The U.S. Environmental Protection Agency (EPA) has issued Interim Recommendations for addressing groundwater contaminated with Perfluorooctanoic Acid (PFOA) and Perfluorooctanesulfonate (PFOS) under federal cleanup programs. These recommendations represent the first federal guidance for mitigating per- and polyfluoroalkyl substances (PFAS) in groundwater.
After reviewing public comments solicited in April 2019, EPA made these interim recommendations based upon the data and scientific information it collected on PFAS’ toxicity, while specifically acknowledging that the scientific information on these compounds continues to evolve. Specifically, EPA recommends:
- Using a screening