indoor air quality: Radon and changes to safety limits in Canada - 01/30/09 12:45 PM
Radon is a radioactive gas that exists naturally in the environment in very low concentrations. Radon comes from uranium in the soil. While uranium is not present in significant quantities in most geographical areas, traces of uranium in the soil exist everywhere. As uranium breaks down, it produces radon gas. Radon is classified as a human carcinogen. Breathing radon gas is associated with an increased risk of developing lung cancer. The risk increases with increased concentration of radon in the air and exposure time. The concern is around radon levels that can build up inside a house. Even if you live … (8 comments)

 

Steve Lawson

Barrie, ON

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