Perfluorooctanoic Acid (PFOA) and Perfluorooctanesulfonic Acid (PFOS) National Primary Drinking Water Regulation Rulemaking

The U.S. Chamber of Commerce is concerned about the potential significant regulatory cost burden that would be associated with establishing Maximum Contaminant Levels (MCL) under the Safe Drinking Water Act for Perfluorooctanoic acid (PFOA) and Perfluorooctane sulfonic acid (PFOS) at levels that are inappropriately low.