Radon is an invisible, odorless, tasteless and radioactive inert gas that is formed naturally by the breakdown of uranium found everywhere in the soil and rock.

Long-term exposure to Radon is linked to approximately 16% of lung cancer deaths in Canada. It is the second leading cause of lung cancer after smoking. At least eight Canadians die every day from radon-induced lung cancer.

Health Canada is urging Canadians to test their homes for radon, and the only way to know if a home has an elevated level of radon is to test.

The current Canadian guideline for radon in indoor air for dwellings is 200 Becquerels per cubic meter (200 Bq/m3).

Health Canada Radon Guideline

  • Remedial measures should be undertaken in a dwelling whenever the average annual radon concentration exceeds 200 Bq/m3 in the normal occupancy area.
  • The higher the radon concentration, the sooner remedial measures should be undertaken.
  • When remedial action is taken, the radon level should be reduced to a value as low as practicable.
  • The construction of new dwellings should employ techniques that will minimize radon entry and will facilitate post-construction radon removal, should this subsequently prove necessary.


ProEnBioTest Inc. uses E-PERM to measure radon concentrations. E-PERM is also known as the Electret Ion Chamber, which is recommended by Health Canada.

We provide short-term (3-7 days) and long-term (3-12 months) Radon testing.


Call Us Now: 416-818-3930

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