Chan: 100 Work Start: 09/24/20 07:00 Legal Start: 09/24/20 07:00 Expires: 10/16/20 23:59 Response required: Y Priority: 2
Excavator Information
Company: AMERICAN INTERGRATED SERVICES
Co Addr: 1502 E OPP ST
City : WILMINGTON State: CA Zip: 90744 Created By: KARTHIK VISWANATHAN-GEOSYNTEC Language: ENGLISH Office Phone: 714-969-0800 SMS/Cell: 510-993-8823 Office Email: [email protected]
Site Contact: SNEHA UPADHYAYA
Site Phone: 714-461-9911 Site SMS/Cell: 714-461-9911 Site Email: [email protected]
Excavation Area
State: CA County: ORANGE Place: HUNTINGTON BEACH Zip: 92646
Location: Address/Street: STILWELL DR
: X/ST1: POSTON LN
:
: APPROX 65FT W/OF POSTON LN AT APPROX 250FT, 400FT, 520FT, 760FT, : 1015FT S/OF STILWELL DR **ALL LOCATIONS WITHIN PARK** **PROPERTY OF : EDISON COMMUNITY PARK** **MARK 25FT RADIUS ALL LOCATIONS** Delineated Method: WHITEPAINT
Work Type: (5) TEST PITS (8FT DEPTH)
Work For : GEOSYNTEC CONSULTANTS
Permit: Job/Work order:
1 Year: N Boring: N Street/Sidewalk: N Vacuum: N Explosives: N 2 Lat/Long
Center Generated (NAD83): 33.653755/-117.973122 33.653752/-117.972114 : 33.650862/-117.973129 33.650859/-117.972121
Excavator Provided: 33.653346/-117.972630 33.652895/-117.972609 : 33.652569/-117.972623 33.651933/-117.972633 33.651273/-117.972623 Map link:
https://newtin.digalert.org/newtinweb/map_tkt.nap?TRG=E4TbQYTXQXOSNVW-C Members:

CSD91 ORANGE CO SANITATION CONTROL CENTER 714-593-7025 HUN01 C/OF HUNTINGTON BCH-WTR DAVID RICO 714-861-0134 MCISOCAL MCI (VERIZON BUSINESS) FIBE FIBER SECURITY DEPT 800-624-9675 SCG2XN SC GAS - GARDEN GROVE LEAD DISPATCHER - CHUCK 800-603-7060 UCHTRW_C5 UTIL/SPECTRUM GG - CATV SPECTRUM DAMAGE ONLY 844-780-6054 UOCW01 UTILIQUEST 4 OR CNTY WTR DIST SCOTT DAVIDSON / JUSTIN 714-766-9375xCELL USCEOR UTILIQUEST FOR SCE- ORANGE RE SC EDISON PERSONNEL 800-611-1911 UTFTRCA01 UTILIQUEST/FRONTIER - TEL/ UTILIQUEST DISPATCH 800-366-7801 (c) Copyright 2017 Underground Service Alert of Southern California.

All rights reserved.
1 Karthik Viswanathan
From: [email protected]
Sent: Friday, September 18, 2020 6:35 PM
To: Karthik Viswanathan
Subject: DigAlert Confirmation for Ticket A202620902-00A CAUTION:Thisemailoriginatedfromoutsideoftheorganization.Donotclicklinksoropenattachmentsunlessyourecognizethe senderandknowthecontentissafe.Ifyouhaveanysuspicion,pleaseconfirmwiththesenderverballythatthisemailisauthentic. 
EMLCFM 03997A USAS 09/18/20 18:34:34 A202620902-00A NEW NORM POLY LREQ Thank you for contacting Underground Service Alert of Southern California.

This is an automatically generated confirmation of your DigAlert.

For your safety please excavate carefully around the marked utility lines.

For more information regarding DigAlert's web portals, mobile apps and text messaging, please visit www.digalert.org or text Services to DIGALT (344258).

This email comes from an automated program that is NOT MONITORED.

DO NOT REPLY TO THIS EMAIL.

This is not a certified copy of the ticket.

Ticket: A202620902 Rev: 00A Created: 09/18/20 18:34 User: BRJ Chan: 100 Work Start: 09/24/20 07:00 Legal Start: 09/24/20 07:00 Expires: 10/16/20 23:59 Response required: Y Priority: 2
Excavator Information
Company: ABC LIOVIN DRILLING
Co Addr: 1180 E BURNETT ST
City : SIGNAL HILL State: CA Zip: 90755 Created By: KARTHIK VISWANATHAN-GEOSYNTEC Language: ENGLISH Office Phone: 714-969-0800 SMS/Cell: 510-993-8823 Office Email: [email protected]
Site Contact: SNEHA UPADHYAYA
Site Phone: 714-461-9911 Site SMS/Cell: 714-461-9911 Site Email: [email protected]
Excavation Area
State: CA County: ORANGE Place: HUNTINGTON BEACH Zip: 92646
Location: Address/Street: STILWELL DR
: X/ST1: POSTON LN
:
: APPROX 50FT W/OF POSTON LN AT APPROX 320FT, 570FT, 745FT S/OF STILWELL : DR; APPROX 240FT W/OF POSTON LN AT APPROX 720FT & 450FT S/OF STILWELL : DR **ALL LOCATIONS WITHIN PARK** **PROPERTY OF EDISON COMMUNITY : PARK** **MARK 25FT RADIUS ALL LOCATIONS**
Delineated Method: WHITEPAINT
Work Type: (5) SOIL BORINGS
Work For : GEOSYNTEC CONSULTANTS
Permit: Job/Work order:
2 1 Year: N Boring: N Street/Sidewalk: N Vacuum: N Explosives: N Lat/Long
Center Generated (NAD83): 33.653556/-117.973708 33.653537/-117.972127 : 33.651572/-117.973731 33.651553/-117.972151
Excavator Provided: 33.653131/-117.972625 33.652477/-117.972639 : 33.651969/-117.972632 33.652032/-117.973225 33.652770/-117.973224 Map link:
https://newtin.digalert.org/newtinweb/map_tkt.nap?TRG=64Co9pCk9sztws3-k Members:

HUN01 C/OF HUNTINGTON BCH-WTR DAVID RICO 714-861-0134 SCG2XN SC GAS - GARDEN GROVE LEAD DISPATCHER - CHUCK 800-603-7060 UCHTRW_C5 UTIL/SPECTRUM GG - CATV SPECTRUM DAMAGE ONLY 844-780-6054 UOCW01 UTILIQUEST 4 OR CNTY WTR DIST SCOTT DAVIDSON / JUSTIN 714-766-9375xCELL USCEOR UTILIQUEST FOR SCE- ORANGE RE SC EDISON PERSONNEL 800-611-1911 UTFTRCA01 UTILIQUEST/FRONTIER - TEL/ UTILIQUEST DISPATCH 800-366-7801 (c) Copyright 2017 Underground Service Alert of Southern California.

All rights reserved.
1 Karthik Viswanathan
From: [email protected]
Sent: Monday, March 8, 2021 3:11 PM
To: Sneha Upadhyaya
Subject: DigAlert Confirmation for Ticket A210670984-00A CAUTION:Thisemailoriginatedfromoutsideoftheorganization.Donotclicklinksoropenattachmentsunlessyourecognizethe senderandknowthecontentissafe.Ifyouhaveanysuspicion,pleaseconfirmwiththesenderverballythatthisemailisauthentic. 
EMLCFM 04567A USAS 03/08/21 15:11:07 A210670984-00A NEW NORM POLY LREQ Thank you for contacting Underground Service Alert of Southern California.

This is an automatically generated confirmation of your DigAlert.

For your safety please excavate carefully around the marked utility lines.

