EPA, Agencies Grapple With Questions Over Low PFAS Levels In Soil

EPA is wrestling with how to address low concentrations of PFAS in soil at sites wanting to further develop, as other federal departments and state regulatory agencies are starting to focus on determining background levels of the ubiquitous class of chemicals in soil. In a speech to state waste managers last week, Steven Cook, principal deputy assistant administrator for EPA’s waste office, raised questions about how regulators should deal with low concentrations of per- and polyfluoroalkyl substances (PFAS) in soil,...