How is radon tested?

Radiation from radon is measured in a unit called the Becquerel (Bq) which represents one alpha particle being emitted per second. When measuring radon, the Bq is monitored per cubic meter of the air in your home (Bq/m3). A 16% increase in your relative risk of lung cancer is measurable per 100 Bq/m3 of chronic radon inhalation. In Canada, 200 Bq/m3 is considered the maximum allowable limit set by Health Canada, with advice being to strive for as low as reasonably achievable. We have observed some homes in Canada with radon as high as 110,000 Bq/m3, which is the equivalent of more than half a million dental x-ray equivalents of radiation each year according to the International Commission on Radiological Protection.

How do I test my home for radon gas?

Testing your home for radon is accessible and easy. One of the most effective and reliable tests is called an “alpha track” device, which, over a 90+ day period, will measure the radon level of your home. It requires no electricity and is about the half the size of a hockey puck.

Order your radon test kit

For instructions for how to complete the tests, please click here.

How it’s made: alpha track radon tests

What happens when I get my results?

We have detailed information on

  1. How to interpret your radon results
  2. What is radon mitigation
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