HomeMy WebLinkAboutItem 6 PPP 11-10-2020 Administration - PFAS Investigative OrderPFAS
Investigative Order
Presented by Lan Wiborg
Director of Environmental Services
Administration Committee
November 10, 2020
PFAS
(per-and poly-fluoroalkyl substances)
•Class of over 9,000 man-made chemicals
•Extremely stable and persistent
•Upside: Stable, versatile, water/oil resistant
•Downside: Persistent in environment and body
Image Source: St. Mary’s County Health Department
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PFAS
Potential Impact to OCSD
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State Board PFAS Investigative Order
•One-year duration
•Sample and analyze influents, combined effluent, and biosolids
•Quarterly frequency
•Analysis by accredited lab
•6 in U.S. (4 in CA)
•2 in Canada
•OC San developing internal analytical capacity
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RFP Scope of Work
Contractor shall:
•Sample, analyze, and report
•Train staff on sampling protocol
•Sample additional locations to
characterize PFAS sources
Page 4Image Source: LimnoTech
Selection Process
•Eight proposals received
•Interviewed top three proposers
•CDM Smith selected
•Experience of project team
•Knowledge of PFAS Investigative Order
•Familiarity with OC San facilities
•Risk analysis and mitigation
Page 5 Image Source: US EPA
Recommendation
•Approve a Professional Services Agreement to CDM Smith Inc. to
provide PFAS Sampling and Analysis Services for a total not to
exceed $369,006; and
•Approve a contingency of $55,351 (15%)
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Questions?
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