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Per- and polyfluoroalkyl substances (also PFAS [1],PFASs, [2] and sometimes referred to as "forever chemicals" [3] [4]) 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. [5]
Like the related chemicals hexaBDE, heptaBDE, and octaBDE (see below), hexabromodiphenyl is an endocrine disruptor. [30] Hexabromocyclododecane is a flame retardant predominately used in foams and textiles that is highly toxic to aquatic organisms. Human toxicology studies are ongoing, but it shows neuroendocrine disruption and developmental ...
Trifluoroacetic acid, a moderately strong acid useful in organic chemistry. Heptafluorobutyric acid, a moderately strong acid that is useful in organic and analytical chemistry. Pentafluorobenzoic acid, a moderately strong acid of interest in research community. Perfluorooctanoic acid (PFOA),a surfactant used to make fluoropolymers such as Teflon.
The wristbands were also checked for 20 different types of forever chemicals. Based on the findings, PFHxA was the most common, appearing in nine of the 22 tested wristbands.
It is the first time a nationwide limit on so-called forever chemicals has been imposed on water providers. EPA Administrator Michael Regan called it the biggest action the agency has ever taken ...
Chances are, many food, drinks, and household items contain toxic "forever chemicals" like PFAS. So what are forever chemicals, and should we be worried?
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“The reason they’re called forever chemicals is that they are highly persistent in our bodies and in the environment,” says Scarr. “It’s not like our body processes them and they leave ...