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Health Canada: Cross-Canada Survey of Radon Concentrations in Homes

This report summarizes the results from the Cross-Canada Survey of Radon Concentrations in Homes, a two-year study conducted by Health Canada’s National Radon Program.

The aims of this study were to obtain an estimate of the proportion of the Canadian population living in homes with radon gas levels above the guideline1 of 200 Bq/m3, to identify previously unknown areas where radon gas exposure may constitute a health risk, and to build, over time, a map of indoor radon gas exposure levels across Canada.

Download: Health Canada report