CC-25-002: US EPA – Water – Draft National Recommended Human Health Ambient Water Quality Criteria for PFOA, PFOS, and PFBS

On December 26, 2024, the US Environmental Protection Agency (US EPA) released draft national recommended human health water quality criteria (HHWQC) for surface waters for three per- and polyfluoroalkyl substances (PFAS): perfluorooctanoic acid (PFOA), perfluorooctane sulfonic acid (PFOS), and perfluorobutane sulfonic acid (PFBS). Additionally, the draft documents provide guidance on…