As we have previously reported, EPA has designated perfluorooctanoic acid (“PFOA”) and perfluorooctanesulfonic acid (“PFOS”) as hazardous substances under the Comprehensive Environmental Response, Compensation, and Liability...more
As part of the PFAS Strategic Science Vision for the U.S. Geological Survey (“USGS”) and consistent with the National Defense Authorization Act for Fiscal Year 2020, which identified activities related to PFAS where USGS...more
On May 30, 2023, the comment period closed on EPA’s proposed maximum contaminant levels (“MCLs”) for six PFAS at which time EPA had received 97,793 comments. Under the proposed rule EPA would set MCLs for Perfluorooctanoic...more
In the March 3, 2021 Federal Register, EPA issued its final regulatory determinations for substances on the fourth Drinking Water Contaminant Candidate List (“CCL 4”). Under the federal Safe Drinking Water Act, EPA is...more
3/18/2021
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Water Supplies
States continue to develop standards, guidance and goals for PFAS. The ITRC has updated its table for PFAS in groundwater, drinking water and surface water/effluent to reflect the values in effect as of August 31, 2020...more
According to ITRC, 13 states (Alaska, California, Connecticut, Delaware, Massachusetts, Michigan, Minnesota, Nevada, New Jersey, North Carolina, Ohio, Rhode Island, and Vermont) regulate PFAS in drinking water through an MCL,...more