The U.S. Environmental Protection Agency (EPA) issued a proposed rule on Sept. 6, 2022, to designate perfluorooctanoic acid (PFOA) and perfluorooctane sulfonic acid (PFOS), along with their structural isomers, as hazardous...more
On October 22, 2021, EPA published a proposed rule that would, if adopted, provide a significantly enhanced additional pathway for remediation of sites impacted by polychlorinated biphenyls or PCBs....more