PFAS Explained | US EPA - U.S. Environmental Protection Agency
WEBOct 25, 2023 · Basic Information about Perfluorooctanoic Acid (PFOA), Perfluorooctyl Sulfonate (PFOS) and Other Perfluorinated Chemicals (PFCs) including how people are exposed and health effects.
Per- and polyfluoroalkyl substances - Wikipedia
WEBPer- and polyfluoroalkyl substances are a group of synthetic organofluorine chemical compounds that have multiple fluorine atoms attached to an alkyl chain. Different organizations use different definitions for PFAS, leading to estimates of between 8,000 and 7 million chemicals within the group.
Per- and Polyfluoroalkyl Substances (PFAS) | US EPA
WEBAug 26, 2024 · Basic information about PFOA, PFOS and other PFAS/PFCs; how people are exposed; health effects; laws and regs that apply; and what EPA and states are doing to reduce exposures.
Perfluoroalkyl and Polyfluoroalkyl Substances (PFAS)
WEBPer- 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.
Understanding PFAS - What They Are, Their Impact, and What We …
WEBNov 1, 2023 · Per-and-polyfluoroalkyl substances (PFAS) are a collective name for a broad class of man-made chemicals of emerging concern that have recently been in the spotlight due to potential human and environmental health risks. While the public attention to PFAS is relatively new, the chemicals have been used globally since the 1940s.
Per- and polyfluoroalkyl substances (PFAS) - ECHA
WEBSep 26, 2023 · Per- and polyfluoroalkyl substances (PFAS) are a large class of thousands of synthetic chemicals that are used throughout society. However, they are increasingly detected as environmental pollutants and some are linked to negative effects on human health.
WEBChains of carbon (C) atoms surrounded by fluorine (F) atoms − Water- and oil-repellent − Stable C-F bond. Perfluorooctanoic acid (PFOA) PFAS include oxygen, hydrogen, sulfur and/or nitrogen atoms, creating a water-soluble end. Perfluorooctanesulfonic.
Per- and polyfluoroalkyl substance (PFAS) | Description, Chemistry ...
WEB3 days ago · per- and polyfluoroalkyl substance (PFAS), any of a group of synthetic chemical compounds that contain fluorine atoms attached to chains of carbon atoms.
Basic Information on PFAS | US EPA
WEBJan 14, 2021 · Per- and polyfluoroalkyl substances (PFAS) are a group of man-made chemicals that have been in use since the 1940s, and are (or have been) found in many consumer products like cookware, food packaging, and stain repellants.
Basic Information about Per- and Polyfluoroalkyl Substances …
WEBJul 26, 2016 · Polyfluorinated compounds; Two key PFAS chemicals are PFOS, or perfluorooctyl sulfonate, and PFOA, or perfluorooctanoic acid. In the past, PFOA has sometimes been referred to as C8 (because it has eight carbon atoms). Related information: What are PFCs and How Do They Relate to PFASs?
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