A new report, released July 12, 2021 by Physicians for Social Responsibility (PSR), presents evidence that oil and gas companies including ExxonMobil and Chevron have used per- and polyfluoroalkyl substances (PFAS), and/or substances that can degrade into PFAS, in hydraulic fracturing (“fracking”) for oil and gas in more than 1,200 wells in six U.S. states…

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