Consulting
Engineers and
Scientists
GEI Consultants, Inc.
5901 Priestly Drive, Suite 301, Carlsbad, CA 92008
760.795.1960 Fax 916.631.4501
www.geiconsultants.com
August 14, 2024
Submitted via email:
Mr. Art Cervantes, PMP
Engineering Manager
Engineering Services Department
City of Rialto
150 S. Palm Avenue
Rialto, CA 92376
Subject: Task Order for PFAS Remedial Investigation and Remediation Alternative Feasibility Study and Recommendation for Fire Station 203 Dear Mr. Cervantes:
GEI Consultants, Inc. (GEI) has prepared this task order for a remedial investigation of PFAS in soil resulting from the use of aqueous film forming foam (AFFF) at the fire training area behind (west of) Fire Station 203, 1550 N. Ayala Drive, Rialto, CA 92376. In addition to engaging the Santa Ana Regional Water Quality Control board for regulatory oversight of the investigation, GEI will prepare a feasibility study of remedial alternatives for mitigation of PFAS-affected soil and recommend a preferred alternative.
We appreciate the opportunity to assist the City of Rialto with your upcoming project. We find the goals of the overall project very compelling and would be excited to play a role in investigating and preparing a mitigation plan for the fire training area. Please contact Rick Ahlers at 760.795.1971 or [email protected] if you have questions about our proposal.
Sincerely,
GEI Consultants, Inc.
C. Fredrik (Rick) Ahlers, P.E. Carissa Mason, P.E .
Principal Engineer Senior Engineer
Attached:
• Task Order No. 1
https://geiconsultant.sharepoint.com/sites/OG-DENFTW/Shared Documents/General/8_Rialto PFAS/PFAS RIFS Task Order August 2024/PFAS RIFS Task Order 081424.docx
Lisa Reyenga, P .E.
Ms. Reyenga is an
environmental engineer
specializing in environmental
liability management. Her
primary technical expertise
is risk-based, contaminated
soil and groundwater
investigation and remediation.
Her practice also includes
integrating cutting edge
technical expertise, strategic
planning, and regulatory
negotiation to develop better
project strategies, technology
selections, and optimal remedy
designs.
PFAS - YOUR PROFESSIONAL RESOURCES
Jeff rey Holden, P .E.
GEI’s PFAS Team Leader
Mr. Holden is an environmental
engineer with extensive
experience in the investigation
and remediation of PFAS
contamination. He has
been responsible for PFAS
investigations in multiple states,
is a member of the ITRC PFAS
working group, has delivered
numerous PFAS-related
presentations to businesses and
conferences, and designed and
implemented a pilot study to
evaluate the first application of
PlumeStop® to mitigate PFAS in
groundwater.
J. Michael Hawthorne, PG
Mr. Hawthorne specializes in
the development of strategic
plans for management of
environmental liabilities as
well as the creation of forensic
conceptual site models to
better understand source, fate,
and transport of PFAS and
other contaminants as well as
associated potential liabilities.
He is a member of the PFAS
Coalition and supports GEI’s
PFAS clients in enforcement
and litigation support work as
well as routine projects.
Rick Ahlers, P .E.
Mr. Ahlers is a Professional
Engineer specializing in
management of environmental
liabilities on behalf of clients
in multiple industries. In
particular, Mr. Ahlers has a
broad expertise in risk-based
remediation and a multitude
of remediation technologies.
He is a member of GEI’s PFAS
team and is a senior leader on
multiple GEI PFAS projects in
California and across North
America.
50+
Team
Members
Projects in
13+
States and
Provinces
PFAS Staff at
22 Offices
across
14 States
Kathi Stetser, LSRP
Kathleen Stetser is a senior
scientist and a senior member
of the PFAS team who leads
much of GEI’s environmental
liability management work
in the Eastern U.S. She has
a particular expertise with
complex technical and
regulatory projects requiring
a high degree of scientific
and regulatory knowledge
and experience, and is highly
experienced in enforcement
and litigation support projects.
Bill Silverstein, P .E., LSRP
Bill is a chemical engineer with
35 years of experience in a
broad array of site investigation
and remediation technologies
as well as litigation and
insurance support on a variety
of matters. Bill has been
involved in development of
site-specific remedial goals for
PFAS compounds in surface
water and soil to advance
redevelopment projects. He
has presented on PFAS to
development and insurance
stakeholders.
GEI’s National PFAS Team regularly meets to
track regulatory and technical developments,
and to develop and share operating procedures
and best practices, ensuring consistent and
high-quality service to our clients nationwide.
GEI is a consulting engineering firm that delivers value-laden professional services that improve our world’s built and natural environments. Founded in 1970, the firm was built on the foundation of geotechnical engineering and has evolved into a multidisciplinary science and engineering firm serving the water, energy, buildings, infrastructure, and industrial markets. GEI has over 1,500 staff , 50+ years of technical experience, and has completed over 50,000 projects globally.
GEI Consultants, Inc.
www.geiconsultants.com
GEI experts developed a forensic
conceptual site model including
detailed multivariate statistical
analyses, partitioning evaluations,
and other forensic techniques to
determine the potential source
areas and migration pathways of
PFAS including potential off site
sources. The site is a relatively
small Oil & Gas facility surrounded
by extensive industrial land use
with known PFAS contamination.
GEI conducted a PFAS site
investigation of soil, groundwater
and stormwater to support the
CSM.
