Source: https://www.lexology.com/, June 17, 2022
By: Stephanie R. Feingold, Laurie Matthews and Drew Cleary Jordan, Morgan, Lewis & Bockius LLP

In its latest action under its PFAS Roadmap, the US Environmental Protection Agency issued new and updated drinking water health advisories for four PFAS chemicals. These health advisories are an interim step in a larger process of regulation for PFAS at the federal level and arrive at a time of unprecedented state and federal regulatory and legislative action to address PFAS in the environment.

On June 15, the Environmental Protection Agency (EPA) released significantly reduced lifetime drinking water health advisory levels (HALs) for four per- and polyfluoroalkyl substances (PFAS) under its Safe Drinking Water Act (SDWA) authority. These include revised interim levels for perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS) along with new, final limits for perfluorobutane sulfonic acid (PFBS) and hexafluoropropylene oxide dimer acid and its ammonium salts, collectively known as GenX. Read more.