April 13, 3023     ENVIRONMENTAL PROTECTION AGENCY 

40 CFR Part 302 

[EPA–HQ–OLEM–2022–0922; FRL–9064– 01–OLEM] 

RIN 2050–AH25 

ACTION: Advance notice of proposed rulemaking (ANPRM). 

SUMMARY: The Environmental Protection Agency (EPA or the Agency) is seeking public input and data to assist in the consideration of potential development of future regulations pertaining to perand polyfluoroalkyl substances (PFAS) under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA or Superfund). The Agency 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. 

DATES: Comments must be received on or before June 12, 2023.

READ MORE: https://www.govinfo.gov/content/pkg/FR-2023-04-13/pdf/2023-07535.pdf