On April 10, 2024, U.S. EPA announced finalization of drinking water standards, also known as Maximum Contaminant Levels (MCLs) for six per- and polyfluoroalkyl substances (PFAS) and a Hazard Index MCL for mixtures of specific PFAS. MCLs and non-zero MCL Goals are enforceable standards for public drinking water systems.  The new PFAS MCLs are expected […]