Polyfluoroalkyl substances (PFAS) are a family of chemicals commonly found in products that resist grease, oil, or water. Examples of this include stain-resistant carpeting, rain jackets, and food packaging. Chemically, they consist of fluorine atoms attached to an alkyl chain, forming a fluorocarbon. This structure gives them a strong chemical inertness, or inability to react… Continue reading Per- and polyfluoroalkyl substances – the new lead?