For City Council Meeting September 10, 2024
TO: Honorable Mayor and City Council
FROM: G. Michael Milhiser, Interim City Manager
AUTHOR: Brian Park, Fire Chief
Title
Request City Council to 1) Authorize a Contract Change Order in the Amount of $339,635 to GEI Consultants Inc. (GEI) Pursuant to their On-Call Agreement for Environmental Services for Fire Station 203 PFAS Investigation and Reporting, City Project No. 25023; 2) Authorize Enrollment in a Voluntary Oversight Program with the Regional Water Quality Control Board (RWQCB) and 3) Authorize the City Manager or Their Designee to Execute All Related Documents.
(ACTION)
Body
RECOMMENDATION:
Staff requests that the City Council:
1) Authorize a Contract Change Order Request in the amount of $339,635 to GEI Consultants Inc. pursuant to their On-Call Agreement for Environmental Services for Fire Station 203 PFAS Investigation and Reporting, City Project No. 25023.
2) Authorize the City Manager or Their Designee to execute all related documents.
BACKGROUND:
On February 8, 2022, a Phase II Environmental Site Assessment was conducted by Leighton and Associates, Inc. on behalf of Lewis-Hillwood Rialto Company, LLC. for the Renaissance Development Area, the area that was formerly the Rialto Municipal Airport. The phase II assessment included the analysis of per- and polyfluoroalkyl substances (PFAS) compounds within the vicinity of Fire Station 203's training area. The PFAS data was screened against the United States Environmental Protection Agency (USEPA) Regional Screening Levels (RSL) for industrial soil, protection of groundwater, and residential soil.
Given the low screening levels, detected concentrations, and highest concentrations observed in the vicinity of the fire training area, it is recommended to conduct additional soil investigations to characterize the lateral and vertical extent of the highest concentrations of PFAS compounds at the site and to analyze for Perfluorooctanoic Acid (PFOA)...
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