Sep 30, 2025 · PFAS are found in water, air, fish, and soil at locations across the nation and the globe. Scientific studies have shown that exposure to some PFAS in the environment may be …

Per- and polyfluoroalkyl substances are a group of synthetic organofluorine chemical compounds that have multiple fluorine atoms attached to an alkyl chain. Different organizations use …

Aug 5, 2025 · Perfluoroalkyl and polyfluoroalkyl substances (PFAS) are synthetic chemicals found in many products, such as clothing, carpets, fabrics for furniture, adhesives, paper packaging …

Nov 12, 2024 · Most people in the U.S. have been exposed to PFAS and have it in their blood. Since 1999, the National Health and Nutrition Examination Survey (NHANES) has measured …

Oct 21, 2025 · What are PFAS?Perfluoroalkyl and polyfluoroalkyl substances, or PFAS, are a group of chemicals made by humans. Since the 1950s, PFAS have been used in many …

Jun 5, 2025 · Per- and polyfluoroalkyl substances (PFAS) are a large, complex group of synthetic chemicals that have been used in consumer products around the world since about the 1950s.

Per- and Polyfluoroalkyl Substances (PFAS) PFAS have been used in multiple industry and consumer products, including some firefighting foams. PFAS are a group of manmade …

Jul 25, 2024 · Per- and polyfluoroalkyl substances, a group of chemicals known as PFAS, have a powerful ability to repel oil and water and resist heat, making them useful in a wide range of …

Per- and polyfluoroalkyl substances (PFAS) are a group of human-made chemicals that were first used in the 1940s, followed in subsequent decades by the development of thousands of new …

Sep 5, 2025 · EPA is committed to addressing Per- and Polyfluoroalkyl substances (PFAS) in drinking water while following the law and ensuring that regulatory compliance is achievable …