Pros and Cons of the EPA’s Proposed Rule Against PFAS
By Jose Aguayo. On August 26, 2020, the USEPA released a proposed rule to regulate Perfluorooctanoic Acid (PFOA) and Perfluorooctanesulfonic Acid (PFOS) as hazardous substances under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), or “Superfund.” These two chemicals are the most widely used ones from a family of chemicals called Perfluoroalkyl and Polyfluoroalkyl Substances, or PFAS. They have been used indiscriminately for decades in the aerospace, automotive, construction, electronics, clothing, and cooking ware industries. Given their wide usage and their chemistry, which makes them virtually indestructible by natural