EPA Seeks To List New PFAS Test Methods, Bolstering State CWA Permits

EPA is proposing to update its list of approved Clean Water Act (CWA) analytical methods, including adding two PFAS methods the agency finalized earlier this year and adopting by reference methods previously published by voluntary consensus standard bodies for PFAS. Once the per- and polyfluoroalkyl substances (PFAS) methods are officially promulgated, states are expected to more widely include PFAS requirements in National Pollutant Discharge Elimination System (NPDES) permits. The proposed rule , which EPA Administrator Michael Regan signed Dec. 6...