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Radon Testing Results in KFL&A


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Radon Testing Study Overview

In the winter of 2018 to 2019, 1,047 households participated in KFL&A Public Health’s Radon Testing Study and measured radon levels in their homes. The results of this study showed that 1 in 2 homes had level above the WHO’s recommended level and 1 in 4 homes were above Canada’s, much higher, threshold for mitigation.

  • 52% of homes tested above the World Health Organization’s radon guideline of 100 Bq/m3*.

  • 21% of homes tested above Health Canada’s much higher radon guideline of 200 Bq/m3.

Radon is the second-leading cause of lung cancer after tobacco smoke and is estimated to cause 21 percent of lung cancer deaths in the KFL&A region. Did you know that it is 7 times more likely to get lung cancer from Radon than second hand smoke?


The Results of the Study


The results of the first phase of KFL&A Public Health’s Radon Testing Study clearly demonstrate that residents in the region are at risk of exposure to radon. Their conclusion recommendations included:

  • The KFL&A region has high levels of radon in many homes

  • Radon is the second leading cause of lung cancer, only behind smoking

  • The only way to know your home’s radon level is to test

  • It is possible to significantly lower your homes radon levels

  • Consult with a certified professional on how to test, interpret and act on your radon results.

*Bq (Becquerel) is a measure of radioactive decay.



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