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Many PFAS such as PFOS and PFOA pose health and environmental concerns because they are persistent organic pollutants; they were branded as "forever chemicals" in an article in The Washington Post in 2018. [10] Some have half-lives of over eight years due to a carbon-fluorine bond, one of the strongest in organic chemistry.
Chemicals like PFOS, PFOA and PFHxS are "for all intents and purposes correctly labeled as forever chemicals," said Christopher Higgins, a leading U.S. expert on PFAS and a distinguished professor ...
To date, there are no nationwide requirements to test private well water for PFAS, which comprise a class of thousands of compounds that have seen widespread use in industrial processes and ...
Perfluorooctanoic acid (PFOA; conjugate base perfluorooctanoate; also known colloquially as C8, for its 8-carbon chain structure) is a perfluorinated carboxylic acid produced and used worldwide as an industrial surfactant in chemical processes and as a material feedstock.
Although the dangers of so-called forever chemicals are well-documented, these harmful substances have been detected in a range of personal care products used by consumers on a daily basis.
This page was last edited on 16 July 2024, at 18:23 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may ...
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 ...
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 ...