February 20, 2020

20 February 2020

California Lowers PFOA and PFOS Response Levels

State governments continue to move ahead with increased regulation of per- and polyfluoroalkyl substance (PFAS)-related compounds, including recent significant steps by California. On February 6, 2020, California’s State Water Resources Control Board announced that it would reduce response levels (RLs) for perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS) in drinking water to 10 parts per trillion (ppt) for PFOA and 40 ppt for PFOS. (more…)