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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 ...
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 ...
Food containers that have PFAs are waterproof and grease-proof, such as microwave popcorn bags. Water-resistant clothing. Nearly 50% of paints contain PFAs.
The EPA’s new standard is the first ever nationally for PFAS in drinking water. It sets limits of 4 parts per trillion for PFOA and PFOS and 10 parts per trillion for PFNA, PFHxS and “GenX ...
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.
Perfluorobutanesulfonic acid ( PFBS) is a PFAS chemical compound having a four-carbon fluorocarbon chain and a sulfonic acid functional group. It is stable and unreactive because of the strength of carbon–fluorine bonds. It can occur in the form of a colorless liquid or a corrosive solid. [1] Its conjugate base is perfluorobutanesulfonate ...
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