Feds rev up push to fix widespread PFAS pollution
The Biden administration and Congress are stepping up efforts to control the release and cleanup of poly and perfluoroalkyl substances, or PFAS, in drinking water sources and elsewhere, joining states that have expanded scrutiny of the chemicals, which are used widely in manufacturing and are extremely persistent in the environment. EPA’s current “advisory” limit on PFAS in drinking water is 70 parts per trillion, but some states have set or proposed required levels from 6.5 to 20 ppt, including California …