AdvertisementEPA Says It Plans To Limit Toxic PFAS Chemicals, But Not Soon Enough For CriticsFebruary 14, 2019Jon HurdleSusan PhillipsJeff BradyfacebookEmailThe Naval Air Warfare Center in Warminster, Pa., is one of many places across the U.S. where the foams once used in firefighting training contained harmful chemicals known as PFAS. (Matt Rourke/AP)