Monthly Archives: May 2024

EPA Designates Two PFAS Chemicals as CERCLA Hazardous Substances

Wed May 1st, On Environmental Law, by

On April 19, 2024, the U.S. Environmental Protection Agency (“EPA”) finalized a new rule designating two widely used per- and polyfluoroalkyl substances (“PFAS”) chemicals—perfluorooctanoic acid (“PFOA”) and perfluorooctanesulfonic acid (“PFOS”), including their salts and structural isomers—as hazardous substances under the Comprehensive Environmental Response, Compensation, and Liability Act (“CERCLA” or “Superfund”).

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