GEI has been involved with the
investigation and delineation of
PFAS in groundwater at a major
Superfund site. This included
developing and implementing a
pilot study utilizing an injectable
carbon-based product into a
series of trenches to mitigate the
potential downgradient migration
of PFAS in groundwater. This
application was the fi rst use of
this product to address PFAS in
the United States. Its successful
application saved the PRP group
well over $1M.
On behalf of several clients,
GEI has designed and/or
implemented groundwater
investigations at over 50 New
York sites, in accordance NYSDEC
requirements, aimed at assessing
and delineating the presence of
emerging contaminants, including
PFAS and 1,4-dioxane.
On behalf of a Michigan client, GEI
supported the investigation of
industrial chemicals and processes
throughout the client’s facility to
identify PFAS sources, eliminate
or replace them, and signifi cantly
reduce PFAS concentrations in
wastewater discharges.
In New Hampshire, a utility
client is installing 13-miles of
new overhead, underground,
and underwater electric
transmission cable. GEI designed
and implemented subsurface
investigation to assess the
potential of encountering
perfl uorinated compounds
(PFAS) in soil, groundwater, and
surface water. GEI provided expert
testimony on the potential impact
of any contaminants in sediment
disturbed during construction.
The evaluation concluded that
no unacceptable conditions were
likely and GEI experts further
supported the eff ort by providing
expert testimony in hearings,
responding to community
concerns about issues including
PFAS, nutrients, and bacteria. GEI’s
eff orts and collaboration with
the team resulted in the client
successfully moving forward with
construction.
GEI provided strategic advisory
services and multifacility surveys
to determine the client’s potential
exposure to PFAS liability at
multiple pipeline facilities
internationally.
GEI provided PFAS investigation
planning, sampling, and reporting
services to a major oil company
in response to the California State
Water Resources Control Board
orders for PFAS investigations at
multiple refi ning facilities.
On behalf of a major oil company,
GEI developed and implemented
a sampling plan to investigate
the presence of PFAS at a facility
in Colorado. This project involved
identifying and implementing
site-specifi c sampling procedures
to prevent cross contamination
of samples on an active oil and
gas facility. GEI is also assisting
the client in advocacy with the
regulatory agency in limiting
the scope of the sampling and
evaluating the potential for a
commingled plume.
GEI provided technical support for
a major Oil & Gas client to estimate
potential PFAS remediation
liability. GEI’s remediation and
allocation experts prepared a
comprehensive generalized model
of potential liabilities for multiple
environmental media across a
diverse portfolio of sites.
Partial PFAS Project Summary
PROJECT NAME PROJECT
LOCATION CLIENT NATURE OF PFAS SERVICES
SRSNE Superfund Site Connecticut PRP Group
Sampling site GW, local POTW, and river to provide data to support CT DEEP approval for groundwater discharge to sanitary sewer. Design/implement pilot study to assess liquid activated carbon to mitigate PFAS migration in groundwater.
Eversource Seacoast Reliability Project New Hampshir e Eversource Energy Sampling soil, groundwater, surface water, and sediment in the downgradient PFAS plume of Pease Air Force Base to support installation of a new electric transmission line.
PFAS Peer Review New York Law Firm
Peer review of another consultant’s calculations of proposed allowable PFOA and PFOS allowable levels for land-disposed paper sludge residuals.
Former Cookson Site New Hampshire Platform Investigation of presence and extent of PFAS in groundwater.
Brown County Landfill Minnesota Brown County, MN
Demonstration Research Project to look at pretreatment for the cleaning of leachate and PFAS concentrations reductions due to wetland or compost filtering of the leachate.
National Grid NY Sites New York National Grid
Prepared a work plan to sample for PFAS at multiple sites. The work plan included a FSP, QAPP, and procedure for selecting representative monitoring wells at each site. GEI selected monitoring wells to be sampled at 28 of the sites and implementing the sampling, evaluation, and reporting activities at these sites.
ConEd/O&R New York Sites New York ConEd/Orange &
Rockland Utilities
Prepared a work plan to sample for PFAS at multiple sites. The work plan included a FSP, QAPP, and procedure for selecting representative monitoring wells at each site.
Groundwater Sampling for ECs New York National Fuel Ga s Prepare and implement work plan for investigating PFAS and 1,4-Dioxane in groundwater at three facilities, and report to NYSDEC.
NYSEG Sites EC Sampling New York
New York State
Electric and Gas
(NYSEG)
Prepared site-specific work plans for PFAS sampling at two sites. Collected groundwater samples for analysis, validated laboratory results, and prepared reports of findings.
Former Landfill EC Sampling New York Nixon Peabody
Prepare and implement work plan for investigating PFAS and 1,4-Dioxane in groundwater, and report to NYSDEC.
Rosen Superfund Site EC Sampling New York Nixon Peabod y Prepare and implement work plan for investigating PFAS and 1,4-Dioxane in groundwater at three , and report to NYSDEC.
Environmental Support related to Air-
craft Hangar Maintenance Michigan Burns & McDonnell PFAS characterization in soils at Michigan National Guard base.
NuStar Denver Terminal Colorado Valero
Work plan and groundwater sampling for PFAS analyses, including QA/QC samples. The site is an active bulk fueling terminal surrounded by a refinery and bulk fuel storage facilities.
MacDermid Facility Michigan
MacDermid
Performance
Solutions
Soil and groundwater sampling for PFAS in former waste disposal lagoons. Also conducted sampling of wastewater and raw product samples to identify, isolate and remove sources of PFOS and PFOA from the facility. Finally, sampled the effectiveness of granular activated carbon and ion exchange resin beds to determine a method for removal of PFAS compounds from the wastewater discharge to meet regulatory requirements.
