(PEW) -- For decades, American consumers have been buying water-resistant packaging and clothing, stain-resistant carpets and Teflon cookware. Now there is growing alarm that the chemical components that give those products their appeal are ending up in the water supply.
Drinking water in 33 states from New Jersey to California has been tainted by per- and polyfluoroalkyl substances, more commonly referred to as PFAS. Now they are also showing up in human blood: A 2015 study found PFAS in 97 percent of blood samples tested.
A newly released draft of a report by the Environmental Protection Agency says the substances that have made their way into drinking water are more dangerous to human health than previously thought. Its release was delayed for months after a Trump administration aide said it would create a "public relations nightmare."
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