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Exposure To Atmospheric Radon, Daniel J. Steck, R. William Field, Charles F. Lynch
Exposure To Atmospheric Radon, Daniel J. Steck, R. William Field, Charles F. Lynch
Physics Faculty Publications
We measured radon (222Rn) concentrations in Iowa and Minnesota and found that unusually high annual average radon concentrations occur outdoors in portions of central North America. In some areas, outdoor concentrations exceed the national average indoor radon concentration. The general spatial patterns of outdoor radon and indoor radon are similar to the spatial distribution of radon progeny in the soil. Outdoor radon exposure in this region can be a substantial fraction of an individual's total radon exposure and is highly variable across the population. Estimated lifetime effective dose equivalents for the women participants in a radon-related lung cancer …