For more information regarding DigAlert's web portals, mobile apps and text messaging, please visit www.digalert.org or text Services to DIGALT (344258).

This email comes from an automated program that is NOT MONITORED.

DO NOT REPLY TO THIS EMAIL.

This is not a certified copy of the ticket.

Ticket: A210670984 Rev: 00A Created: 03/08/21 15:10 User: NAN Chan: 100 Work Start: 03/12/21 07:00 Legal Start: 03/12/21 07:00 Expires: 04/05/21 23:59 Response required: Y Priority: 2
Excavator Information
Company: ABC LIOVIN DRILLING
Co Addr: 1180 E BURNETT ST
City : SIGNAL HILL State: CA Zip: 90755 Created By: KARTHIK VISWANATHAN (GEOSYNTEC Language: ENGLISH Office Phone: 714-969-0800 SMS/Cell: 510-993-8823 Office Email: [email protected]
Site Contact: SNEHA UPADHYAYA
Site Phone: 714-461-9911 Site SMS/Cell: 714-461-9911 Site Email: [email protected]
Excavation Area
State: CA County: ORANGE Place: HUNTINGTON BEACH Zip: 92646
Location: Address/Street: MAGNOLIA ST
: X/ST1: HAMILTON AVE
:
: APPROX 685FT N/OF HAMILTON AVE AT APPROX 430FT W/OF S/BOUND MAGNOLIA : ST; APPROX 630FT N/OF HAMILTON AVE AT APPROX 370FT W/OF S/BOUND : MAGNOLIA ST; APPROX 585FT N/OF HAMILTON AVE AT APPROX 345FT W/OF : S/BOUND MAGNOLIA ST; APPROX 525FT N/OF HAMILTON AVE AT APPROX 335FT : W/OF S/BOUND MAGNOLIA ST; APPROX 530FT N/OF HAMILTON AVE AT APPROX : 375FT W/OF S/BOUND MAGNOLIA ST; APPROX 545FT N/OF HAMILTON AVE AT : APPROX 420FT W/OF S/BOUND MAGNOLIA ST; APPROX 608FT N/OF HAMILTON AVE : AT APPROX 375FT W/OF S/BOUND MAGNOLIA ST; **MARK 25FT RADIUS AROUND : EACH LOCATION** **DELINEATED EACH LOCATION #1-8 IN WHITE PAINT** 2 Delineated Method: WHITEPAINT
Work Type: 8 SOIL BORINGS
Work For : GEOSYNTEC
Permit: Job/Work order:
1 Year: N Boring: N Street/Sidewalk: N Vacuum: N Explosives: N Lat/Long
Center Generated (NAD83): 33.652888/-117.972945 33.652751/-117.971663 : 33.651623/-117.973080 33.651486/-117.971798
Excavator Provided: 33.652427/-117.972528 33.652276/-117.972352 : 33.652137/-117.972245 33.651984/-117.972236 33.651974/-117.972353 : 33.652017/-117.972514 33.652159/-117.972535 33.652187/-117.972344 Map link:
https://newtin.digalert.org/newtinweb/map_tkt.nap?TRG=F5RZPXUXMfKaEaN-Q Members:

HUN01 C/OF HUNTINGTON BCH-WTR DAVID RICO 714-861-0134 SCG2XN SOCALGAS DISTRIBUTION GARDEN LEAD DISPATCHER - CHUCK 800-603-7060 UOCW01 UTILIQUEST 4 OR CNTY WTR DIST SCOTT DAVIDSON / JUSTIN 714-766-9375xCELL USCEOR UTILIQUEST FOR SCE- ORANGE RE SC EDISON PERSONNEL 800-611-1911 UTFTRCA01 UTILIQUEST/FRONTIER - TEL/ UTILIQUEST DISPATCH 800-366-7801 (c) Copyright 2017 Underground Service Alert of Southern California.

All rights reserved.

HL1685B\Edison Park Waste Delineation Final Report
Appendix B
SCAQMD Permit for Rule 1150

HL1685B\Edison Park Waste Delineation Final Report
Appendix C
Test Pit Logs

HL1685B\Edison Park Waste Delineation Final Report
Appendix D
Borings Logs with Key








 

 





 
 


 

 


 




 

 

 





 




 
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HL1685B\Edison Park Waste Delineation Final Report
Appendix E
Daily Field Reports
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Time Field Work Activities
0700 Arrived on site and met with GEOVision field crew Martin Garcia and Christopher Collins. 0705 Held a brief tailgate safety meeting. GEOVision crew acknowledged the THA. 0710 Performed a site walk with GEOVision crew to observe the proposed investigation locations (HSA-1 through HSA-5; TP-1 through TP-5).
0730 GEOVision started utility clearance survey at location of TP-1 test pit. Some utilities (likely irrigation and main water line) were encountered within 5 ft of TP-1. GEOVision marked a new location 14 ft north of the existing TP-1 location. 0800 GEOVision performed utility clearance survey at location of HSA-1 boring. No conflicts were found at HSA-1 location. 0810 GEOVision performed utility clearance survey at location of TP-2. Electrical and irrigation utility lines were located within 3 ft of TP-2 location. GEOVision marked a new TP-2 location 10 ft south of the existing location. 0820 GEOVision performed utility clearance survey at location of HSA-5 boring. No conflicts were found at HSA-5 location. 0835 GEOVision performed utility clearance survey at locations of TP-3 and HSA-2. Some utilities (likely irrigation lines) were encountered within 5 ft of HSA-2 and TP-3 location. GEOVis ion marked a new HAS-2 location 3 ft east of the existing location.
0850 GEOVision performed utility clearance survey at location of HSA-4. Some utilities were encountered within 2 ft of the HSA-4 location. GEOVision marked a new location 3 ft east of the existing location. 0900 GEOVision performed utility clearance survey at locations of TP-4 and HSA-3. Electrical and irrigation utility lines were encountered within 5-10 ft of TP-4 and HSA-3 locations. No conflict at HSA-3. GEOVision marked a new location 15 ft southwest of the existing TP-4 location.
0920 GEOVision performed utility clearance survey at TP-5 location. No conflicts were found at TP-5. 0945 Geosyntec and GEOVision departed the site for the day. '$,/<),(/'5(3257 5HSRUW6HTXHQFH1R

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GEOVision crew performing utility clearance survey at
location TP-1 (looking west)
Utility markings at TP-1 and the new TP-1 location
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Location HSA-1 cleared of utilities (looking north) GEOVisi on crew performing utility clearance survey at location TP-2 (looking north)
New TP-1 location
Existing TP-1
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Electrical utility markings at existing TP-2 and the new TP- 2 location (looking north) Location HSA-5 cleared of utilities (looking south) Utility markings at existing TP-3 and HSA-2 locations and the new HSA-2 location (looking northwest)
Utility markings at existing HSA-4 location and the new HSA-4 location (looking northwest)
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New HSA-2 location
TP-3
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Utility markings (electrical and irrigation lines) at TP-4 and HSA-3 locations and the new TP-4 location (looking north) Location TP-5 cleared of utilities (looking northwest). The anomalies located are likely roots.

