Perfluoropropanesulfonic acid (PFPrS) is a PFAS chemical compound having a three-carbon fluorocarbon chain and a sulfonic acid functional group. It has been used within the manufacturing process of aqueous film forming foam (AFFF).
See also FBSA Per- and polyfluoroalkyl substances PFNA PFOA Timeline of events related to per- and polyfluoroalkyl substances
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