Fill Area Redevelopment Wisconsin and
Michigan Confidential
Sampled soil and groundwater to determine the extent of impacts in planned construction areas. Analyses included Michigan
24-compound PFAS list. Once delineated, remedial options were identified.
Groundwater was containerized in frac-tanks for onsite treatment using bag filters and GAC. Collected treated groundwater samples for PFAS analyses. Submitted a successful WDNR Development at Historic Fill Site or Licensed Landfill Exemption Application.
geiconsultants.com
Partial PFAS Project Summary (continued)
PROJECT NAME PROJECT
LOCATION CLIENT NATURE OF PFAS SERVICES
Barnstable PFOS Massachusetts Town of Barnstable,
MA
Expert services to the Town of Barnstable regarding PFOS contamination of the Hyannis Water System operated by the Town.
PFAS Leaching Model for Biosolids Michigan Confidential Develop model to estimate PFAS partitioning between P&P residuals and groundwater.
O'Hare Soil Sampling Illinois American Airlines Characterize PFAS presence in soils to assess management/disposal options.
Bourne Switching Station Massachusetts Eversource Ene rgy Characterize PFAS presence in soils for potential reuse on same property (JBCC).
Paper Sludge Residual Partition Model Michigan Confide ntial Model to estimate PFAS partitioning between P&P residuals and groundwater.
PFAS Investigation New Jersey ITRAN Rubber
Assess and delineate extent of PFAS associated with ongoing LSRP support at a rubber molding facility.
Airport PFAS Investigation and
Management Confidential Confidential Law
Firm
Investigate PFAS in soil and groundwater; source area forensics; management of impacted media; develop Conceptual Site Model of PFAS sources and migration pathways.
Management of PFAS-Impacted Soil at
Airport Massachusetts
Epsilon Associates
& Airport Solutions
Group
LSP services to support redevelopment and expansion of existing access road and infrastructure through a PFAS-impacted area at Barnstable Municipal Airport.
Silresim Superfund Site Massachusetts Mass DEP
Groundwater sampling from monitoring and extraction wells for PFAS analyses.
Prepared a field sampling plan and QAPP for State approval prior to initiating field activities. The site contains an active groundwater treatment plant for VOC remediation.
PFAS Strategy U.S. and Canada Confidential
Data collection, risk screening, and site prioritization for development of management strategy for North American asset portfolio.
Fire Response Water Treatment Michigan Confidential
Design, construct, operate treatment system to address ~540,000 gal of PFAS- impacted stormwater and firefighting water from fire at commercial building where PFAS-containing chemicals were stored.
Green Bay Sludge Testing Wisconsin Green Bay Water
Utility
Green Bay Water Utility purifies water from Lake Michigan by adding a chemical flocculant. The resultant solids (sludge) settle in a lagoon. The sludge is periodically dredged and land-applied on local farm fields. To promote transparency with landowners, GBWU analyzes this sludge for PFAS. GEI was retained to compose a document that explains the PFAS results to landowners.
Oil & Gas Facilities Site Investigation California Val ero In response to California State Water Board Order No. WQ 2021-006-DWQ, reviewed use of AFFF and multiple facilities and prepared facility-specific work plans for investigation of PFAS in soil, groundwater, stormwater and wastewater.
Performed investigation at each facility per Water Board approved work plans.
Prepared reports presenting results of each investigation and submitted final reports to the Water Board.
City of Wausau Brownfield Site
Investigation Wisconsin City of Wausau
Investigation of soil and groundwater for apparent background/diffuse PFAS.
Other contaminants (PAHs, metals) expected to drive remedy during future site redevelopment, but burden of proof on City to demonstrate that PFAS is background.
geiconsultants.com
Partial PFAS Project Summary (continued)
PROJECT NAME PROJECT
LOCATION CLIENT NATURE OF PFAS SERVICES
Town of Norwood PFAS Investigation North Carolina Chambers Engineering
Develop and implement a work plan to investigate the presence and range of PFAS concentrations in raw water and at various locations throughout the municipal water treatment system; provide data to comply with new Federal MCL initial testing requirement; develop an engineering report to evaluate remedial options, if necessary.
Confidential Massachusetts Confidential
MA MCP Phase II investigation including GW and soil sampling to identify PFAS source areas and delineate extent of PFAS impacts both at the property and at neighboring properties. Evaluate PFAS source removal options including but not limited to soil excavation and disposal.
Portfolio Cleanup Feasibility Study and
Cost Estimate United States Confidential
Identified best available approaches and estimated costs for cleanup and mitigation of PFAS-containing AFFF at a nationwide portfolio of large-scale sites. geiconsultants.com
Task Order for PFAS Investigation and Remediation Alternative Recommendation for Fire Station 203 GEI Consultants, Inc. 1 City of Rialto
TASK ORDER NO. 1
CITY OF RIALTO
AND
GEI CONSULTANTS, INC.
1. PURPOSE
The purpose of this Task Order is to authorize and direct GEI Consultants, Inc. (“Consultant”) to perform the Scope of Work specified in Section 2 below, in accordance with the provisions of the On-Call Services Agreement between the City of Rialto (“City”) Consultant dated November 15, 2022 (“Agreement”). This Task Order shall be incorporated into Exhibit A of the Agreement.
2. SCOPE OF WORK
The services authorized by this Task Order are presented in Attachment “A” – Scope of Services, which is attached hereto and incorporated by this reference.