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Time Field Work Activities
0645 Geosyntec air monitoring staff Eric Garcia arrived on site. 0650 Geosyntec field staff Sneha Upadhyaya arrived on site. 0700 Met with American Integrated Services (AIS) field crew (Geoff Harris, Antonio Sanchez, Jose Avila, and Brandon Duncan) and Geosyntec Air Monitoring field staff (Eric Garcia). Discussed the plan for the day with AIS field crew. 0710 AIS unloaded the drums at the parking lot.
0720 AIS mobilized the field equipment to proposed TP-1 exploratory test pit location. Plywood panels were placed on the ground to prevent potential rutting of the vegetation from the backhoe tires. 0730 Conducted a brief tailgate safety meeting.
0740 Fence panels with wind screens were placed around the excavation area. Plastic ta rps were placed for temporarily staging the excavated soil.
0745 Started excavation activities at TP-1 location using a backhoe (CASE 580 Super N) with 36 inches wide bucket. About 4 inches of sod and topsoil was removed carefully.
0750 Continued excavating through the cover soil [visual classifi cation in general accordance with ASTM D2488: Silty SAND (SM)]
0810 Encountered a 1 ft long metallic object at 2 ft below the ground surface (bgs). 0820 Encountered waste at approximately 3.5 ft bgs. Continued excavation to delineate the lateral limit of the waste. 0825 Geosyntec engineer Karthik Viswanathan arrived on-site. 0830 Encountered an underground irrigation pipe at approximately 3.0 ft bgs(1.5-inch PVC pipe). Minor damage caused during excavation was observed on the pipe.
0900 A section of the irrigation pipe was cut for repair. Excavation was continued towards the east to delineate the lateral limit of waste.
0930 Observed the lateral limit of the waste. Geosyntec took field measurements, prepared a log of the test-pit to include the field sketch of the exploratory test-pit wall.
0950 AIS repaired the damaged section of the irrigation pipe. 1010 AIS went to fill up the water trailer.
1050 Started backfilling the test pit (TP-1) with the excavated materi als. The excavated material was backfilled into the test-pit and compacted to a firm condition.
1130 City of Huntington Beach personnel (Farhad Bolourchi) arrived on-site. Geosyntec provided an update to Mr. Bolourchi on TP-1 excavation activities.
1140 Geosyntec Senior Engineer (Yonas Zemuy) arrived on-site. Mr. Zemuy and Mr. Bolourchi performed a site walk. 1200 Backfilling activities were completed at TP-1.
1210 AIS field crew stopped for lunch break.
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1250 Mobilized to TP-2 location.
1300 Excavation activities started at TP-2 location. The sod a nd topsoil were carefully removed. Excavation continued through the cover soil [visual classification in general accordance with ASTM D2488: Silty SAND (SM)]. 1315 Encountered waste at approximately 2 ft bgs at TP-2. Continued excavation towards the east to delineate the lateral limit of the waste.
1320 Observed the lateral limit of the waste at TP-2. Geosyntec took field measurements, prepared a log of the test-pit to include the field sketch of the exploratory test-pit wall.
1330 Started backfilling the test pit (TP-2) with the excavated materi als. The excavated material was backfilled into the test-pit and compacted to a firm condition.
1350 Backfilling activities were completed at TP-2.
1355 Mobilized to TP-3 location.
1410 Excavation activities started at TP-3 location. The sod and topsoil were carefully removed. Excavation continued through the cover soil [visual classification in general accordance with ASTM D2488: Silty SAND (SM)]. 1420 Encountered waste at approximately 3 ft bgs at TP-3. Continued excavation towards the east to delineate the lateral limit of the waste.
1430 Could not reach the lateral limit of the waste due to proximity to electric utility lines toward the east. Geosyntec field staff contacted Karthik Viswanathan (Geosyntec) and discussed about backfilling the excavated test-pit at TP-3 and starting a new test-pit the following day at 2 ft away from the marked electric lines (towards the east). 1440 Started backfilling the test pit (TP-3) with the excavated materials. The excavated material was returned into the test-pit and compacted to a firm condition.
1510 Backfilling activities were completed at TP-3. AIS to excavate a new test-pit at TP-3 tomorrow. 1515 AIS started moving the field equipment to the parking lot. Drums, plywood panels, and other equipment were secured within the fence panels at the parking lot.
1520 Geosyntec air monitoring staff Eric Garcia departed the site. 1545 Geosyntec field staff Sneha U. departed the site.
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Start of excavation at TP-1 location (looking south). Waste encountered at TP-1. Also indicated is the exposed underground irrigation pipeline (looking southeast).

Lateral limit of waste at TP-1 (looking south) Backfilling at TP-1(looking northeast)

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Start of excavation at TP-2 location (looking north). Was te encountered at TP-2 and the lateral limit of waste (looking northeast).

Backfilling at TP-2; placing the vegetation back (looking northeast). Start of excavation at TP-3 location (looking southeast).

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Waste encountered at TP-3 (looking east). Backfilling at TP-3 (looking southeast).

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Time Field Work Activities
0650 Geosyntec field staff Sneha Upadhyaya and Eric Garcia arrived on site. 0700 Met with American Integrated Services (AIS) field crew and mobilized the equipment to TP-3 location to resume trenching activities at TP-3. Note that the trenching activities were discontinued at TP-3 on September 24 due to proximity to marked electric utility line.
0710 Plywood panels were placed on the ground to prevent potential rutting of the vegetation from the backhoe tires. Fence panels with wind screens were placed around th e excavation area. Plastic tarps were placed for temporarily staging the excavated soil.
0715 Started excavation activities at TP-3 location 2 ft east of the marked electric utility line. Approximately 4 inches of sod and topsoil was removed carefully.
0720 Encountered the electric line at approximately 3.5 ft east of the marked utility line (1.5 ft from the western edge of the trench). Continued trenching from 1.5 ft away from the actual electric line (towards east). 0730 Encountered waste at about 3 ft bgs (dark grey Asphalt concrete debris, no odor). Continued excavation to delineate the lateral limit of the waste.
0810 Trench extended up to the edge of the concrete slab. Waste was observed to extent underneath the concrete slab. Unable to delineate the lateral extent of the waste. Geosyntec took field measurements, prepared a log of the test-pit to include the field sketch of the exploratory test-pit wall.
0815 Started backfilling the test pit (TP-3) with the excavated materi als. The excavated material was backfilled into the test-pit and compacted to a firm condition.
0830 Backfilling activities completed at TP-3.
0840 Mobilized to proposed TP-4 location.
0850 Excavation activities started at TP-4 location. The sod and topsoil were carefully removed. Excavation continued through the cover soil [visual classification in general accordance with ASTM D2488: Silty SAND (SM)]. 0855 Traces of Asphalt concrete observed at a pproximately 1.5 ft bgs. Some poorly graded fine sand (S P) was also observed at about 2 ft bgs (likely pipe bedding material).
0900 Encountered irrigation line (2-in. PVC pipe) at approximately 1 ft 8 in bgs. The irrigation pipe was damaged during excavation activities.
0915 Started another test pit 1 ft south of the existing test-pit at TP-4. 0930 Encountered waste at about 3 ft 3 inches bgs at TP-4 (dark grey Asphalt concrete debris, no odor). Continued excavation towards the east to delineate the lateral limit of the waste. 1025 Excavation was discontinued at approximately 3.5 ft away from the concrete slab due to close proximity to the marked utilities lines along the edge of the concrete slab. Unable to delineate the lateral extent of the waste. Geosyntec took field measurements, prepared a log of the test-pit to include the field sketch of the exploratory test-pit wall. 1030 AIS fixed the damaged irrigation pipe.
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1055 Started backfilling at TP-4 with the excavated materials. The excavated material was backfilled into the test-pit and compacted to a firm condition.
1140 Backfilling activities were completed at TP-2. AIS stopped for lunch. 1215 AIS returned from lunch.
1220 City of Huntington Beach Park Development Division officials arrived at the site (Chris Slama et al.). 1230 Mobilized to proposed TP-5 location.
1250 Excavation activities started at TP-5 location. The sod and topsoil were carefully removed. Excavation continued through the cover soil [visual classification in general accordance with ASTM D2488: Silty SAND (SM)]. 1300 Encountered waste (Asphalt concrete debris) at 1 ft 8 in bgs. 1310 Decayed wood pieces encountered at 4 ft 2 in bgs (mild organic odor). 1330 Excavation activities were continued towards the east. Waste was observed consistently at about 2 ft below the ground surface along the length of the trench.
1400 Excavation activities were continued until the edge of concrete sidewalk was reached (45 ft from the western edge of the trench). Excavation activities were discontinued. Unable to determine the lateral extent of the waste. 1410 Started backfilling the test pit (TP-5) with the excavated materi als. The excavated material was backfilled into the test-pit and compacted to a firm condition.
1500 Backfilling activities were completed at the excavated trench at TP-5. 1530 A pothole was excavated at about 35 ft away from the easter n edge of the TP-5 trench (past the sidewalks). Waste was observed at 2 ft bgs.
1540 Backfilled the pothole.
1545 AIS started demobilization activities.
1600 AIS and Geosyntec departed the site.
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Resumption of excavation at TP-3 location (looking south). El ectric utility pipe encountered at TP-3 (looking south).

