Educational Environmental Forum To Be Held To Address Per- And Polyfluoroalkyl Substances (PFAS) Per- and polyfluoroalkyl substances (PFAS) are a group of man-made chemicals that includes PFOA, PFOS, GenX, and many other chemicals. PFAS have been manufactured and used in a variety of industries around the globe, including in the United States since the 1940s. PFOA and PFOS … [Read more...] about On April 22-24, 2020 an educational environmental forum (PFAS Forum) is being conducted at the Renaissance Tampa International Plaza Hotel in Tampa, Florida