If anyone is interested I did a radon test last year. Really easy, you just leave a collector in your basement for a few months and send it in. I think it was $50-$100. Mine came back at 110 Bq/m3
US Limit: 150 Bq/m3
Canadian Limit 200 Bq/m3
Used these guys:
http://www.radoncontrol.ca/radon-a-g...omeowners.html
To add to Troutman's links-
Health Canada
http://www.hc-sc.gc.ca/ewh-semt/radi.../index-eng.php
Map of Radon tests and results in Canada
http://www.cbc.ca/news2/interactives/radon-in-canada/