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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 Page 1 PFAS Potential Impact to OCSD Page 2 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 Page 3 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%) Page 6 Questions? Page 7