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RADON IN HOMES - Let’s Clear the Air

November 2009

Radon is a colourless, odourless gas that is produced from the natural breakdown of uranium in rocks and soil. Radon can enter a home through tiny openings in floors and foundations and build up to dangerous levels. Long-term exposure to radon is the second leading cause of lung cancer in Canada. For smokers, the risk of developing lung cancer from radon exposure is even higher. The Ontario Lung Association is partnering with Health Canada to raise awareness about the health effects of long-term exposure to radon gas and to promote the testing of homes. It is important to learn about the health risks associated with radon, how to test for it, and how to reduce exposure if necessary.

Radon is found across Canada and any home can be at risk. The level of radon in a home depends on many things including the amount of uranium in the soil, the number of entry points into the home, and the type and level of ventilation. Radon levels can vary between neighbouring homes and even within a home from day-to-day.

The only way to know if a home has high radon levels is to test. Health Canada recommends long term testing for a minimum of three months between September and April when doors and windows are typically closed. Testing is easy and inexpensive and test kits, such as the ones pictured here, can be purchased from major home supply stores such as Home Hardware (if not on the shelf, ask them to order one for you) and Wal-Mart. Test kits can also be ordered through companies such as the Radiation Safety Institute, Becquerel Laboratories and Bubble Technology Industries.

If you have any questions or would like to order a free copy of the brochure Radon – Is It In Your Home? please call The Lung Association’s Asthma Action™ Helpline at 1-888-344-LUNG (5864) or visit www.on.lung.ca/radon.

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