Table 1: Mean radon concentrations in Alberta and by Alberta Health Services zone as measured in the 2009-2011 Cross-Canada Survey of Radon Concentrations in Homes13
RegionGeometric mean concentration, Bq/m3Geometric standard deviation
Alberta71.02.14
South Zone72.42.10
Calgary Zone64.92.21
Central Zone78.52.12
Edmonton Zone70.21.86
North Zone69.02.19