Environmentalists Urge EPA To Adopt Broad, Unified PFAS Definition

Several major environmental groups are pressing EPA to adopt a broad, agency-wide definition of the PFAS class of chemicals, warning that none of the current definitions used by various EPA program offices is likely to detect the substances in a comprehensive way necessary to provide critical public-exposure information. “We ask EPA to adopt a definition of PFAS that is based on the hazard characteristic of persistence that defines the full class of PFAS and is in line with the definition...