Radon Map Reveals 1-in-4 Americans Face Dangerous Levels
Over 83 million people around the U.S. live in residences with radon levels over the EPA's action level, new data reveals.
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Improved radon gas mapping finds nearly 25% of Americans living in highest risk areas
The US Environmental Protection Agency (EPA) recommends installing a radon mitigation system when the concentration in living space reaches or exceeds 148 Bq/ m 3. Efforts to map radon levels to ...