A family of colorless and tasteless man-made chemicals—largely unregulated by the EPA—has become a growing concern for drinking water safety in thousands of American communities.
"Some of the effects that have been uncovered through studies of people who are exposed are different types of cancer. The ones that are most strongly linked are kidney and testicular cancer," DeWitt said."We know they can produce negative effects on the liver; affect levels of cholesterol in the body; affect your body's immune system. They can also have effects on developing babies and on women while they are pregnant.
The American Chemistry Council, an industry trade group representing PFAS manufacturers, said in a statement responding to this ABC News report that it's"committed to the responsible production, use and management" of the substances and supports the EPA consideration of national drinking water standards for two of the more than 4,000 types of PFAS chemicals.
"I think that the EPA -- we need to hold their feet to the fire because nothing is going to change, nothing will go forward until they set those limits," said Yolanda Herrera, a longtime Tucson community advocate for safe drinking water."It's going to take all of us together to go to Congress, to go to the EPA to make major changes that need to be done."
at the Harvard University School of Public Health."We need to do everything we can to protect women ... against these compounds so that they are not burdening the next generation."University of Arizona hydrologist Bo Guo calls the prevalence of synthetic chemicals in soils a"ticking time bomb" as the substances can slowly contaminate groundwater years after release.
Arizona state and local officials believe PFAS-laden firefighting foam deployed in training exercises and emergencies decades ago at Tucson's International Airport and Air National Guard complex is only now reaching groundwater wells miles away.
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