3. COMPENSATION AND PAYMENT
Compensation shall be paid as provided in the Agreement. The total compensation for Scope of Services as set forth in Section 2 shall be as set forth in Attachment “B” – Compensation, which is attached hereto and incorporated by this reference. Total compensation for all services provided under this Task Order shall not exceed $339,635 .
4. TIME OF PERFORMANCE
The services described in Section 2 of this Task Order shall be completed in accordance with the schedule set forth in Attachment “C” – Schedule of Completion, which is attached hereto and incorporated by this reference.
5. ITEMS AND CONDITIONS
All terms and conditions contained in the Agreement are incorporated by reference and remain in full force and effect.
Approved this ________ day of ____________________ 202__. [SIGNATURES ON NEXT PAGE]
Task Order for PFAS Investigation and Remediation Alternative Recommendation for Fire Station 203 GEI Consultants, Inc. 2 City of Rialto
CITY OF RIALTO
By:___________________________________________________________________ Date:__________________________ _________ Marcus Fuller
City Manager
GEI CONSULTANTS, INC.
By:_ __________________________________________________________________ Date:____August 14, 2024___________ _ C. Fredrik Ahlers
Principal Engineer
By: ___________________________________________________________________ Date:____August 14, 2024__________ __ Carissa Mason
Senior Engineer
ATTEST
By:___________________________________________________________________ Barbara A McGee
City Clerk
APPROVED AS TO FORM
By:___________________________________________________________________ Eric S. Vail
City Attorney
Task Order for PFAS Investigation and Remediation Alternative Recommendation for Fire Station 203 GEI Consultants, Inc. A-1 City of Rialto
ATTACHMENT A – SCOPE OF SERVICES
The scope of services included in this task order is for GEI Consultants, Inc. (GEI) to investigate the potential presence of PFAS in soil that may have resulted from use of PFAS-containing aqueous film forming foam (AFFF) used at the fire training facility behind (west of) the City of Rialto (City) Fire Station 203 at 1550 N. Ayala Drive in Rialto, California (the Site). GEI will also evaluate the feasibility of remedial alternatives appropriate to the levels of PFAS observed and goals for cleanup and recommend a preferred alternative.
TASK 1 – WORK PLAN
GEI will prepare a work plan to identify the desired investigation sampling locations and depths. GEI has reviewed and evaluated preliminary data gathered by a third party 1, which provided initial characterization of the PFAS and concentrations present. Development of the work plan will require knowledge of current and historical AFFF use and storage practices at the Site, including:
■ Types of AFFF used and stored at the Site
■ Quantities of AFFF used and stored at the Site
■ Storage locations
■ Potential accidental discharges of AFFF
■ Locations where AFFF was used during fire training
■ Schedule or frequency of fire training during which AFFF was used GEI will interview City of Rialto Fire Department personnel with knowledge of these details and review documentation provided by the Fire Department. GEI will develop a work plan for a soil investigation based on the information provided. GEI will submit a draft for City review and, as necessary, will revise the work plan to address any City comments.
The City has indicated that a regulatory agency should be engaged to provide oversight and approval of site characterization activities and eventual remediation of PFAS-affected soil. The Santa Ana Regional Water Quality Control Board (Water Board) is the local authority currently engaged in overseeing the investigation of PFAS. In parallel with work plan development, GEI, in close consultation with the City, will submit a request to the Water Board to open a voluntary oversight case. After enrolling in voluntary oversight, GEI will submit the investigation work plan to the Water Board for their review and, as necessary, will respond to the Water Board and/or revise the work plan to address any comments.
TASK 2 – INVESTIGATION
Prior to investigation, GEI will develop a site- and task-specific health and safety plan (HASP) and will clear the investigation area for utilities and other underground obstructions. Underground utility clearance will include Dig-Alert notification, a review of facility and municipal utility records/drawings and oversight of a utility locate survey performed by a subcontractor. No San Bernardino County permit is necessary for the proposed soil borings, which are proposed to be less than 20 feet deep.
1 GEI Consultants, Inc (GEI 2024). Review of PFAS Soil Sampling Results from Fire Station 203. July 10.
Task Order for PFAS Investigation and Remediation Alternative Recommendation for Fire Station 203 GEI Consultants, Inc. A-2 City of Rialto
Investigation is proposed to occur in two phases and include:
■ up to 72 soil samples from the upper one foot of soil in the first phase of investigation followed by
■ up to 96 samples at up to 24 locations to a maximum depth of less than 20 feet in the second phase of investigation.
Based on current and historical use and storage, GEI proposes to conduct the investigation as follows:
■ A first phase of investigation will be conducted in surface soil only (upper one foot) to characterize the lateral extent of PFAS-affected soil.
■ GEI will review the results of the first phase of surface soil characterization to determine locations where subsurface soil samples will be collected between one and 20 feet below ground surface (bgs) for characterization of the vertical extent of PFAS-affected soil.
Soil sample collection will be conducted in a manner that minimizes the potential for cross-contamination from PFAS containing materials not associated with the Site. The PFAS Sampling Guidelines for Non- Drinking Water published by the California State Water Quality Control Board in September 2020 provides guidance for sample collection procedures that will, as appropriate, be applied. Soil samples may be analyzed by United States Environmental Protection Agency (USEPA) Method 1633, which is the current preferred method for laboratory analysis of PFAS in soil.
Investigation derived waste (IDW) including soil cuttings and water used to decontaminate equipment between sampling locations will be disposed of in compliance with applicable state and federal regulations. Currently, PFAS are not designated as hazardous substances, and disposal costs assume IDW will be classified as non-hazardous.
