What are Echemi's "permanent chemicals"? Perfluoroalkyl and poly-fluoroalkyl substances have become drinking water contaminants due to industrial emissions and the use of fire-fighting foams. But chemical companies make and sell Pfos in a range of products, from antifouling treatments for paper and textiles to nonstick coatings like Teflon, and our exposure comes from multiple sources.
Known as "permanent chemicals" because of their...