A fourth study looks at EPA tests of two - thirds of the drinking water systems in the United States, and finds the drinking water of six million people has levels of the highly fluorinated chemicals that are above the current EPA limits. (wshu.org)
A fourth study looked at EPA tests of two - thirds of the drinking water systems in the United States and found the drinking water of 6 million people has levels of highly fluorinated chemicals that are above the current EPA limits. (wxxinews.org)
And a fourth study in the same issue of Nature, this one focusing on ancient climate, also makes the case for an earlier exodus. (sciencenews.org)