PFAS are a group of manmade chemicals used in a vast number of consumer and industrial products. They’re often referred to as “forever chemicals,” because most don’t break down. Use this guide to understand PFAS and how to limit your exposure. What Does PFAS Stand For? PFAS stands for per-and polyfluoroalkyl substances, which contain a strong carbon-fluorine bond that allows them to accumulate over time in the environment and in the bodies of animals and people, posing health risks. PFAS chemicals might also be thought of as “everywhere chemicals,” since they’ve become so common in the products we use every day. Where Does PFAS Contamination Come From? Manufacturing processes and waste storage and treatment sites release PFAS into the air, soil, and water. The Environmental Working Group (EWG) has identified 41,828 industrial and municipal sites in the U.S. that are known or suspected of using PFAS. Among the industrial facilities …