EPA to Reconsider Drinking Water Standards for Several PFAS
On May 14, 2025, EPA announced its intent to rescind the national drinking water standards for hexafluoropropylene oxide dimer acid (HFPO-DA or GenX), perfluorononanoate (PFNA), and perfluorohexanesulfonic acid (PFHxS), as well as the hazard index used to evaluate the combined risk of those compounds and perfluorobutane sulfonic acid (PFBS). These Maximum Contaminant Levels (MCLs) were … Continue reading EPA to Reconsider Drinking Water Standards for Several PFAS
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