On September 2, 2021, the U.S. Environmental Protection Agency (EPA) announced the publication of a laboratory-validated analytical method (Draft Method 1633) for testing for per- and polyfluoroalkyl (PFAS) substances. EPA reported that its Office of Water developed Draft Method 1633 in conjunction with the Department of Defense. The method is reportedly able to test for 40 PFAS compounds in eight different media, including wastewater, surface water, groundwater, soil, biosolids, sediment, landfill leachate, and fish tissue. (more…)