GEI proposes that soil cores from some of the subsurface soil borings be retained on site to provide samples in the event that geotechnical characterization is relevant to evaluation of potential remedial alternatives.
All sampling locations will be surveyed by a California-licensed surveyor.
TASK 3 – REPORTING
Following completion of each field mobilization and receipt of laboratory data reports, GEI will perform a Level 2 data validation to assess the quality of the data. The data will be incorporated into a comprehensive database for the site and visualized after each mobilization to support the planning for subsequent sampling locations and for inclusion in a final report. Iso-concentration maps of the total analyzed PFAS concentrations and selected individual PFAS will be prepared at multiple depth intervals, for example, 1-foot bgs, 2 to 10 feet bgs, and 10 to 20 feet bgs.
A report will be prepared documenting field activities and laboratory analysis and presenting characterization of the distribution of PFAS in soil at the Site. A draft report will be prepared for review by the City. Following resolution of comments on the draft report, a final report will be prepared for submittal to the Water Board.
TASK 4 – FEASIBILITY STUDY & REMEDIAL ACTION PLAN
To evaluate the feasibility of alternatives for remediation of PFAS-affected soil, GEI will first develop a conceptual site model (CSM). The CSM will include an evaluation of the potential exposure risks Task Order for PFAS Investigation and Remediation Alternative Recommendation for Fire Station 203 GEI Consultants, Inc. A-3 City of Rialto
associated with PFAS-affected soil and will be used to develop Site-specific proposed soil cleanup goals.
Based on these cleanup goals, GEI will then assess the feasibility of remedial alternatives for achieving the cleanup goals. GEI will use standard remedial alternative feasibility evaluation criteria established by for CERCLA (National Contingency Plan (40CFR300.430(e)(9))):
■ Threshold criteria of
1. overall protection of human health and the environment
2. compliance with applicable or relevant and appropriate requirements (ARARs) ■ Primary balancing criteria of
3. long-term effectiveness and permanence
4. reduction of toxicity, mobility, or volume through treatment
5. short-term effectiveness
6. implementability
7. cost
■ Modifying criterion 2 of
8. community acceptance
Initial screening of remedial alternatives will focus on the threshold criteria. Balancing criteria, including costs, will be evaluated for remedial alternatives that meet the threshold criteria screening step. For feasibility studies, an AACE Class 4 cost estimate is appropriate 3. This approach uses a project definition (design) of up to 15% and is expected to be accurate to within +50% to -30%. Modifying criteria are evaluated as necessary to discriminate between functionally equivalent alternatives. GEI understands that the Rialto Fire Department will want to pave the fire training area so that water and any other fluids used during fire training will be captured for treatment and/or disposal as appropriate. Remedial alternatives will consider both compatibility with this site use and how paving can enhance effectiveness of remedial alternatives.
One alternative will be recommended following the screening process, and a draft feasibility study and remedial action plan (FS/RAP) will be prepared for City review. Assuming City concurrence with the recommendation, GEI will prepare an AACE Class 3 cost estimate accurate to within +30% to -20% and appropriate for budget authorization at up to a 40% design level. Following satisfactory resolution of City comments, GEI will submit the FS/RAP to the Water Board. Alternatively, and in consultation with the City and the Water Board, this may be submitted as an interim remedial action plan, which may have advantages for streamlining the shorter-term regulatory approval process.
TASK 5 – WATER BOARD OVERSIGHT COST RECOVERY
The Water Board’s Site Cleanup Program (SCP) is set up so that reasonable expenses incurred by the Water Board in overseeing soil and water quality matters can be recovered from the responsible party.
Reasonable expenses will be billed to identified responsible parties. The intent of this process is to ensure that oversight costs are properly documented and collected. This program is designed to cover those
2 Note for federal projects there is also a state acceptance criterion, however because regulatory oversight on this project will be state lead, state acceptance is effectively the threshold criteria of compliance with ARARs. 3 AACE International. 2020. Recommended Practice No. 18R-97, Cost Estimate Classification System – As Applied in Engineering, Procurement, and Construction for the Process Industries. August 7.
Task Order for PFAS Investigation and Remediation Alternative Recommendation for Fire Station 203 GEI Consultants, Inc. A-4 City of Rialto
facilities in which responsible parties agree to pay oversight costs. As part of enrollment of the Site with the Water Board for voluntary oversight, the City will agree to cost recovery. The Water Board provides annual estimates of oversight costs for all active projects. GEI estimates that the Water Board will seek cost recovery of approximately $46,000 for oversight of the tasks described above. Cost recovery will be billed directly from the Water Board to the City. GEI can review the Water Board’s cost recovery invoices to confirm that the expenses being billed are reasonable.
Task Order for PFAS Investigation and Remediation Alternative Recommendation for Fire Station 203 GEI Consultants, Inc. B-1 City of Rialto
ATTACHMENT B – COMPENSATION
Cost estimate tables provided on following eight pages. Note that subcontractors have provided cost estimates assuming prevailing wages apply. Prevailing wages are assumed not to apply to tasks performed by GEI staff.
