On April 13, 2023 (88 FR 22399), the Environmental Protection Agency (EPA) published an Advance Notice of Proposed Rulemaking (ANPRM) in the Federal Register (FR) requesting public input and data to assist in the consideration of potential development of future regulations pertaining to per- and polyfluoroalkyl substances (PFAS) under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA or Superfund). The EPA is seeking input and data regarding potential future hazardous substance designation under CERCLA of: Seven PFAS, besides perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS), and their salts and structural isomers, or some subset thereof; precursors (a precursor is a chemical that is transformed into another compound through the course of a degradation process) to PFOA, PFOS, and seven other PFAS; and/or categories of PFAS. Comments must be received on or before June 12, 2023.

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EPA 04-13-2023 ANPRM addressing PFAS under CERCLA