Abstract
Environmental advocates are urging the US Environmental Protection Agency to fine Solvay Specialty Polymers a total of $434 million for allegedly withholding information about the toxicity of per- and polyfluoroalkyl substances (PFAS) the company used as processing aids to make fluoropolymers. At issue are chloroperfluoropolyether carboxylates, compounds that Solvay used as replacements for surfactants containing salts of perfluorononanoic acid (PFNA) or perfluorooctanoic acid (PFOA). Solvay stopped using those two chemicals more than a decade ago because they are toxic and persist in the environment. Both are known drinking-water contaminants. In a Jan. 26 petition , the advocacy organization Environmental Working Group (EWG) claims that Solvay violated reporting requirements under the Toxic Substances Control Act (TSCA) by waiting more than 5 years to notify the EPA about potential risks to human health and the environment posed by chloroperfluoropolyether carboxylates. According to the EWG, Solvay identified risks in a 4-week oral toxicity
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