TASK Description SUBTOTAL
1 Task 1 - Work Plan 20,527$
2.1 Task 2.1 - Investigation (Direct Labor) 53,025$
2.2 Task 2.2 - Investigation (Driller & Other Direct Costs) 70,476$
2.3 Task 2.3 - Investigation (Analytical) 97,655$
3 Task 3 - Reporting 33,544$
4 Task 4 - Remedial Alternative Feasibility Study and Action Plan 64,408$ 339,635$
5 Task 5 - RWQCB Oversight Cost Recovery 46,000$
46,000$
385,635$
Non-GEI Charges
Non-GEI TOTAL
OVERALL PROJECT TOTAL
GEI PROJECT TOTAL
COST ESTIMATE
Fire Station 203 PFAS Investigation
1550 N. Ayala Dr.
Rialto, CA
Initial Authorization
PFAS_RIFS_Costs_0814248/14/2024 Page 1 of 8 GEI Consultants, Inc.
Hourly Cost
Rate ($)
R. Ahlers 295 $ 7,080 $
S. Hawkins 262 $ - $
C. Mason 220 $ 5,280 $
177 $ - $
M. Corrado 154 $ 3,696 $
A. Caffey, J. Riedel, E. Gomez, C. Lopez-Flores127 $ 3,048 $ B. Emery 113 $ - $
97 $ - $
C. Russell 156 $ 1,248 $
C. Gonzalez 127 $ - $
114 $ - $
S. Klingensmith 90 $ - $
89 $ - $
20,352$
Units Cost
($)
1 175 $
-$
175$
0 - $
-$
-$
175$
20,527$
Direct Labor Costs
Project Labor Name Estimated
Assignment Classification
COST ESTIMATE
Task 1 - Work Plan
Work Plan Development Project Professional – Grade 3 24 Hours
Project Oversight / Sr Review / Senior Consultant – Grade 8 24 Senior Professional – Grade 7
Work Plan Development Project Professional – Grade 4 24 Senior Professional – Grade 5
Senior Engineering Senior Professional – Grade 6 24
TOTAL DIRECT LABOR 104
Other Direct Costs
Cost Type Purpose of Cost Comments Cost Per
Staff Professional – Grade 2
Office Aide
Staff Professional – Grade 1
Technician, Word Processor, Administrative Staff
Drafter / Designer and Senior Technician
Field Professional
Unit
Travel
Truck Site Visit / FC Interview per day 175 $
No Markup
Subtotal
Equipment, Materials, Supplies, Subs
-$
TOTAL OTHER DIRECT
TOTAL ALL DIRECT COSTS
Work Plan Development Senior Drafter and Designer 8
Markup (15%)
Subtotal
PFAS_RIFS_Costs_0814248/14/2024 Page 2 of 8 GEI Consultants, Inc.
Hourly Cost
Rate ($)
R. Ahlers 307 $ 4,912 $
S. Hawkins 272 $ 544 $
Project Management C. Mason 229 $ 10,305 $
184 $ - $
M. Corrado 160 $ 8,640 $
A. Caffey, J. Riedel, E. Gomez, C. Lopez-Flores132 $ 19,536 $ B. Emery 118 $ - $
101 $ - $
C. Russell 162 $ - $
C. Gonzalez 132 $ 8,712 $
119 $ - $
S. Klingensmith 94 $ 376 $
93 $ - $
53,025$
Units Cost
($)
-$
-$
-$
-$
-$
-$
-$
-$
-$
-$
-$
-$
-$
-$
53,025$
TOTAL OTHER DIRECT
TOTAL ALL DIRECT COSTS
Markup (15%)
Subtotal
Miscelaneous Field Supplies (per unit) 1,000 $
GPRS Utility Clearance (per day) 2,400 $
Non-Hazardous Waste Waste Decon Water and Drilling Spoils Disposal (per unit) 12,774 $ Enthalpy Analytical Laboratory PFAS Free Water for Equipment Blank (per liter) 25 $ Enthalpy Analytical Laboratory Draft EPA Method 1633 - 40 Analytes (per sample) 471 $ Surveyor Survey 96 locations (daily rate) 3,000 $
No Markup
Subtotal
Equipment, Materials, Supplies, Subs
ABC Liovin Drilling Driller Soil Sampling 72 surface & 96 subsurface soil samples 23,435 $ Truck Vehicle Per Day 175 $
Hotel Commute Alternative Per Day 250 $
Unit
Travel
TOTAL DIRECT LABOR 335
Other Direct Costs
Cost Type Purpose of Cost Comments Cost Per
HASP Technician, Word Processor, Administrative Staff 4 Office Aide
Field Implementation Drafter / Designer and Senior Technician 66 Field Professional
Staff Professional – Grade 1
Senior Drafter and Designer
Project Support, Data Management, Field Implementation Project Professional – Grade 3 148 Field Implementation Staff Professional – Grade 2
Senior Professional – Grade 6 45
Senior Professional – Grade 5
Project Professional – Grade 4 54
Senior Engineering / QAQC / Sr. HASP reviewer Senior Professional – Grade 7 2
COST ESTIMATE
Task 2.1 - Investigation (Direct Labor)
Direct Labor Costs
Project Labor Name Estimated
Assignment Classification Hours
Project Oversight / Senior Review Senior Consultant – Grade 8 16 PFAS_RIFS_Costs_0814248/14/2024 Page 3 of 8 GEI Consultants, Inc.
