See my comment upthread, but in the meanwhile some more concrete rules and timelines have passed: https://www.epa.gov/sdwa/and-polyfluoroalkyl-substances-pfas

See my comment upthread, but in the meanwhile some more concrete rules and timelines have passed: https://www.epa.gov/sdwa/and-polyfluoroalkyl-substances-pfas https://www.epa.gov/sdwa/and-polyfluoroalkyl-substances-pfas