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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
Perfluorooctane sulfonate (PFOS) and perfluorooctanoic acid (PFOA) are found in firefighting foam used by the military since the 1970’s for training exercises and to extinguish liquid and gas fires. These compounds are part...more