HomeMy WebLinkAboutItem 6 PPP 10-07-2020 Operations Committee - PFAS Update k.
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PFAS Update
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- = Lan Wiborg, Director of Environmental Services
: Operations Committee
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October 7, 2020
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General Manager 's Work Plan
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F �T °N Constituents of Emerging Concern
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"Continue OCSD's leadership role in developing
PFOA - perfluoroodanoic acid analytical capability, advocating for sound science and
regulations, and identification of significant sources in
constituents of emerging concerns, such as per- and
F\ polyfluoroalkyl substances and microplastics.
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PFOS - perfluorooctanesulfonic acid
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SWRCB
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PhaseI : Drinking Water W II sampling at: 0 0o�a
yorba Linda
• Impacted UCMR3 wells F°iierton
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Anaheim o Hills
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• Airports ^
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Garden Grove
• Landfills Nav Westminster 1
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Sunset Beach 13
Phase 11 : Chrome Platin
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g Facilities Huntin ton Fountain o 0 o n.,T - ,�
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Costa Mesa
• Phase III : WWTPs and Refineries New
port
Beach
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Chrome Plating Facilities Selected Landfills Publicly Owned Treatment Works Facilities
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2019 FAA Part 139 Airports Department of Defense Facilities
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RequiremenjLDr ww]j
• Sample the Influent, Effluent, and Biosolids
requency and
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Quarterly for 1 year Dec 2020 [or Jan 2021 ]
Mar 2021
Jun 2021
Sep 2021
Final Reports One-time event [likely Jan 2022]
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• Hiring a Consultant
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• EPA Methods for drinking water exist but not for
wastewater and biosolids
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• OCSD is part of a nation-wide effort to develop
• sample collection procedure and
• analytical method
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Additional Source Identification
✓ Industrial
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✓ Commercial � d s�
✓ Remediation ProjectsPFAS
• Urban Runoff? r•=
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• Stormwater? �
• Domestic?
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Collaborat 'ion on Potential Inputs
• PFAS in the OC Sewershed
• Dr. Adeyemi Adeleye , Asst Professor, UCI :- � �`
• Domestic, stormwater, etc. �'
• Training their staff "' ""'
• Safer Consumer Products Regulation � �
• Carpets and Rugs with PFAS -�
• Food Packaging Containing PFAS
• Treatment for Converted Textiles and Leather
Removal Technology OCWD Update
• Test will be completed this year
• Designing for Producer treatment systems
• Construction bids out for two Producer '
treatment systems
• DDW issued new PFAS orders to 15 Which PFAS
Producers wells treatment
(86 � technology?
https://www.ocwd .com/what-we-do/water-guality/pfoapfos,/
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Risk Mitigation
• Implemented 40 ppt screening levels
• Multiple contingencies are ready ` .
• Considering alternative solutions ,
capacity, and treatment at the source
• Assessing potential regulatory 69 kil
impacts on Biosolids land application
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Advocacy
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• Federal
• Support funding for clean-up costs and seek grants
• Oppose regulating PFAS as a class or as hazardous waste to
ensure agencies are not liable for clean-up
• State
• Support funding for clean-up costs, seek state grants and loans
• Oppose regulating PFAS as a class
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