dangerous pfas perfluoroalkyl and polyfluoroalkyl substances used in products and materials industry

pfas pfoa pfos pfass fbsa ptfe safety toxicity industry concept concepts pollutants pollution polyfluoroalkyl contamination chemicals environmental damage planning teflon health risk solutions jigsaw puzzle problems strategy solving illness carcinogen water repellent chemical danger cancer toxic waterproof impermeable waterresistant rainproof compounds fluorine environment exposure dangerous products fluorochemicals carcinogenic pollutant chemistry