PFOS

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Enforcement of Two PFAS Chemicals under Superfund Now in Effect

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Enforcement of Two PFAS Chemicals under Superfund Now in Effect

The enforcement date is now active for the two PFAS chemicals designated as hazardous substances by the U.S. Environmental Protection Agency (EPA) under Superfund (CERCLA/SARA). Enforcement went into effect on July 8, 2024, following the EPA’s final rule announcement in April that perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic (PFOS) are hazardous substances.

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Significant Impact of Proposed RCRA PFAS-Related Rules

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Significant Impact of Proposed RCRA PFAS-Related Rules

As part of a significant update to RCRA, the U.S. EPA announced proposed rule amendments  to add nine PFAS compounds as hazardous constituents.  The proposed addition of these nine PFAS compounds as hazardous constituents is expected to have a wide-ranging impact on the environmental industry.

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EPA Holds Public Hearing on Proposed PFAS National Primary Drinking Water Regulation

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EPA Holds Public Hearing on Proposed PFAS National Primary Drinking Water Regulation

The U.S. Environmental Protection Agency (EPA) held a public hearing on May 4, 2023  to hear comments on the proposed PFAS National Primary Drinking Water Regulation (NPDWR).  The public hearing was a follow-up of the EPA’s announcement on March 14, 2023 about the PFAS NPDWR proposed rule. 

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3M Announces Plans to Exit PFAS Manufacturing and Discontinue PFAS Use

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3M Announces Plans to Exit PFAS Manufacturing and Discontinue PFAS Use

3M announced that it will exit per- and polyfluoroalkyl substance (PFAS) manufacturing and work to discontinue the use of PFAS across its product portfolio by the end of 2025. In the official announcement from 3M, the company said that it plans to. Exit all PFAS manufacturing by the end of 2025: 3M will discontinue manufacturing all fluoropolymers, fluorinated fluids, and PFAS-based additive products.

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Michigan’s PFAS Groundwater Cleanup Rules Remain in Effect After Court of Claims Order

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Michigan’s PFAS Groundwater Cleanup Rules Remain in Effect After Court of Claims Order

Despite a Michigan Court of Claims order issued in November siding with 3M that the State of Michigan did not follow the required administrative procedures when establishing PFAS groundwater cleanup rules, the rules can continue to be used and remain active.

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US EPA Approves Merit Laboratories for UCMR 5 PFAS Testing

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US EPA Approves Merit Laboratories for UCMR 5 PFAS Testing

The U.S. EPA officially approved Merit Laboratories to perform analytical laboratory testing for PFAS compounds as part of the fifth Unregulated Contaminant Monitoring Rule (UMCR5). As part of UCMR5, Merit Laboratories is approved for analytical methods EPA 533 and EPA 537.1. UCMR 5 includes all 29 PFAS compounds that are within the scope of EPA Methods 533 and 537.1.

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Wisconsin’s PFAS Action Plan Progress Report Issued

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Wisconsin’s PFAS Action Plan Progress Report Issued

The Wisconsin PFAS Action Council published its 2022 PFAS Action Plan Progress Report in August. The progress report presented progress in the eight themes that are covered in the states PFAS Action Plan to address statewide PFAS contamination. A few of the highlights presented as accomplishments in the report include the implementation of new surface water and drinking water standards for PFOA and PFOS

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PFOA and PFOS Proposed for Designation as CERCLA Hazardous Substances

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PFOA and PFOS Proposed for Designation as CERCLA Hazardous Substances

In an expected move, the U.S. EPA is officially proposing a rule to add both perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS) as hazardous substances under Superfund (CERCLA). EPA made the announcement on August 25, 2022, in a pre-publication notice in the Federal Register.

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PFAS Limits Significantly Lowered in EPA Health Advisories

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PFAS Limits Significantly Lowered in EPA Health Advisories

The U.S. Environmental Protection Agency (EPA) released updated health advisories in June for PFAS compounds in drinking water. These new limits significantly reduce the guidelines previously established in 2016. The new drinking water interim health advisories reduce the limit for both PFOA (perfluoro-octanoic acid) and PFOS (perfluoro-octane sulfonate).

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First Illinois Groundwater Quality Standards for PFAS Chemicals Proposed

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First Illinois Groundwater Quality Standards for PFAS Chemicals Proposed

The Illinois Environmental Protection Agency (EPA) has filed administrated rules to create the first groundwater quality standards for PFAS chemicals in the state. According to the IEPA in a recent announcement, it has submitted amendments to 35 Illinois Administrative Code (Ill. Admin. Code) Part 620 to the Illinois Pollution Control Board (Board).