Perfluorinated chemicals in drinking water of 15 million Americans

Approximately 15 million Americans in 27 states have drinking water that has been contaminated with perfluorinated chemicals (PFCs) from more than four dozen industrial and military sources nationwide, according to new analysis from the non-profit Environmental Working Group (EWG) and Northeastern University in Boston. These substances, which include perfluorooctane sulfonic acid (PFOS) and perfluorooctanoic acid (PFOA), were found in 162 water systems in the US