The EPA’s proposed PFAS rule was published in the Federal Register last month. Public comments can be provided at www.regulations.gov under Docket ID: EPA-HQ-OW-2022-0114. Comments must be submitted during the public comment period that ends on May 30, 2023. Information on submitting comments to EPA dockets can be found here.
https://www.regulations.gov/docket/EPA-HQ-OW-2022-0114/document