Radon in Ontario: the 2012 survey is not one city
Ontario’s provincial percentage mixes very different health regions. Toronto does not answer for Thunder Bay. Test the occupied room.
Oct 25, 2026
Scientific Articles
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Radon in British Columbia: the 2012 survey is not the Lower Mainland alone
Coastal and interior health regions differ. A provincial average does not clear a basement in the interior, or the reverse.
Oct 25, 2026
Radon in Alberta: the 2012 survey, not the whole province as one house
Calgary and a northern health region are not the same sample. The guideline stays 200 Bq/m³ in the room where you sleep.
Oct 25, 2026
Radon in Saskatchewan: one of the higher shares in the 2012 survey
The survey reports health regions, not one town. Regina’s number is not a farmhouse. Test the lowest lived-in level.
Oct 25, 2026
Radon in Manitoba: the 2012 survey, Winnipeg included in a wider table
A health-region percentage is not your address. Slab, sump and how long the house stays closed change the result.
Oct 25, 2026
Radon in Nord-du-Québec: a small sample in the 2012 survey
Few homes were measured. A regional percentage cannot stand in for one house. The guideline stays 200 Bq/m³.
Oct 25, 2026
Radon in Centre-du-Québec: the 2012 survey, not one municipality
The health region mixes towns. The sample is not a street. Test the occupied lowest level for at least 91 days.
Oct 25, 2026
Radon in Lanaudière: the 2012 survey reports the health region
The region is not one town. The number that counts is the lowest lived-in room during the heating season.
Oct 25, 2026
Radon on the Côte-Nord: the 2012 survey, not one village
A health-region percentage does not apply to one address. Test for at least 91 days in the occupied room.
Oct 25, 2026
Radon in Abitibi-Témiscamingue: the 2012 survey
The health region is large. Rouyn-Noranda is not a cottage north of it. Test the room where people sleep.
Oct 25, 2026
Radon in Laval: the 2012 survey is the health region, not one street
Laval’s sample is not every basement. Closed-house hours and the slab change the result from one address to the next.
Oct 25, 2026
Radon in Bas-Saint-Laurent: the 2012 survey, not one town
Rimouski does not answer for the whole region. The guideline stays 200 Bq/m³ at the lowest lived-in level.
Oct 25, 2026
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