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The military is the most common culprit named among the 168 water systems that pointed to a PFAS source and also reported contamination above limits the EPA set earlier this year, USA TODAY's ...
Sources of PFAS pollution vary, experts say, and can be difficult to track and trace. ... The EPA standard for PFAS in drinking water is now 4 parts per trillion, down from 70 ppt.
Water is a common route of exposure — drinking water from your municipal water sources in your home are contaminated with PFAS chemicals. Food can be another source of exposure, partly because ...
Per- and polyfluoroalkyl substances (PFAS[1] or PFASs[2]) 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. [3] PFAS came into use after the invention of Teflon in 1938 to make fluoropolymer coatings and products that ...
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]
The EPA’s new standard is the first ever nationally for PFAS in drinking water. It sets limits of 4 parts per trillion for PFOA and PFOS and 10 parts per trillion for PFNA, PFHxS and “GenX ...
Following initial discoveries of groundwater contamination in 2002, the Minnesota Department of Health conducted numerous studies –concluding in 2008, 2010, and 2014 – on the level of PFAs found in the bloodstreams of exposed residents. On February 20, 2018, the state of Minnesota settled its lawsuit against 3M in exchange for $850 million.
The Natural Resources Board Wednesday gave the green light to the DNR to begin the process of replacing the drinking water standards for PFAS. ... the most common source of drinking water in the ...