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Instead, it has developed just voluntary limits, which apply to simply 2 of the better-studied permanently chemicals PFOA, or perfluorooctanoic acid, and PFOS, or perfluorooctanesulfonic acid at 70 parts per trillion combined. Harvard ecological health professor Philippe Grandjean has suggested that the limitation must be just 1 ppt for PFOA and PFOS, citing his 2013 research partly moneyed by the EPA revealing reduced vaccine reaction in kids exposed to the chemicals.

Among the 120 samples CR tested, more than a 3rd had PFAS levels above 10 ppt, and more than a quarter surpassed 5 ppt for a single PFAS chemical. Did you see this? had PFAS levels above the federal advisory level of 70 ppt, with the greatest quantity 80. 2 ppt coming from a sample that Jim Vaughn, a 76-year-old retired electrical equipment salesperson, gathered at his church in Pittsboro, NC.Vaughn wasn't especially surprised, he says.

"It's that little feeling of vulnerability. Is there something that the town will do about it? Or will we let it ride?"Certainly, homeowners of Pittsboro have reason to worry, beyond the results of CR's tests. In 2007, an EPA research study discovered PFAS contamination in the Cape Worry River Basin, a significant source of drinking water for the eastern half of North Carolina.

Continuous research study out of Duke University, in close-by Durham, has actually also raised issues. It discovered that levels of PFAS in a study of 49 Pittsboro residents' blood are two to 4 times greater than that of the general US population. Heather Stapleton, the project's lead private investigator, says Vaughn's test results line up with her group's findings.

Picture: Jeremy M Lange/The Guardian"If you consider the variety of neighborhoods that might be impacted, it's close to a million people," she states. Chris Kennedy, town manager for Pittsboro, says the town was not a source of PFAS however that it was "vigilantly working towards getting rid of PFAS from our drinkable supply of water".

More than 1,200 miles far from Pittsboro, Sandy and Scott Phillips sat around their kitchen area table in Texas on a weekday in February reviewing the test results for their water samples. In 2015, seeking to scale down, they developed the custom-made house of their dreams in a brand-new advancement in Round Rock, 20 miles north of Austin.