EPA is requiring additional testing at sites subject to the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA, or Superfund) five-year review based on PFAS standards issued under the Safe Drinking Water Act (SDWA).
In April 2024, EPA finalized a rule designating two of the most studied and prevalent PFAS, Perfluorooctanoic acid (PFOA) and Perfluorooctane