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The United States Environmental Protection Agency defines PFAS in the Drinking Water Contaminant Candidate List 5 as substances that contain "at least one of the following three structures: R−CF 2 −CF(R')R", where both the −CF 2 − and −CF− moieties are saturated carbons, and none of the R groups can be hydrogen; R−CF 2 −O−CF 2 ...
For example, flossing your teeth is good oral hygiene, but some flosses are coated in per- and polyfluoroalkyl substances (PFAS), commonly known as forever chemicals, which can make consumer ...
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).
Remediation of per- and polyfluoroalkyl substances refers to the destruction or removal of per- and polyfluoroalkyl substances (PFASs) from the environment. PFASs are a group of synthetic organofluorine compounds, used in diverse products such as non-stick cookware and firefighting foams, that have attracted great concern as persistent organic pollutants.
But a new breakthrough technology using ultraviolet light aims to eradicate these dangerous chemicals, technically known as perfluoroalkyl and polyfluoroalkyl substances (PFAS), researchers wrote ...
PFHxA is one of thousands of types of per- and polyfluoroalkyl substances (PFAS), a group of human-made compounds known for their ability to persist in the human body and in nature.
The monomers of such perfluoroalkoxy alkane polymers, in common with other per- and polyfluoroalkyl substances, are widespread in the environment due to human production and release of the chemicals; so durable that they are referred to as "forever chemicals"; and have detrimental health concerns not yet fully understood. [10]
Called "forever chemicals" because they bioaccumulate in the environment and don't break down in the body once consumed, PFAS (which stands for perfluoroalkyl and polyfluoroalkyl substances) have ...