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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 ...
Effects of exposure to PFASs on human health Short-chain PFASs, such as perfluorohexanoic acid (PFHxA) and perfluorobutanesulfonic acid (PFBS), have been found to be highly toxic, despite claims to the contrary by the chemical industry. In many cases where long-chain PFAS were phased out, they were replaced with toxic short-chain PFAS.
The pollutants belong to a class of compounds known as per- and polyfluoroalkyl substances, or PFAS. The so-called “forever chemicals” − a name attributed to PFAS' centuries-long half-life ...
The DoD has "used foam containing" PFAS chemicals "in exercises at bases across the country". The DoD, therefore, "risks the biggest liabilities" in relation to the use of PFAS chemicals according to Politico. March 2018 The PFAS Expert Health Panel on PFAS submitted their commissioned report to the Australian government.
PFAS, short for perfluoroalkyl and polyfluoroalkyl substances, are a large family of chemicals that have been used in a wide variety of products and industries because of their unique stain- and ...
The pollutants belong to a class of compounds known as per- and polyfluoroalkyl substances, or PFAS. The so-called “forever chemicals” − a name attributed to PFAS' centuries-long half-life ...
Perfluorohexanesulfonic acid ( PFHxS) ( conjugate base perfluorohexanesulfonate) is a synthetic chemical compound. It is one of many compounds collectively known as per- and polyfluoroalkyl substances (PFASs). It is an anionic fluorosurfactant and a persistent organic pollutant with bioaccumulative properties.
PFAS accumulates in the body, which is why EPA set their limits for drinking water at 4 parts per trillion for two common types — PFOA and PFOS — that are phased out of manufacturing but still ...