States, Dischargers Question Relevance Of EPA PFAS Aquatic Life Criteria

State water regulators and wastewater dischargers are questioning the relevance of EPA’s newly finalized aquatic life criteria and benchmarks for 10 PFAS in light of states’ greater interest in human health criteria, but a former EPA official is championing the agency’s guidance values as a necessary prerequisite for future criteria. Earlier this month, EPA finalized aquatic life water quality criteria for perfluorooctanoic acid (PFOA) and perfluorooctane sulfonic acid (PFOS) -- the two most-studied per-and polyfluoroalkyl substances (PFAS) -- as well...