Improved radon gas mapping finds nearly 25% of Americans living in highest risk areas
where it concentrates and then begins the journey up again as radon gas. Much of the low radon map overlays well with ...
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New state health department map shows radon levels across the state
The Minnesota Department of Health has launched a new online tool to help residents get a more accurate picture of radon levels in their counties. Radon is an odorless, colorless, gas that occurs ...