2022 EPA Health Advisory Levels for Four PFAS (wa.gov)

On June 15, 2022, the U.S. Environmental Protection Agency (EPA) released lifetime Health Advisory Levels (HALs) for four per- and polyfluoroalkyl substances (PFAS) in drinking water. These included interim health advisories for PFOA and PFOS and final health advisories for PFBS and GenX chemicals.

FAQ from Washington State Department of Health