Comment 52928

By Ted Mitchell (registered) | Posted December 10, 2010 at 00:11:25

@wangell

The problem with a map of radon probability is that it totally useless to determine whether a householder should or should not test.

This I cannot believe, as it implies that radon distribution is completely random.

Several houses, apartments, or school classrooms next to each other can have widely differing radon concentrations.

I have heard that this is true, owing to differences in soil, basement permeability and ventilation. But in areas with low soil radon concentrations, can you find high radon dwellings? This would mean a) a significant radon soil concentration (from what exactly? imported uranium tailings for basement foundation?) and b) very porous basement and c) tight air envelope. All three together seem highly improbable in a generally low radon area.

If anyone has statistics and explanations that say otherwise please post them!

The risk of dying from exposure to radon in the home is about 70 times greater that that of accidental carbon monoxide exposure in the home. Everyone should test their home.

If this number is true, and it may be, then why do the two largest big box hardware stores in Canada stock hundreds of thousands of CO detectors, but zero radon detectors? just asking. The concept of triage would say testing everything is unwise advice, given limited resources.

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