>>>
http://www.nytimes.com/2008/07/24/garden/24granite.html?no_interstitial>>
>>FWIW, there are actually no studies that show that radon at the levels found in many homes (and for which the guideline is to remediate) causes cancer. The only studies that show cancer involve uranium miners exposed to extremely high levels.
>
>The EPA disagrees:
http://www.epa.gov/radon/pubs/citguide.html>
>Also there is the Wikipedia overview:
http://en.wikipedia.org/wiki/Radon#PrecautionsMakes you wonder if all those Romans died of cancer. Afterall, monuments, columns, and baths were mostly made of granite, marble, and limestone. Just imagine all those hours in the baths soaking in wet granite!
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"When the debate is lost, slander becomes the tool of the loser." - Socrates
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"Life is not measured by the number of breaths we take, but by the moments that take our breath away." -- author unknown
"De omnibus dubitandum"