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Why PFAS are so impervious, and who is most at risk
The new infrastructure law contains $10 billion for cleaning up drinking water that has been contaminated by a specific group of man-made chemicals. But problems with "forever chemicals" go back decades, and are located in many places around the U.S. Miles O'Brien looks at the impact they've had in one community in New Hampshire, and how the U.S. Air Force is now dealing with its past use of them.
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