EPA Action Designates Two Widely Used PFAS as Hazardous Substances Under the Superfund Law

On Friday, April 19, 2024, the United States Environmental Protection Agency (“EPA”) announced its final rule designating perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS) as hazardous substances under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), also known as Superfund. The designation, which is likely to be challenged, will result in costly new cleanup requirements for existing and even closed CERCLA sites still subject to agency...
By: Saul Ewing LLP

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