How much radon gets through a concrete slab?

[Dan Richards <richards@radonseal.com>]

Hi Radsafers,



Are there any test data on the infiltration of radon through a concrete slab

of a typical house?



I mean by diffusion, convection and moisture migration from the soil. I

don't mean infiltration through openings or cracks.



I have seen an article on the diffusion of radon through concrete block

walls in Minnesota. But I am mainly interested in poured concrete floors.



Thanks in advance for your tips.



--------------

Dan Richards

RadonSeal  

richards@radonseal.com

203 225-0366



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