Waste encountered at TP-3, waste continues underneath the concrete slab (looking east) Backfilling at TP-3 (looking east)

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Start of excavation at TP-4 location (looking northeast). Damaged irrigation pipe at TP-4 (looking northeast).

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Excavation of second trench adjacent to the first trench at TP-4 (looking southeast). Waste encountered at TP-4 (looking east).

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Waste observed to continue underneath the concrete slab at TP-4 (looking south).

AIS repairing the damaged irrigation pipe at TP-4 (looking northwest).

Start of excavation at TP-5 (looking southeast). Waste encountered at TP-5 (looking south).

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Waste materials at TP-5 (looking south). T rench wall face at TP-5 (looking south).

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Waste material encountered at TP-5 (looking south). Pothole 35 ft east of excavated trench at TP-5 and observation of waste (looking west).

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Backfilling the pothole at TP-5 (looking northwest).

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Time Field Work Activities
0650 Geosyntec field staff Sneha Upadhyaya arrived on site. 0655 Geosyntec air monitoring staff Eric Garcia arrived on site. 0705 ABC Liovin Drilling (ABC) arrived on site. Met with ABC crew Julio Gutierrez and Jimmy Candelaria. 0710 Discussed the plan for the day and walked to the first hollow stem auger location (HSA-5) to check the equipment access route.
0715 Conducted a brief safety meeting with ABC. ABC acknowledged the THA. 0730 Mobilized to proposed HSA-5 location.
0750 ABC carefully removed the top soil and vegetation. Hand augered the top 5 ft of soil. 0800 Encountered waste at approximately 2.5 ft bgs (dark gray Asphalt concrete debris, no odor). Continued hand augering. The soil cuttings were placed in 55-gallon drums.
0820 Started HSA drilling with CME85 drill rig. Mild organic odor at 8 ft bgs. 0825 Hard drilling observed at approximately 12 ft bgs. Some brick debris observed in the spoil. 0830 Observed wet spoil at approximately 18 ft indicative of reaching the ground water table (GWT). Measured the depth to the GWT to approximately 12 ft bgs.
0845 ABC project manager Bill Borgo on site.
0900 First split spoon sample collected at 30 – 31.5 ft bgs. Sample indicative of the presence of waste (dark gray, wet, with pieces of decayed wood, mild organic odor).
0905 Observed hard drilling (rattling of auger) at approximately 32 ft bgs. Advanced through the hard material at approximately 34 ft bgs.
0920 City of Huntington Beach Park Development Division official Farhad Bolourchi arrived at the site. 0930 Unsuccessful attempt to collect a split spoon sample at 35 to 36.5 ft bgs (no recovery, sample too soft). Second attempt was made to collect sample at 38-39.5 ft bgs, still unsuccessful. 0935 Third attempt was made to collect the sample at 40 to 41.5 ft bgs. The sample indicated the end of waste and beginning of native soil at approximately 40.5 ft bgs. Native soil was visually classified as Silty SAND (SM) in general accordance with ASTM D2488.
0940 HSA drilling terminated at 41.5 ft bgs.
0945 Geosyntec Senior Engineer Yonas Zemuy arrived at the site. 0950 Started backfilling the borehole at HSA-5 with hydrated bentonite chips. 1015 Mr. Bolourchi departed the site.
1025 Mr. Zemuy departed the site.
1030 Completed backfilling the borehole at HSA-5. The upper 6 inches were covered with top soil and vegetation. Mr. Borgo departed the site.
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1035 Mobilized to proposed HSA-4 location.
1050 ABC carefully removed the top soil and vegetation. Hand augered the top 5 ft of soil at HSA-4. 1055 Encountered waste at approximately 2 ft bgs (dark gray asphalt concrete debris, no odor). Continued hand augering. The soil cuttings were placed in 55-gallon drums.
1105 Started HSA drilling with CME85 drill rig.
1110 Encountered GWT; the depth to GWT was measured to be approximately 8 ft bgs. 1115 Hard drilling (rattling and rumbling of auger) observed starting at approximately 16 ft bgs. 1130 Hard drilling continues at approximately 25 ft bgs. Auger tilting observed. Little to no spoil observed starting at this depth. 1140 Damage to the wire connecting the sampling barrel assembly to the lead auger. 1150 ABC repaired the wire damage and continued drilling. 1200 Hard drilling continues at 30 ft bgs, little to no spoil observed at the ground surface. 1215 Continued attempt to drill past 30 ft bgs. Very slow advancement of the auger. 1235 At 34 ft bgs, auger tilting observed. Unable to drill past 34 ft. 1240 Terminated boring at 34 ft bgs.
1245 Retrieved the auger. The lead auger was plugged with wood. The wood had mild organic odor. 1300 Started backfilling the borehole at HSA-4 with hydrated bentonite chips. 1335 Completed backfilling the borehole at HSA-4. The upper 6 inches were covered with top soil and vegetation. 1345 Mobilized to HSA-3.
1355 ABC carefully removed the top soil and vegetation. Hand augered the top 5 ft of soil at HSA-3. 1405 Encountered waste at approximately 2.5 ft bgs (dark gray Asphalt concrete debris, no odor). Continued hand augering. The soil cuttings were placed in 55-gallon drums.
1415 Started HSA drilling with CME85 drill rig.
1420 Encountered GWT; the depth to GWT was measured to be approximately 11 ft bgs. 1430 First split spoon sample collected at 15 – 16.5 ft bgs. Observed material with a different texture than the overlying waste material (Visual classification: Sandy CLAY, dark gray, wet, medium to high plasticity, no odor), likely an interim soil cover layer.
1440 Second split spoon sample collected at 20 to 21.5 ft bgs. The sample indicated the end of waste and beginning of native soil at approximately 20.5 ft bgs. Native soil was visually cl assified as Poorly graded SAND with silt (SP-SM) in general accordance with ASTM D2488.
1445 Terminated boring HSA-3 at 21.5 ft bgs.
1450 Started backfilling the borehole at HSA-3 with hydrated bentonite chips. 1510 Completed backfilling the borehole at HSA-3. The upper 6 inches were covered with top soil and vegetation. '$,/<),(/'5(3257 5HSRUW6HTXHQFH1R