Hourly Cost
Rate ($)
R. Ahlers 307 $ - $
S. Hawkins 272 $ - $
Project Management C. Mason 229 $ - $
184 $ - $
M. Corrado 160 $ - $
A. Caffey, J. Riedel, E. Gomez, C. Lopez-Flores132 $ - $ B. Emery 118 $ - $
101 $ - $
162 $ - $
C. Gonzalez 132 $ - $
119 $ - $
S. Klingensmith 94 $ - $
93 $ - $
-$
Units Cost
($)
24 4,200 $
6 1,500 $
-$
5,700$
1 23,435 $
-$
3 9,000 $
1 14,692 $
-$
2 2,000 $
3 7,200 $
8,449$
64,776$
70,476$
70,476$
TOTAL OTHER DIRECT
TOTAL ALL DIRECT COSTS
Markup (15%)
Subtotal
Miscelaneous Field Supplies (per unit) 1,000 $
GPRS Utility Clearance (per day) 2,400 $
Non-Hazardous Waste Waste Decon Water and Drilling Spoils Disposal (per unit) 14,692 $ Enthalpy Analytical Laboratory PFAS Free Water for Equipment Blank (per liter) 25 $ Enthalpy Analytical Laboratory Draft EPA Method 1633 - 40 Analytes (per sample) 471 $ Surveyor Survey 96 locations (daily rate) 3,000 $
No Markup
Subtotal
Equipment, Materials, Supplies, Subs
ABC Liovin Drilling Driller Soil Sampling 72 surface & 96 subsurface soil samples 23,435 $ Truck Vehicle Per Day 175 $
Hotel Commute Alternative Per Day 250 $
Unit
Travel
TOTAL DIRECT LABOR 0
Other Direct Costs
Cost Type Purpose of Cost Comments Cost Per
HASP Technician, Word Processor, Administrative Staff
Office Aide
Drafter / Designer and Senior Technician
Field Professional
Staff Professional – Grade 1
Senior Drafter and Designer
Project Support, Data Management, Field Implementation Project Professional – Grade 3 Field Implementation Staff Professional – Grade 2
Senior Professional – Grade 6
Senior Professional – Grade 5
Project Professional – Grade 4
Senior Engineering / QAQC / Sr. HASP reviewer Senior Professional – Grade 7
COST ESTIMATE
Task 2.2 - Investigation (Driller & Other Direct Costs) Direct Labor Costs
Project Labor Name Estimated
Assignment Classification Hours
Project Oversight / Senior Review Senior Consultant – Grade 8 PFAS_RIFS_Costs_0814248/14/2024 Page 4 of 8 GEI Consultants, Inc.
Hourly Cost
Rate ($)
R. Ahlers 307 $ - $
S. Hawkins 272 $ - $
Project Management C. Mason 229 $ - $
184 $ - $
M. Corrado 160 $ - $
A. Caffey, J. Riedel, E. Gomez, C. Lopez-Flores132 $ - $ B. Emery 118 $ - $
101 $ - $
162 $ - $
C. Gonzalez 132 $ - $
119 $ - $
S. Klingensmith 94 $ - $
93 $ - $
-$
Units Cost
($)
-$
-$
-$
-$
-$
179 84,667 $
-$
-$
10 250 $
-$
-$
12,738$
97,655$
97,655$
97,655$
TOTAL OTHER DIRECT
TOTAL ALL DIRECT COSTS
Markup (15%)
Subtotal
Miscelaneous Field Supplies (per unit) 1,000 $
GPRS Utility Clearance (per day) 2,400 $
Non-Hazardous Waste Waste Decon Water and Drilling Spoils Disposal (per unit) 12,774 $ Enthalpy Analytical Laboratory PFAS Free Water for Equipment Blank (per liter) 25 $ Enthalpy Analytical Laboratory Draft EPA Method 1633 - 40 Analytes (per sample) 473 $ Surveyor Survey 96 locations (daily rate) 3,000 $
No Markup
Subtotal
Equipment, Materials, Supplies, Subs
ABC Liovin Drilling Driller Soil Sampling 72 surface & 96 subsurface soil samples 23,435 $ Truck Vehicle Per Day 175 $
Hotel Commute Alternative Per Day 250 $
Unit
Travel
TOTAL DIRECT LABOR 0
Other Direct Costs
Cost Type Purpose of Cost Comments Cost Per
HASP Technician, Word Processor, Administrative Staff
Office Aide
Drafter / Designer and Senior Technician
Field Professional
Staff Professional – Grade 1
Senior Drafter and Designer
Project Support, Data Management, Field Implementation Project Professional – Grade 3 Field Implementation Staff Professional – Grade 2
Senior Professional – Grade 6
Senior Professional – Grade 5
Project Professional – Grade 4
Senior Engineering / QAQC / Sr. HASP reviewer Senior Professional – Grade 7
COST ESTIMATE
Task 2.3 - Investigation (Analytical)
Direct Labor Costs
Project Labor Name Estimated
Assignment Classification Hours
Project Oversight / Senior Review Senior Consultant – Grade 8 PFAS_RIFS_Costs_0814248/14/2024 Page 5 of 8 GEI Consultants, Inc.
