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Attention (July 1st, 2025 - present): Update on Potential Canada Post Strike. 

The Canadian Union of Postal Workers (CUPW) has initiated strike action, including a nationwide overtime ban. On June 16th, CUPW members were asked to vote on Canada Post’s comprehensive offer to CUPW.

As this situation continues to evolve, the Evict Radon National Study continues to take precautionary steps to minimize disruptions caused by any interruptions in postal service. Radon test kits will continue to be shipped out until a potential strike has officially commenced. Return shipping may be affected, and we are recommending that participants continue to test until the situation is resolved. Read more about return shipping here. 

How Testing Works

Testing Your Home for Radon is Easy, Accessible, and Reliable.

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 90+ days, will measure the radon level of your home. It requires no electricity and is about half the size of a hockey puck.

Order your radon test kit

For instructions on how to complete the tests, please click below.

Our testing process

Testing your home for radon gas with the Evict Radon National Study

How it’s made: alpha track radon tests

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