Radon in a Quebec condo: test the unit, then talk to the board
The bedroom on the lowest lived-in level can be tested by the occupant. The pipe and the roof are often common elements. The declaration ...
Oct 25, 2026
Scientific Articles
108 articles
Radon for landlords: the tenant’s bedroom is the occupied zone
A written request for a test is reasonable. The 91-day detector goes in the lowest unit people sleep in, under normal heating, not hidden...
Oct 25, 2026
Radon for tenants: you can ask, you do not drill the slab
Ask in writing for a test in the room where you sleep. If the result is above 200, the owner controls the work. Opening a window for an h...
Oct 25, 2026
Radon in Mauricie: the 2012 survey, not one town
Trois-Rivières does not answer for the whole health region. Test the lowest lived-in level for at least 91 days.
Oct 25, 2026
Radon in Saguenay–Lac-Saint-Jean: the 2012 survey
The health region is not one street in Chicoutimi or Alma. The sample describes recruited homes. Your address still needs its own test.
Oct 25, 2026
Radon in Montérégie: the 2012 survey reports the health region
The South Shore is large. A regional percentage is not a basement in Longueuil or Saint-Hyacinthe. Test the occupied room.
Oct 25, 2026
Radon in the Laurentians: the 2012 survey, not one lake
A cottage and a year-round house in the same region are not the same exposure. Test while the building is occupied and heated the way you...
Oct 25, 2026
Radon in Chaudière-Appalaches: the 2012 survey
The health region mixes towns south of the river. One municipality’s reputation is not a measurement. Test the occupied lowest level.
Oct 25, 2026
Radon in Québec City and Lévis: the 2012 survey is the region
The Capitale-Nationale figure is not one street in Limoilou or Lévis. The guideline stays 200 Bq/m³ in the room where you sleep.
Oct 25, 2026
Radon in the Outaouais: the 2012 survey, not Gatineau alone
Gatineau is in the region. So are the valleys. The percentage does not clear one address. Test for at least 91 days in the heating season.
Oct 25, 2026
Radon in Estrie: 9.3% of 54 homes in the 2012 survey
The Cross-Canada Survey found 9.3% of homes in Estrie above 200 Bq/m³, from 54 houses, and none above 600. Sherbrooke is in that region. ...
Oct 25, 2026
Radon guides: the test, the report, and when to mitigate
At least 91 days, ideally from October to April, in the lowest lived-in room. The Health Canada guideline is 200 Bq/m³. Above that, mitig...
Oct 25, 2026
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