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1515 Mobilized to proposed HSA-2 location.
1530 ABC carefully removed the top soil and vegetation. Hand augered the top 5 ft of soil at HSA-2. 1535 Encountered waste at approximately 2.7 ft bgs (dark gray Asphalt concrete debris, no odor). Continued hand augering. The soil cuttings were placed in 55-gallon drums.
1540 Started HSA drilling at HSA-2 with CME85 drill rig. 1545 Split spoon sample collected at 15 – 16.5 ft bgs. The sample indicated the end of waste and beginning of native soil at approximately 15.5 ft bgs. Native soil was visually classified as Silty SAND (SM) in general accordance with ASTM D2488. 1550 Terminated boring HSA-2 at 16.5 ft bgs. Started backfilling at HSA-2. 1600 Completed backfilling HSA-2.
1615 Mobilized to HSA-1.
1620 ABC carefully removed the top soil and vegetation. Hand augered the top 5 ft of soil at HSA-1. 1630 Encountered waste at approximately 3.5 ft bgs (dark gray Asphalt concrete debris, no odor). Continued hand augering. The soil cuttings were placed in 55-gallon drums.
1640 Started HSA drilling at HSA-1 with CME85 drill rig. 1645 Split spoon sample collected at 10 – 11.5 ft bgs. The sample indicated the end of waste and beginning of native soil at approximately 10.3 ft bgs. Native soil was visually classified as Silty SAND (SM) in general accordance with ASTM D2488. 1650 Depth to GWT measured to be at approximately 10.5 ft bgs. 1655 Terminated boring HSA-1 at 11.5 ft bgs.
1700 Started backfilling at HSA-1.
1710 Completed backfilling at HSA-1.
1715 Geosyntec air monitoring staff Eric G. departed the site. 1720 ABC crew Julio G. departed the site.
1730 ABC crew Jimmy C. helped store the drums at the backyard of Edison Park Community Center, pending analysis and disposal.
1740 ABC crew Jimmy departed the site.
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Removal of top soil and vegetation at HSA-5 (looking northeast). Waste encountered at HSA-5 (looking northwest).

First split spoon sample collected at 30 – 31.5 ft bgs at HSA-5.

Sample indicates of the presence of waste.

Split spoon sample collected at 40 – 41.5 ft bgs at HSA-5. The interface between the waste and native soil is indicated.

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Backfilling the borehole at HSA-5 (looking northeast). Waste encountered at HSA-4 (looking northwest).

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Damage to the wire connecting the sampling barrel assembly to the lead auger at HSA-4; ABC fixing the wire (looking west). Tilting of auger at HSA-4 (looking west).

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Spoil (wood debris) retrieved from the auger at HSA-4. Wood plugged in the lead auger at HSA-4.

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Waste observed in the soil cuttings at HSA-3 (looking northeast). Split spoon sample collected at 20 to 21.5 ft bgs at HSA-3. The interface between the waste and native soil is indicated.

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Waste material observed in the spoil at HSA-2 (looking
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Split spoon sample collected at 15 – 16.5 ft bgs at HSA-2. The interface between the waste and native soil is indicated.

Waste material observed at HSA-1 (looking northwest). Split spoon sample collected at 10 – 11.5 ft bgs at HSA-1. The interface between the waste and native soil is indicated.

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0700 Arrived on site and met with GEOVision field crew J. Weiss and J. Foster. 0705 Held a brief tailgate safety meeting. GEOVision crew acknowledged the THA. 0710 Performed a site walk with GEOVision crew to observe the proposed investigation locations (HSA-1A through HSA-8A). 0720 GEOVision started utility clearance survey at proposed location of HSA-1A using the RD 8000 electromagnetic utility locater, Fisher TW-6 deep search pipe locator/metal detector, 60 HDZ, SIR3000 Ground Penetrating Radar, and walk in tandem. No conflicts were found at HSA-1A.
0730 GEOVision performed utility clearance survey at proposed location of HSA-2A boring. No conflicts were found at HSA- 2A location.
0745 GEOVision performed utility clearance survey at location of HSA-3A. Unknown anomalies were detected at the location of HSA-3A. GEOVision marked a new HSA-3A location 3 ft west of the existing location. 0800 GEOVision performed utility clearance survey at proposed location of HSA-4A boring. High voltage electrical lines and other unknown anomalies were detected within 5 ft of HSA- 4A location. GEOVision marked a new HSA-4A location 3 ft north of the existing location.
0815 GEOVision performed utility clearance survey at proposed location of HSA-5A. Electrical lines were detected conflicting with the proposed HSA-5A location. GEOVision marked a new HSA-5A location 5.5 ft west of the existing location. 0825 GEOVision performed utility clearance survey at proposed location of HSA-6A. Some anomalies were detected within 5 ft of the HSA-6A location. GEOVision marked a new location 1.5 ft north of the existing location. 0840 GEOVision performed utility clearance survey at proposed location of HSA-7A. No conflicts were found at HSA-7A location.
0850 GEOVision performed utility clearance survey at HSA-8A location. Unknown utilities were detected conflicting with the HSA-8A location. GEOVision marked a new location 2.5 ft south of the existing location 0915 Geosyntec and GEOVision departed the site for the day. '$,/<),(/'5(3257 5HSRUW6HTXHQFH1R

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Marked utilities at HSA-4A and the new HSA-4A location
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Location HSA-7A cleared of utilities (looking north) Marked anomalies at HSA-8 and the new HSA-8A location (looking north)

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Time Field Work Activities
0650 Geosyntec field staff Sneha Upadhyaya arrived on site. 0705 ABC Liovin Drilling (ABC) arrived on site. Met with ABC crew N. De La Torres and C. Villicana. 0715 Conducted a brief safety meeting with ABC. ABC acknowledged the THA. Discussed the scope of work and plan for the day.
0720 Mobilized to proposed HSA-7A location.
0750 ABC started drilling through the concrete at HSA-7A. Hand augered the top 5 ft of soil. The soil cuttings were placed in 55- gallon drums.
0810 Started HSA drilling with CME85 drill rig.
0825 Split spoon sample collected at 10 – 11.5 ft bgs.
0830 Encountered GWT; the depth to GWT was measured to be approximately 13.5 ft bgs. 0835 Terminated boring HSA-7A at approximately 18 ft bgs. 0850 Backfilled the borehole at HSA-7A with hydrated bentonite chips and patched the surface with rapid setting concrete. 0900 Bill Borgo from ABC arrived at the site.
0915 Mobilized to proposed HSA-8A location.
0920 Bill Borgo departed the site.
0925 ABC started drilling through the concrete and noticed 2 distinct layers of concrete. ABC informed that this could be indicative of potential utilities underneath the concrete slab and this decided to move the drilling location approximately 5 ft south of the originally proposed HSA-8A location.
0950 ABC started drilling through the concrete at the new HSA-8A location. Hand augered the top 5 ft of soil. The soil cuttings were placed in 55-gallon drums.
1015 Started HSA drilling at HSA-8A with CME85 drill rig. 1020 First split spoon sample collected at 10 – 11.5 ft bgs. 1025 Encountered GWT; the depth to GWT was measured to be approximately 12.5 ft bgs. 1030 A second split spoon sample was collected at 15 – 16.5 ft bgs. 1035 Terminated boring HSA-8A at 16.5 ft bgs.
1100 Backfilled the borehole at HSA-8A with hydrated bentonite chips and patched the surface with rapid setting concrete. 1115 Mobilized to HSA-3A.
1120 ABC started drilling through the concrete at the HSA-3A location. Hand augered the top 5 ft of soil. The soil cuttings were placed in 55-gallon drums.
1145 Started HSA drilling at HSA-3A with CME85 drill rig. 1200 First split spoon sample collected at 10 – 11.5 ft bgs. '$,/<),(/'5(3257 5HSRUW6HTXHQFH1R

