On April 19, 2024, the United States Environmental Protection Agency (EPA) issued a pre-publication notice regarding its designation of two per- and polyfluoroalkyl substance (“PFAS”) compounds, perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS), as “hazardous substances” under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), also known as Superfund. EPA’s rule, for the first time
