Blog: State Water Board issues notification and response levels for PFBs in drinking water; DTSC to finalize carpets and rugs with PFAS “priority products” in 2021
There has been no shortage of recent regulatory developments concerning per- and polyfluoroalkyl substances (PFAS) in California, which are especially relevant to drinking water systems and the consumer product community. On March 5, 2021, the State Water Resources Control Board (State Water Board), Division of Drinking Water (DDW), issued a notification level of 0.5 parts per billion (ppb), and a response level of 5 ppb, for perfluorobutane sulfonic acid (PFBS) in drinking water. PFBS is a type of PFAS compound that is commonly used as a replacement compound for perfluorooctane sulfonic acid (PFOS).