EPA Expands PFAS Class In Final Drinking Water Contaminant List

EPA has expanded its definition of the PFAS class it is identifying as for potential regulation under the Safe Drinking Water Act (SDWA) to include related chemicals that are known to be found in drinking water, although the new definition does not appear to be as broad as agency science advisors urged and applies only to this list of substances. EPA Nov. 2 released a pre-publication version of its final fifth contaminant candidate list (CCL5) , which includes 66 chemicals,...