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Per- and polyfluoroalkyl substances ( PFAS [1] or PFASs [2]) are a group of synthetic organofluorine chemical compounds that have multiple fluorine atoms attached to an alkyl chain; there are 7 million such chemicals according to PubChem. [3] PFAS came into use after the invention of Teflon in 1938 to make fluoropolymer coatings and products ...
Water-resistant clothing. Nearly 50% of paints contain PFAs. Cosmetics that are marked smudge-proof, long-lasting or waterproof. In the photography industry: film, paper, plates, X-ray film.
The Devil We Know. The Devil We Know is a 2018 investigative documentary film by director Stephanie Soechtig regarding allegations of health hazards from perfluorooctanoic acid (PFOA, also known as C8), a key ingredient used in manufacturing Teflon, and DuPont 's potential responsibility. [1] [2] PFAS are commonly found in every household, and ...
Gore-Tex is W. L. Gore & Associates 's trade name for waterproof, breathable fabric membrane. It was invented in 1969. Gore-Tex blocks liquid water while allowing water vapor to pass through and is designed to be a lightweight, waterproof fabric for all-weather use. It is composed of expanded PTFE (ePTFE), a stretched out form of the PFAS ...
PFAS then accumulates the biomass in fish, wildlife, ecosystems and humans. Two of the primary compounds of concern, PFOA and PFOS, pose a host of potential risks, particularly to children and ...
Updated May 13, 2024 at 9:06 PM. San Francisco is poised to become the first city in the country to issue a ban on firefighter clothing manufactured with so-called forever chemicals. Local ...
This timeline of events related to per- and polyfluoroalkyl substances (PFASs) includes events related to the discovery, development, manufacture, marketing, uses, concerns, litigation, regulation, and legislation, involving the human-made PFASs. The timeline focuses on some perfluorinated compounds, particularly perfluorooctanoic acid (PFOA ...
PFAS are found in drinking water, nonstick cookware, pizza boxes, stain repellants and household products like paints, according to the Environmental Protection Agency.