On April 10, 2024, the Environmental Protection Agency (EPA) finalized a National Primary Drinking Water Regulation under the Safe Drinking Water Act to establish Maximum Contaminant Levels (MCLs) for five per- and polyfluoroalkyl substances (PFAS): Perfluorooctanoic acid (PFOA) Perfluorooctane sulfonic acid (PFOS) Perfluorononanoic acid (PFNA) Hexafluoropropylene oxide dimer acid (HFPO-DA, commonly known as GenX) Perfluorohexane … Continue reading EPA Finalizes Stringent Regulation of PFAS in Drinking Water