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Bioaccumulation of PFAS: PFASs from sediments and water can accumulate in marine organisms. Animals higher up the food chain accumulate more PFAS because they absorb PFAS in the prey they consume. In marine species of the food web. Bioaccumulation controls internal concentrations of pollutants, including PFAS, in individual organisms.
Aug. 30—Tears in a retention pond lining at Cannon Air Force Base near Clovis were discovered this month following a July leak of water contaminated with PFAS. Drinking water wells at the base ...
Early 2018 Department of Health & Human Services's Agency for Toxic Substances and Disease Registry (ATSDR) was about to publish its assessment of PFAS chemicals, with a focus on two specific chemicals from the PFAS class—PFOA and PFOS—that have "contaminated water supplies near military bases, chemical plants and other sites from New York ...
Those include the Holloman and Cannon Air Force bases and an Army National Guard site in the Santa Fe area. Much less attention has been given to how PFAS affects wildlife and ecosystems.
Fluorosurfactants (PFAS) reduce surface tension by concentrating at the liquid-air interface due to the lipophobicity of polyfluorocarbons. Chlorofluorocarbons are also perfluorinated compounds, many of which were formerly used as refrigerants ( Freon ) until they were implicated in ozone degradation .
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A new EU drinking water directive issued in 2020 adopted PFAS limit values. The limit values are 0.1 μg/L for the sum of 20 PFASs including PFHxS, and 0.5 μg/L for the sum of all PFASs. This directive is binding for all EU member nations. It is a minimum directive, and member states can elect to adopt stricter regulations. [19]
Sep. 2—If you don't live near the former Pease Air Force Base on the Seacoast or the Saint-Gobain plastics plant in Merrimack, it's tempting to ignore the news headlines about PFAS contamination ...