Hourly Cost
Rate ($)
R. Ahlers 307 $ 4,912 $
S. Hawkins 272 $ - $
C. Mason 229 $ 5,496 $
184 $ - $
M. Corrado 160 $ 3,840 $
A. Caffey, J. Riedel, E. Gomez, C. Lopez-Flores132 $ 3,168 $ B. Emery 118 $ 9,440 $
101 $ - $
C. Russell 162 $ 5,184 $
C. Gonzalez 132 $ - $
119 $ - $
S. Klingensmith 94 $ 1,504 $
93 $ - $
33,544$
Units Cost
($)
0 - $
-$
-$
0 - $
-$
-$
-$
33,544$
Markup (15%)
Subtotal
TOTAL OTHER DIRECT
TOTAL ALL DIRECT COSTS
No Markup
Subtotal
Equipment, Materials, Supplies, Subs
-$
Unit
Travel
-$
TOTAL DIRECT LABOR 216
Other Direct Costs
Cost Type Purpose of Cost Comments Cost Per
Report Project Professional – Grade 3 24
Office Aide
Staff Professional – Grade 2
Staff Professional – Grade 1
Senior Drafter and Designer
Drafter / Designer and Senior Technician
Field Professional
Technician, Word Processor, Administrative Staff
80 32
Direct Labor Costs
Project Labor Name Estimated
Assignment Classification
Senior Professional – Grade 6 24
Hours
Project Oversight / Senior Review Senior Consultant – Grade 8 16 Senior Professional – Grade 7
COST ESTIMATE
Task 3 - Reporting
16 Project Support / Data Analysis / Report
Senior Engineering / Field Testing / QAQC
Senior Professional – Grade 5
Report Project Professional – Grade 4 24
PFAS_RIFS_Costs_0814248/14/2024 Page 6 of 8 GEI Consultants, Inc.
Hourly Cost
Rate ($)
R. Ahlers 307 $ 11,052 $
A. Cambell 272 $ 6,528 $
C. Mason 229 $ 13,740 $
184 $ - $
M. Corrado 160 $ 16,000 $
A. Caffey, J. Riedel, E. Gomez, C. Lopez-Flores132 $ 13,200 $ B. Emery 118 $ - $
101 $ - $
C. Russel 162 $ 3,888 $
C. Gonzalez 132 $ - $
119 $ - $
S. Klingensmith 94 $ - $
93 $ - $
64,408$
Units Cost
($)
0 - $
-$
-$
0 - $
-$
-$
-$
64,408$
TOTAL OTHER DIRECT
TOTAL ALL DIRECT COSTS
Markup (15%)
Subtotal
Equipment, Materials, Supplies, Subs
-$
No Markup
Subtotal
Travel
-$
Cost Type Purpose of Cost Comments Cost Per
Unit
Office Aide
TOTAL DIRECT LABOR 344
Other Direct Costs
Field Professional
Technician, Word Processor, Administrative Staff
Senior Drafter and Designer 24
Drafter / Designer and Senior Technician
Data Analysis / Risk Assessment / Report Staff Professional – Grade 2 Staff Professional – Grade 1
Project Professional – Grade 4 100
Project Engineering / Report Project Professional – Grade 3 100 Senior Professional – Grade 5
Hours
Project Oversight / Senior Review Senior Consultant – Grade 8 36 Risk Assessment Senior Professional – Grade 7 24
Direct Labor Costs
Project Labor Name Estimated
Assignment Classification
PM / Sr Engineering / Risk Assessment Senior Professional – Grade 6 60
COST ESTIMATE
Task 4 - Remedial Alternative Feasibility Study and Action Plan PFAS_RIFS_Costs_0814248/14/2024 Page 7 of 8 GEI Consultants, Inc.
Hourly Cost
Rate ($)
N/A 230 $ 46,000 $
46,000$
Units Cost
($)
0 - $
-$
-$
0 - $
-$
-$
-$
46,000$
TOTAL OTHER DIRECT
TOTAL ALL DIRECT COSTS
Markup (15%)
Subtotal
Equipment, Materials, Supplies, Subs
-$
No Markup
Subtotal
Travel
-$
Cost Type Purpose of Cost Comments Cost Per
Unit
TOTAL DIRECT LABOR 200
Other Direct Costs
Hours
RWQCB Staff RWQCB Average Rate 200
Direct Labor Costs
Project Labor Name Estimated
Assignment Classification
COST ESTIMATE
Task 5 - RWQCB Oversight Cost Recovery
PFAS_RIFS_Costs_0814248/14/2024 Page 8 of 8 GEI Consultants, Inc.
Task Order for PFAS Investigation and Remediation Alternative Recommendation for Fire Station 203 GEI Consultants, Inc. C-1 City of Rialto
ATTACHMENT C – SCHEDULE OF COMPLETION
Task Sub Task Start Date Duration
1 Voluntary Oversight Enrollment September 3, 2024 4 Weeks City Fire Department Staff Interview September 3, 2 024 2 Weeks Prepare Draft Work Plan September 3, 2024 6 Weeks
City Review of Draft Work Plan October 15, 2024 (be gins after Draft Work Plan Preparation)
2 Weeks
Work Plan Finalization October 29, 2024 1 Week
Work Plan Submittal to Water Board November 5, 2024 0 Weeks Water Board Approval November 5, 2024 6 Weeks
2 HASP November 5, 2024 (begins after
Final Work Plan Submittal)
2 Weeks
Utility Clearance December 16, 2024 (begins
after Water Board Approval)
3 Weeks
Surface Soil Investigation - Phase I January 6, 202 5 8 Weeks Subsurface Soil Investigation - Phase II March 3, 2 025 8 Weeks 3 Prepare Draft Investigation Report April 28, 2025 4 Weeks City Review of Draft Investigation Report May 26, 2 025 2 Weeks Investigation Report Finalization June 9, 2025 1 We ek
Investigation Report Submittal to Water Board June 16, 2025 0 Weeks Water Board Approval June 16, 2025 6 Weeks
4 Prepare Draft FS/(I)RAP July 28, 2025 8 Weeks
City Review of Draft FS/(I)RAP September 22, 2025 2 Weeks FS/(I)RAP Finalization October 6, 2025 1 Week
FS/(I)RAP Submittal to Water Board October 13, 2025 0 Weeks Water Board Approval October 13, 2025 8 – 24
Weeks