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1210 A second split spoon sample was collected at 15 – 16.5 ft bgs. 1215 Encountered GWT; the depth to GWT was measured to be approximately 15 ft bgs. 1220 Terminated boring HSA-3A at 16.5 ft bgs.
1240 Backfilled the borehole at HSA-3A with hydrated bentonite chips and patched the surface with rapid setting concrete. 1250 Mobilized to HSA-2A.
1305 ABC started drilling through the concrete at the HSA-2A location. Hand augered the top 5 ft of soil. The soil cuttings were placed in 55-gallon drums.
1325 Started HSA drilling at HSA-2A with CME85 drill rig. 1340 First split spoon sample collected at 10 – 11.5 ft bgs. 1345 A second split spoon sample was collected at 15 – 16.5 ft bgs. 1350 Terminated boring HSA-2A at 16.5 ft bgs. No groundwater was encountered at this location. 1410 Backfilled the borehole at HSA-2A with hydrated bentonite chips and patched the surface with rapid setting concrete. 1420 Mobilized to HSA-4A.
1430 ABC started drilling through the concrete at the HSA-4A location. Hand augered the top 5 ft of soil. The soil cuttings were placed in 55-gallon drums.
1450 Started HSA drilling at HSA-4A with CME85 drill rig. 15:15 First split spoon sample collected at 10 – 11.5 ft bgs. 15:20 Encountered GWT; the depth to GWT was measured to be approximately 14.1 ft bgs. 15:25 A second split spoon sample was collected at 15 – 16.5 ft bgs. 1530 Terminated boring HSA-4A at 16.5 ft bgs.
1545 Backfilled the borehole at HSA-4A with hydrated bentonite chips and patched the surface with rapid setting concrete. 1555 Mobilized to HSA-5A.
1600 ABC started drilling through the concrete at the HSA-5A location. Hand augered the top 5 ft of soil. The soil cuttings were placed in 55-gallon drums.
1625 Started HSA drilling at HSA-4A with CME85 drill rig. 1630 K. Viswanathan (Geosyntec) arrived on-site.
1645 First split spoon sample collected at 10 – 11.5 ft bgs. 1650 A second split spoon sample was collected at 15 – 16.5 ft bgs. 1655 Encountered GWT; the depth to GWT was measured to be approximately 16.6 ft bgs. 1700 Terminated boring HSA-5A at 17 ft bgs.
1710 Mobilized to HSA-6A.
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1715 Backfilled the borehole at HSA-5A with hydrated bentonite chips and patched the surface with rapid setting concrete.

ABC started drilling through the concrete at the HSA-6A location. Hand augered the top 5 ft of soil. The soil cuttings were placed in 55-gallon drums.
1720 S. Upadhyaya (Geosyntec) departed the site.
1730 Started HSA drilling at HSA-3A with CME85 drill rig. 1735 First split spoon sample collected at 10 – 11.5 ft bgs. 1745 A second split spoon sample was collected at 15 – 16.5 ft bgs. 1800 Terminated boring HSA-6A at 16.5 ft bgs. No groundwater was encountered at this location. 1805 Backfilled the borehole at HSA-5A with hydrated bentonite chips and patched the surface with rapid setting concrete. 1830 ABC moved the 55-gallon drums (7 drums) within the fenced construction area south of the investigation area. 1845 Geosyntec and ABC personnel departed the site.

Drilling through concrete slab at HSA-7A (looking southeast) Hand augering at HSA-7A (looking east)

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Change in material observed in the drill cuttings at HSA-7A (looking east) Split spoon sample collected at 10 – 11.5 ft bgs at HSA-7A.

Backfilling the borehole at HSA-7A with hydrated bentonite chips (looking southeast)
Surface patching with rapid set concrete at HSA-7A (looking southwest)

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Change in material observed in the drill cuttings at HSA-8A at approximately 2.5 ft bgs Split spoon sample collected at 10 – 11.5 ft bgs at HSA-8A.

Split spoon sample collected at 10 – 11.5 ft bgs at HSA-3A. Split spoon sample collected at 15 – 16.5 ft bgs at HSA-3A.

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Split spoon sample collected at 10 – 11.5 ft bgs at HSA-2A. Split spoon sample collected at 15 – 16.5 ft bgs at HSA-2A.

Wood debris observed in the drill cuttings at HSA-4A Brick pieces observed in the drill cuttings at HSA-4A

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Split spoon sample collected at 10 – 11.5 ft bgs at HSA-4A. Split spoon sample collected at 15 – 16.5 ft bgs at HSA-4A.

Split spoon sample collected at 10 – 11.5 ft bgs at HSA-5A. Split spoon sample collected at 15 – 16.5 ft bgs at HSA-5A.

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Split spoon sample collected at 10 – 11.5 ft bgs at HSA-6A. Split spoon sample collected at 15 – 16.5 ft bgs at HSA-6A.

