Radon reduction in homes constructed on saprolite in the Central Appalachians |
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Authors: | D G Mose G W Mushrush J E Slone |
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Institution: | (1) Department of Chemistry, George Mason University, Fairfax, VA 22030, USA, US |
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Abstract: | A 3-year study of indoor radon in more than 1000 homes in northern Virginia and southern Maryland was conducted using 3-month
exposure alpha-track monitors. In a study set of 200 homes, first-floor indoor radon concentrations, which most closely approximates
home exposure levels, averaged slightly more than 3 pCi/l. In a study set of 100 homes, sub-slab ventilation was used to reduce
indoor radon concentrations. Interest in remediation was related to public perception of the hazardous nature of radon; people
living in homes with indoor radon measurements of more than 4 pCi/l were more likely to participate in the remediation phase
of the project. Sub-slab ventilation was successful in more than 90% of the homes in reducing indoor radon from concentrations
as high as 30 pCi/ to less than 4 pCi/l, at least for the entire year of post-remediation radon measurements.
Received: 29 February 1996 · Accepted: 29 May 1996 |
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Keywords: | Radon reduction Radon remediation Sub-slab ventilation |
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