Spatial variation of residential radon concentrations: The Iowa radon lung cancer study
Journal Article
·
· Health Physics
- Univ. of Iowa, Iowa City, IA (United States). Coll. of Medicine
- St. John`s Univ., Collegeville, MN (United States). Dept. of Physics
- Univ. of Kansas, Kansas City, KS (United States). School of Medicine
Homeowners and researchers frequently estimate the radon concentrations in various areas of the home from a single radon measurement often performed in the home`s basement. This study describes the spatial variation of radon concentrations both between floors and between rooms on the same floor. The geometric mean basement and first floor radon concentrations for one-story homes were 13.8% and 9.0% higher, respectively, as compared to their counterparts in two-story homes. The median first floor/basement ratio of radon concentrations for one-story homes was 0.60. The median ratios between first floor/basement and second floor/basement for two-story homes were 0.51 and 0.62, respectively. The mean coefficient of variation for detectors played on the same floor was 9.5%, which was only 2.6% higher than the mean coefficient of variation found for collocated (duplicate) quality control detectors. The wide individual variations noted in radon concentrations serve as a reminder of the importance of performing multiple radon measurements in various parts of the home when estimating home radon concentrations.
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 675497
- Journal Information:
- Health Physics, Journal Name: Health Physics Journal Issue: 5 Vol. 75; ISSN HLTPAO; ISSN 0017-9078
- Country of Publication:
- United States
- Language:
- English
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