The state agencies then send these plans to the U.S. Environmental Protection Agency (EPA) for approval or disapproval. Pennsylvania and Virginia have not yet submitted plans to EPA for this current ...
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Radon Map Reveals 1-in-4 Americans Face Dangerous LevelsUp to a quarter of all Americans live in areas where radon levels are above the "action level" set by the United States Environmental Protection Agency (EPA ... m 3). The researchers' map ...
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