The U.S. Environmental Protection Agency (EPA) published an advance notice of proposed rulemaking (ANPRM) on April 13, 2023, seeking information 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). 88 Fed. Reg. 22399. EPA states that it seeks 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 to PFOA, PFOS, and seven other PFAS; and/or categories of PFAS. Comments are due June 12, 2023. EPA notes that under the Paperwork Reduction Act, “comments on the information collection provisions are best assured of consideration if the Office of Management and Budget (OMB) receives a copy of your comments” by May 15, 2023. For more information, please read the full memorandum.

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