Radon Testing Study Overview In the winter of 2018 to 2019, 1,047 households participated. READ MORE.

The Canadian guideline for radon in indoor air for dwellings is 200 Becquerels per cubic metre (200 Bq/m3). READ MORE.

A range of natural sources give off radon, including: Uranium ores Shales Phosphate rock Igneous and metamorphic rocks, READ MORE.

Warranty Coverage Tarion provides new homeowners with warranty coverage, for excessive Radon levels. READ MORE.