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Almost 400 of these water systems – or about 11% of those with a full set of measurements – exceeded a PFAS limit multiple times, meaning they may need to take action to remove PFAS from the ...
The Michigan Department of Environment, Great Lakes, and Energy introduced some of the strictest drinking water standards in the country for PFAS, setting maximum contaminant levels (MCLs) for PFOA and PFOS to 8 and 16 ppt respectively (down from previous existing groundwater cleanup standards of 70 ppt for both), and introducing MCLs for five ...
3 March 2021 EPA announced that it will develop national drinking water standards for PFOA and PFOS. [109] 17 March 2021 EPA announced plans to revise wastewater standards (effluent guidelines) for manufacturers of PFAS chemicals. [110] 21 April 2021 3M sues the state of Michigan, seeking to invalidate its new drinking water standards. [111]
Used since the 1950s to make consumer products nonstick, oil- and water-repellent and resistant to temperature change, PFAS chemicals have been linked to serious health problems, including cancer ...
In 2023, the United States EPA proposed "the first (US national) standard to limit (PFAs) in drinking water;" albeit only six of >12,000 such chemicals were addressed. [11] At high temperatures or in a fire, fluoroelastomers decompose and may release hydrogen fluoride. Any residue must be handled using protective equipment. [citation needed]
Flavor-wise and chemical-wise, Spindrift gets some of the highest marks, with 0.19 ppt PFAS, or parts per trillion ("safe" PFAS levels are seen as being below 1 ppt).