Regulatory Updates
State Water Board Adopts Lower Response Levels for PFOA and PFOS Last week, the State Water Resources Control Board’s Division of Drinking Water announced the lowering of response levels for two Per- and Polyfluoroalkyl Substances (PFAS). The updated response levels are 10 parts per trillion (ppt) for perfluorooctanoic acid (PFOA) and 40 ppt for perfluorooctane [...]