HL1685B\Edison Park Waste Delineation Final Report
Appendix F
Air Monitoring Logs
Time1,4 Ambient
Temp2,4 Wind Speed2,4 Wind
Direction3,4 Time1,4 Ambient
Temp2,4 Wind Speed2,4 Wind
Direction3,4
8:00 65 3.5 W 14:00 77 2.4 NW
8:20 65 5.1 W 14:15 77 2.7 NW
8:35 66 3.6 W 14:30 77 5.8 NW
8:50 66 1.8 W 14:45 77 5.4 NW
9:00 66 1.7 NW 15:00 77 4 NW
9:15 66 1.9 NW
9:30 67 0.8 E
9:45 67 1.3 E
10:00 69 1.6 E
10:15 70 2.4 NW
10:30 70 2.4 W
10:45 71 3.1 W
11:00 72 3.9 NW
11:15 72 4.1 NW
11:30 74 3.5 NW
11:45 74 5.3 NW
12:00 74 3.1 NW
12:15 74 3.4 W
12:30 73 3 W
12:45 73 2.8 W
13:00 74 4.4 NW
13:15 76 2.8 NW
13:30 77 1.9 NW
13:45 78 1.5 NW
3 - Wind Direction from KCAHUNT143 weather station
4 - Collect Readings Every 15 Minutes
Daily Local Weather Monitoring Log - 09/24/2020
Edison Park Waste Delineation Project
Edison Park
21379 Magnolia Street, Huntington Beach, CA 92647
1 - Pacific Daylight Time (PDT)
$PELHQW7HPSHUDWXUH
႔ DQG:LQG6SHHG
PLOHVKRXU
PHDVXUHGXVLQJ.HVWUHODQGIURP.&$+817ZHDWKHUVWDWLR Time1,4 Ambient
Temp2,4 Wind Speed2,4 Wind
Direction3,4 Time1,4 Ambient
Temp2,4 Wind Speed2,4 Wind
Direction3,4
7:15 65 2 NW 13:15 77 6.4 N
7:30 65 0.9 NW 13:30 76 5.4 N
7:45 66 2.1 W 13:45 76 5.1 NW
8:00 67 2.7 6: 14:00 75 4.8 NW
8:15 67 0.9 NW 14:15 75 6.7 NE
8:30 67 1.4 NW 14:30 74 6.1 NE
8:45 67 2.3 NW 14:45 74 5.4 NE
9:00 68 3.1 NW 15:00 74 4.5 NE
9:15 68 1.5 6: 15:15 74 4.8 NE
9:30 69 2.6 NW 15:30 74 5.1 N
9:45 69 2.1 NW
10:00 70 3.5 NW
10:15 72 3.6 NW
10:30 72 2.6 NW
10:45 72 3.4 NW
11:00 72 2.7 6:
11:15 72 2.1 W
11:30 74 2.5 NW
11:45 75 3.9 NW
12:00 75 3 NW
12:15 75 3.8 NW
12:30 76 3.5 NW
12:45 76 6 NW
13:00 76 5.2 N
4 - Collect Readings Every 15 Minutes
Edison Park Waste Delineation Project
Edison Park
21379 Magnolia Street, Huntington Beach, CA 92647
Daily Local Weather Monitoring Log - 09/25/2020
1 - Pacific Daylight Time (PDT)
$PELHQW7HPSHUDWXUH
႔ DQG:LQG6SHHG
PLOHVKRXU
PHDVXUHGXVLQJ.HVWUHODQGIURP.&$+817ZHDWKHUVWDWLR 3 - Wind Direction from KCAHUNT143 weather station
Time1,4 Ambient
Temp2,4 Wind Speed2,4 Wind
Direction3,4 Time1,4 Ambient
Temp2,4 Wind Speed2,4 Wind
Direction3,4
7:45 66 1 E 13:45 81 5.7 NE
8:00 66 1.2 E 14:00 81 5.1 NE
8:15 66 1.3 E 14:15 81 9 NE
8:30 68 1.7 NE 14:30 80 7.7 NE
8:45 70 1.9 NW 14:45 79 7.5 NE
9:00 70 2.2 NW 15:00 79 8.9 NE
9:15 70 2.5 W 15:15 78 3.3 NE
9:30 72 1.4 W 15:30 77 4.4 NE
9:45 72 2.5 6: 15:45 77 9.2 NE
10:00 72 1.2 6: 16:00 76 5.4 NE
10:15 73 1.8 6: 16:15 76 8 NE
10:30 73 2.1 6: 16:30 76 7.9 NE
10:45 73 2.5 NE 16:45 76 7.4 NE
11:00 74 4.2 NE 17:00 75 5.4 NE
11:15 75 3.8 NE
11:30 75 3.4 NE
11:45 75 3 NE
12:00 78 5.5 NE
12:15 78 4.8 NE
12:30 81 6.5 NE
12:45 81 5.4 NE
13:00 81 5.2 NE
13:15 81 4.4 NE
13:30 81 5.2 NE
4 - Collect Readings Every 15 Minutes
Edison Park Waste Delineation Project
Edison Park
21379 Magnolia Street, Huntington Beach, CA 92647
Daily Local Weather Monitoring Log - 09/28/2020
1 - Pacific Daylight Time (PDT)
$PELHQW7HPSHUDWXUH
႔ DQG:LQG6SHHG
PLOHVKRXU
PHDVXUHGXVLQJ.HVWUHODQGIURP.&$+817ZHDWKHUVWDWLR 3 - Wind Direction from KCAHUNT143 weather station
Date Time1 Location2 Equipment
ID3
Equipment
Operator
Reading
(mg/m3)4 Comments
24-Sep-20 8:00 TP-1 FA02926 EG 0.113 Background
24-Sep-20 8:05 UW FA02926 EG 0.089
24-Sep-20 8:12 DW FA02926 EG 0.093
24-Sep-20 9:00 UW FA02926 EG 0.055
24-Sep-20 9:10 DW FA02926 EG 0.075
24-Sep-20 10:00 UW FA02926 EG 0.061
24-Sep-20 10:10 DW FA02926 EG 0.059
24-Sep-20 11:00 UW FA02926 EG 0.023
24-Sep-20 11:05 DW FA02926 EG 0.062
24-Sep-20 11:15 Stop excavating
24-Sep-20 13:10 DW FA02926 EG 0.036
24-Sep-20 13:20 UW FA02926 EG 0.037 Stop excavating mob to TP-3 24-Sep-20 14:20 DW FA02926 EG 0.027
24-Sep-20 14:25 UW FA02926 EG 0.022 Stop excavating
25-Sep-20 7:15 TP-3 FA02926 EG 0.059 Background
25-Sep-20 7:21 UW FA02926 EG 0.039
25-Sep-20 7:26 DW FA02926 EG 0.041
25-Sep-20 8:15 Stop excavation at TP-2
25-Sep-20 8:53 Start excavation at TP-4
25-Sep-20 8:58 DW FA02926 EG 0.043
25-Sep-20 9:03 UW FA02926 EG 0.041
25-Sep-20 9:58 DW FA02926 EG 0.053
25-Sep-20 10:05 UW FA02926 EG 0.047
25-Sep-20 11:08 DW FA02926 EG 0.048
25-Sep-20 11:18 UW FA02926 EG 0.035 Start backfilling at TP-4 25-Sep-20 12:50 Start excavating TP-5
25-Sep-20 12:55 DW FA02926 EG 0.039
25-Sep-20 13:00 UW FA02926 EG 0.045
25-Sep-20 14:05 DW FA02926 EG 0.037
25-Sep-20 14:15 UW FA02926 EG 0.058
25-Sep-20 15:10 DW FA02926 EG 0.041
25-Sep-20 15:20 UW FA02926 EG 0.049
28-Sep-20 7:45 DW FA02926 EG 0.081 Background
28-Sep-20 7:50 UW FA02926 EG 0.088
28-Sep-20 8:00 DW FA02926 EG 0.095
28-Sep-20 8:08 UW FA02926 EG 0.097
28-Sep-20 9:05 DW FA02926 EG 0.076
28-Sep-20 9:10 UW FA02926 EG 0.09
Edison Park Waste Delineation Project
Edison Park
21379 Magnolia Street, Huntington Beach, CA 92647
Daily Particulate Matter (PM) Monitoring Log
1 of 2
Date Time1 Location2 Equipment
ID3
Equipment
Operator
Reading
(mg/m3)4 Comments
Edison Park Waste Delineation Project
Edison Park
21379 Magnolia Street, Huntington Beach, CA 92647
Daily Particulate Matter (PM) Monitoring Log
28-Sep-20 9:35 Stop boring at HSA5
28-Sep-20 10:55 Start boring at HSA4
28-Sep-20 11:00 DW FA02926 EG 0.099
28-Sep-20 11:05 UW FA02926 EG 0.097
28-Sep-20 12:00 DW FA02926 EG 0.088
28-Sep-20 12:08 UW FA02926 EG 0.092
28-Sep-20 13:05 Stop boring at HSA4
28-Sep-20 14:15 DW FA02926 EG 0.059
28-Sep-20 14:25 UW FA02926 EG 0.078
28-Sep-20 15:20 UW FA02926 EG 0.058
28-Sep-20 15:30 DW FA02926 EG 0.065
28-Sep-20 15:45 Stop boring at HSA2
28-Sep-20 16:45 DW FA02926 EG 0.078
28-Sep-20 16:50 UW FA02926 EG 0.052
Notes:
4 - Recorded every 60 minutes, when soil handling or excavation is in progress 3 - DustTRAK DRX Handheld Aerosol
1 - Pacific Daylight Time (PDT)
2 - Upwind or Downwind (perimeter)
2 of 2
Date Time1 Location2 Eu i p m e n t
