Reliability of inexpensive charcoal and alpha-track radon monitors |
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| Authors: | Douglas G Mose George W Mushrush Charles E Chrosniak |
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| Institution: | (1) Center of Basic and Applied Science, George Mason University, 22030 Fairfax, VA, U.S.A. |
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| Abstract: | A comparison between single short-term radon measurements and annual radon measurements in basements shows that significant uncertainties should be associated with the short-term measurements. Activated charcoal radon monitors which measure radon over a 3 to 7 day interval yield measurements that should carry a ± 90% uncertainty in terms of estimating annual radon concentration. Alpha-track radon monitors which measure radon over a 3 month interval should carry a ± 30% uncertainty. Decisions about home purchases, home remediation and the development of risk characterizations may often be incorrect if currently popular but unrealistically low estimates of uncertainty are applied to short-term radon measurements. Optimal results are obtained from year-long alpha-track measurements. |
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| Keywords: | Radon uranium |
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