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Attention (June 1, 2026 - September 1, 2026): Summer Radon Testing 

SUMMER RADON TESTING: 6-MONTH RADON TEST RECOMMENDED

Common practice states that winter is the optimal time for radon testing. However, as we collect more data, we have determined little difference between winter and spring radon testing. We do, however, encourage our participants to test over seasonal change. At this time, the best and most accurate radon readings obtained during the spring and summer months are those that are longer than 6 months. With this, you have three options:

  • Complete a 180-day (6-month) radon test now.
  • Wait until September and complete a radon test lasting 91+ days (3 months).
  • Test for an entire year.

Thank you for your participation in our research. Please reach out to [email protected] if you have any questions. 

Returning your device

How to Return Your Device after Testing for 91+ Days.

Please note:

The device is to be shipped back AS IS in the provided prepaid return envelope. Please do not “pad” the device to protect it, as this will prevent your detector from being processed by Canada Post.

Ending your test:

  1. Complete the “end my test” survey here: https://evictradon.org/end-radon-test/
  2. Enter your email (the same email used to consent and register the radon kit) and COMMISSION ID (found on the postcard in your kit, and our reminder emails)
  3. Enter your test end date
  4. Complete our activity pattern and demographic survey
  5. Submit the survey
  6. Seal your Radtrak3 device in the provided prepaid return envelope
  7. Promptly (within 7 days) drop it off at any Canada Post mailbox or post office
  8. Complete! 

Please keep the postcard with your COMMISSION ID and PASSWORD until you receive your results. The results will be emailed directly to you within 6 – 8 weeks once the analysis is complete (check your junk folder).

If it has been over eight weeks and you haven’t received your report, this is normal. Double-check your email spam folder for a report from the lab in Sweden: Radonova. If you haven’t received anything, please email [email protected], and we will do our best to track down your results. 

Step 6: How to read the lab results
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