Two radon tests recently done in my basement came back well within the allowable limit. The Canadian guideline for radon is 200 becquerels per cubic metre.
About 10% of Canadian homes are above this limit.
My results are 111 and 137 Bq/m³.
The reports (both from AccuStar) state that this test has an uncertainty of plus or minus 15%. I plan to repeat the test at some point.
I read somewhere that radon tests are required for real estate transactions in some US jurisdictions, but not yet in Canada.
radon testing - part one about how I did the test
Radon Responsible For 20% Of Grey Bruce Lung Cancer Deaths BlackburnNews.com (2017)
CBC report - High radon levels found in Health Canada tests across country (2014)
Radon Reduction Guide - Government of Canada (2013)
Thank you for your interest
George Plhak
Lions Head, Ontario, Canada
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