Recommendations on PFOS consumption advisory levels from a collaboration of fish advisory program managers in eight states and Canada, based on the 2016 EPA Drinking Water Health Advisory.
Chemicals & Emerging Contaminants
UPenn Water Center Report on PFAS/PFOA Health Communications
Outlines results from a brief survey and analysis by UPenn’s The Water Center on generally available PFAS/PFOA health literature and corresponding outreach communications.
Interim Guidance on Destroying and Disposing of Certain PFAS and PFAS-Containing Materials that are not Consumer Products
Identifies available, effective methods to remediate, dispose of, and destroy PFAS; Updates 2020 guidance, open to 180 day public comment.
Designation of PFOA and PFOS as CERCLA Hazardous Substances
Provides links to the final rule, as well as additional resources about Superfund, enforcement, and the history of this designation.
EPA PFAS Enforcement Discretion and Settlement Policy Under CERCLA
Provides direction about how the agency will exercise enforcement discretion under CERCLA in matters involving PFAS.
EPA PFAS Communications Toolkit
Provides links to videos, Q&A, fact sheets, other tools to help communicate about PFAS, specifically regarding the drinking water limits announced in April 2024.
ECOS Paper: Processes and Considerations for Setting State PFAS Standards, 2024 Update
In recent years, federal, state, and international authorities have established various health-based regulatory values and evaluation criteria for a number of specific per- and polyfluoroalkyl substances (PFAS) in response to…
Hawaii’s PFAS Environmental Hazard Evaluation and Environmental Action Levels Guidance
Provides regulatory and scientific information on the state’s PFAS hazard evaluation and environmental action levels, which are used in decision making through the hazard evluation process.
Final PFAS NPDWR & Supporting Fact Sheets
Provides links to the final PFAS National Primary Drinking Water Regulation (e.g., MCLs) and supporting materials, including fact sheets and technical information.
Press Statement on U.S. EPA’s Final PFAS National Primary Drinking Water Regulation
This statement notes ECOS’ appreciation of EPA’s work to finalize the first ever enforcable standard for PFAS and details a few considerations as states work in coordination with EPA to…
