Radon in Homes - Mitigation
Radon levels by State and Province - why a radon test is essential
...maps - levels by State or Province
Radon maps show where the risk of radon contamination in homes is the highest, But finding the local risk level on a radon map is not a clear indication of safe or dangerous levels of radon gas in a home. For example, below are official maps of the high-risk radon gas areas in the USA...
