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A number of pages on the Government of Saskatchewan's website have been professionally translated in French. These translations are identified by a yellow box in the right or left rail that resembles the link below. The home page for French-language content on this site can be found at:

Renseignements en Français

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Radon Gas in Your Home

Radon is an invisible, odourless gas that comes from the natural breakdown of uranium in soil, rock and water. ;Radon gas escapes from the ground into the air. In open spaces, the concentration of radon gas is small and does not pose a health risk.

In confined spaces, such as basements and underground mines, radon can accumulate to high levels and become a health hazard. Prolonged exposure to high levels of radon can increase the risk of developing lung cancer.

Radon can enter a home through any opening where the house contacts soil, such as:

  • Cracks in foundation walls and floor slabs;
  • Construction joints;
  • Gaps around service pipes and support posts;
  • Floor drains and sumps;
  • Cavities inside walls; and
  • The water supply.

To reduce radon levels within your home, you can:

  • Renovate existing basement floors, particularly earth floors;
  • Seal cracks and openings in walls and floor including openings around pipes and drains; and
  • Ventilate the soil around the basement floor (i.e., sub-slab depressurization).

Radon levels can vary from home to home depending on the soil, construction and ventilation. Testing is the only way to check the radon level in your home. You can purchase a test kit online or hire a radon testing company.

The Canadian guideline for radon in indoor air dwellings is 200 Bq/m3. If testing shows levels of radon above this threshold, remedial measures should be taken.

For more information on radon, visit:

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