D3
Eu i p m e n t
perator
eading
ppm 4 Comments
24- e -20 8:00 TP-1 A02533 E 0
24- e -20 8:12 DW A02533 E 0
24- e -20 8:20 TP-1 A02533 E 0
24- e -20 8:28 DW A02533 E 0
24- e -20 8:35 TP-1 A02533 E 0
24- e -20 8:40 DW A02533 E 0
24- e -20 8:47 TP-1 A02533 E 0
24- e -20 8:55 DW A02533 E 0
24- e -20 9:00 TP-1 A02533 E 0
24- e -20 9:10 DW 0
24- e -20 9:15 TP-1 A02533 E 0
24- e -20 9:20 DW A02533 E 0
24- e -20 9:30 TP-1 A02533 E 0
24- e -20 9:35 DW A02533 E 0
24- e -20 9:45 TP-1 A02533 E 0
24- e -20 9:55 DW A02533 E 0.2
24- e -20 10:00 TP-1 A02533 E 0.1
24- e -20 10:10 DW A02533 E 0
24- e -20 10:15 TP-1 A02533 E 0.1
24- e -20 10:30 DW A02533 E 0.1
24- e -20 10:35 TP-1 A02533 E 0.1
24- e -20 10:45 DW A02533 E 0.1
24- e -20 10:50 TP-1 A02533 E 0.1
24- e -20 11:05 DW A02533 E 0.1
24- e -20 11:15 TP-1 A02533 E 0.1
24- e -20 11:25 DW A02533 E 0.1
24- e -20 11:30 TP-1 A02533 E 0.1
24- e -20 11:40 DW A02533 E 0.1
24- e -20 11:45 TP-1 A02533 E 0.1
24- e -20 11:50 to e cavation
24- e -20 13:05 TP-2 A02533 E 0
24- e -20 13:10 DW A02533 E 0
24- e -20 13:20 TP-2 A02533 E 0
24- e -20 13:30 DW A02533 E 0
24- e -20 13:35 TP-2 A02533 E 0
24- e -20 13:45 DW A02533 E 0.1
Edison Park Waste Delineation Project
Edison Park
21379 Magnolia Street, Huntington Beach, CA 92647
Daily Total rganic Compounds T C Monitoring Log
1 of 4
Date Time1 Location2 Eu i p m e n t
D3
Eu i p m e n t
perator
eading
ppm 4 Comments
Edison Park Waste Delineation Project
Edison Park
21379 Magnolia Street, Huntington Beach, CA 92647
Daily Total rganic Compounds T C Monitoring Log
24- e -20 13:50 TP-2 A02533 E 0.1 to e cavation mo to TP-3 24- e -20 14:15 TP-3 A02533 E 0.1
24- e -20 14:20 DW A02533 E 0.1
24- e -20 14:30 TP-3 A02533 E 0.1
24- e -20 14:40 DW A02533 E 0.1
24- e -20 14:45 TP-3 A02533 E 0.1
24- e -20 14:55 DW A02533 E 0
24- e -20 15:00 TP-3 A02533 E 0.1 to e cavation at TP-3 25- e -20 7:15 TP-3 A02533 E 0.1 tart e cavation at TP-3 25- e -20 7:26 DW A02533 E 0.1
25- e -20 7:30 TP-3 A02533 E 0.2
25- e -20 7:35 DW A02533 E 0.3
25- e -20 7:45 TP-3 A02533 E 0.1
25- e -20 7:50 DW A02533 E 0.2
25- e -20 8:00 TP-3 A02533 E 0.1
25- e -20 8:10 DW A02533 E 0.1
25- e -20 8:15 TP-3 A02533 E 0.1 to e cavation at TP-3. Mo to TP-4 25- e -20 8:53 TP-4 A02533 E 0.2
25- e -20 8:58 DW A02533 E 0.2
25- e -20 9:10 TP-4 A02533 E 0.2
25- e -20 9:15 DW A02533 E 0.1
25- e -20 9:25 TP-4 A02533 E 0.2
25- e -20 9:30 DW A02533 E 0.1
25- e -20 9:40 TP-4 A02533 E 0.2
25- e -20 9:45 DW A02533 E 0.2
25- e -20 9:55 TP-4 A02533 E 0.2
25- e -20 10:00 DW A02533 E 0.1
25- e -20 10:15 TP-4 A02533 E 0.1
25- e -20 10:20 DW A02533 E 0.1
25- e -20 10:30 TP-4 A02533 E 0.1 to e cavation at TP -4 and egin ac filling 25- e -20 10:55 TP-4 A02533 E 0.1
25- e -20 11:00 DW A02533 E 0.1
25- e -20 11:05 TP-4 A02533 E 0.1
25- e -20 11:15 DW A02533 E 0.1
25- e -20 12:50 TP-4 A02533 E 0.1
25- e -20 12:55 DW A02533 E 0.1 inished ac filling TP-4 2 of 4
Date Time1 Location2 Eu i p m e n t
D3
Eu i p m e n t
perator
eading
ppm 4 Comments
Edison Park Waste Delineation Project
Edison Park
21379 Magnolia Street, Huntington Beach, CA 92647
Daily Total rganic Compounds T C Monitoring Log
25- e -20 13:05 TP-5 A02533 E 0.1 tart e cavation at TP-5 25- e -20 13:10 DW A02533 E 0.1
25- e -20 13:20 TP-5 A02533 E 0.2
25- e -20 13:30 DW A02533 E 0.1
25- e -20 13:35 TP-5 A02533 E 0.2
25- e -20 13:50 DW A02533 E 0.1
25- e -20 13:55 TP-5 A02533 E 0.2
25- e -20 14:05 DW A02533 E 0.1
25- e -20 14:10 TP-5 A02533 E 0.2 egin ac filling at TP-5 25- e -20 14:25 DW A02533 E 0.1
25- e -20 14:40 TP-5 A02533 E 0.1
25- e -20 15:15 TP-5 A02533 E 0.1 E cavate small trench 25- e -20 15:25 DW A02533 E 0.1
25- e -20 15:30 TP-5 A02533 E 0.1 ac fill done
28- e -20 7:45 DW A02533 E 0.1
28- e -20 7:55 H A5 A02533 E 0.1
28- e -20 8:00 DW A02533 E 0.2
28- e -20 8:10 H A5 A02533 E 0.2
28- e -20 8:15 DW A02533 E 0.2
28- e -20 8:25 H A5 A02533 E 0.4
28- e -20 8:30 DW A02533 E 0.2
28- e -20 8:40 H A5 A02533 E 0.4
28- e -20 8:50 DW A02533 E 0.2
28- e -20 8:55 H A5 A02533 E 0.3
28- e -20 9:05 DW A02533 E 0.2
28- e -20 9:15 H A5 A02533 E 0.3
28- e -20 9:20 DW A02533 E 0.1 to oring H A5
28- e -20 9:30 H A5 A02533 E 0.3 tart oring H A4
28- e -20 9:35 DW A02533 E 0.1
28- e -20 10:55 H A4 A02533 E 0.1
28- e -20 11:00 DW A02533 E 0.2
28- e -20 11:10 H A4 A02533 E 0.2
28- e -20 11:15 DW A02533 E 0.2
28- e -20 11:20 H A4 A02533 E 0.3
28- e -20 11:35 DW A02533 E 0.2
28- e -20 11:45 H A4 A02533 E 0.3
3 of 4
Date Time1 Location2 Eu i p m e n t
D3
Eu i p m e n t
perator
eading
ppm 4 Comments
Edison Park Waste Delineation Project
Edison Park
21379 Magnolia Street, Huntington Beach, CA 92647
Daily Total rganic Compounds T C Monitoring Log
28- e -20 11:50 DW A02533 E 0.5
28- e -20 12:00 H A4 A02533 E 0.3
28- e -20 12:05 DW A02533 E 0.2
28- e -20 12:15 H A4 A02533 E 0.3
28- e -20 12:20 DW A02533 E 0.2
28- e -20 12:30 H A4 A02533 E 0.3
28- e -20 12:35 DW A02533 E 0.2
28- e -20 12:45 H A4 A02533 E 0.3
28- e -20 12:50 DW A02533 E 0.2
28- e -20 13:00 H A4 A02533 E 0.3
28- e -20 14:20 H A3 A02533 E 0.1
28- e -20 14:25 DW A02533 E 0.1
28- e -20 14:35 H A3 A02533 E 0.3
28- e -20 14:40 DW A02533 E 0.1
28- e -20 14:50 H A3 A02533 E 0.3
28- e -20 14:55 DW A02533 E 0.1
28- e -20 14:58 egin ac filling at H A3
28- e -20 15:20 egin oring at H A2
28- e -20 15:25 H A2 A02533 E 0.3
28- e -20 15:35 DW A02533 E 0.1
28- e -20 15:40 H A2 A02533 E 0.3
28- e -20 15:45 to oring at H A2 and ac fill
28- e -20 16:30 egin oring at H A1
28- e -20 16:35 H A1 A02533 E 0.4
28- e -20 16:45 DW A02533 E 0.1 to oring at H A1
Notes:
1 - Pacific Daylight Time (PDT)
2 - E cavation ace or Perimeter (downwind)
3 - P D Monitor Rae
4 - 15 seconds sustained readings recorded every 15 minutes 4 of 4