Abstract
A fluoroether from a Chemours plant near Petersburg, W.Va., contaminates public and private well water in Ohio and West Virginia, the U.S. EPA announced on April 23. This marks the first time that the industrial chemical hexafluoropropylene oxide dimer acid (HFPO-DA) has been found in U.S. water outside of North Carolina. In that state, the substance contaminates the Cape Fear River downstream of a Chemours plant near Fayetteville that makes fluoroethers. HFPO-DA has also been found in that river’s sediments, well water up to 11 km from the plant, and rainwater. Tests of well water in West Virginia and Ohio found HFPO-DA at levels ranging from 16 to 81 parts per trillion in untreated drinking water from nine of 14 wells that Chemours sampled earlier this year at EPA’s behest. Drinking water drawn from these wells is run through granulated activated carbon filters to strip out another industrial compound, perfluorooctanoic
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