Did you know that according to Health Canada 8.4 % of Ontario Homes, 11 % in Guelph, 10.4 % in Brantford and 4 % in Waterloo Homes have elevated levels of radon. These gases are tasteless, odourless and invisible. Over a very shortime they decompose and if breathed in contribute to 10% of lung cancers diagnosed. This influenced them in 2007 to reduce acceptable levels by 75% based upon a cross Canada sampling of various ages, types and styles of homes and recommend that ALL Canadians should have their homes and workplaces checked to determine the levels were at or below acceptable levels of 200 Bq/m3.
There are many types of sampling that can be done but Health Canada recommends at least a 91 day test before deciding to remediate and consider an extraction/ ventilation system. A short 4 day test can provide information to allow the decision to follow along with the longer more invasive test or not and this is likely more appropriate as relates to the real estate transaction.
If you would like more information don't hesitate to contact me and I can give you some more insight or information.
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