'So little known': Carlisle woman urging all Canadians to test for radon:1 in 7 Hamilton homes has high levels of cancer-causing gas
by from on (#5FQDD)
![HallRadon3_Content.jpg](http://media.zuza.com/2/5/25992903-cadc-4404-bb9e-1127c5912486/HallRadon3_Content.jpg)
Carlisle's Geri Hall is urging Flamborough residents - and all Canadians - to test their homes for radon.