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Culot Michel V. J.; Schiager, Keith J.; Olson, Hilding G.
Health Physics: August 1978
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High radon progeny exposures exist in structures where uranium mill tailings have been improperly used as a concrete aggregate constituent and as a leveling or backfill material. The application of a radon barrier on the indoor face of these structures' foundations is considered a potential means to reduce the radon progeny exposure to the occupants. Presented here are the methods used and the results obtained in the search for a material capable of inhibiting or entirely blocking diffusion of a noble radioactive gas such as radon; a material which would simultaneously offer good durability and be practical. Demonstration of the method's applicability is shown by successful reduction of radon concentrations to sub-background levels in an experimental building built atop uranium mill tailings.

©1978Health Physics Society