Mealey's (August 16, 2022, 1:30 PM EDT) -- PHILADELPHIA — Environmental groups and some individuals on Aug. 12 filed a brief in the Third Circuit U.S. Court of Appeals seeking to intervene in a case where the Chemours Co. FC LLC is seeking review of the U.S. Environmental Protection Agency’s drinking water health advisory for two types of per- and polyfluoroalkyl substances (PFAS). The groups say the health advisory is needed to “help secure stronger drinking water protections.”...