EPN member Betsy Southerland, former Director, EPA Office of Science and Technology in the Office of Water, wrote an op-ed about the Trump administration’s Draft Interim Recommendations to Address Groundwater Contaminated with PFOA and PFOS, chemicals that are part of a class of per- and polyfluorinated (PFAS) substances found in many consumer products. They persist for years in the environment and in the human body and have the potential to cause serious health effects.