How the region plans to contain 'forever chemicals'11:25

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In June, the Environmental Protection Agency released new, lower health advisories for some PFAS, a class of chemicals that is slow to break down in the environment and can negatively impact human health, even in small quantities. David Cash is the Regional Administrator for EPA Region 1, which includes Massachusetts, and he joins us to share his office's approach to addressing PFAS contamination in New England.