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KMID : 0364920130380030138
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Journal of Radiation Protection and Research
2013 Volume.38 No. 3 p.138 ~ p.142
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Analysis of Uranium Concentrations in Urine Samples Using Alpha Spectrometry and Dose Assessment
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Lee Na-Rae
Han Seung-Jae
Cho Kun-Woo
Jeong Gyu-Hwan
Lee Dong-Myung
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Abstract
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This study was conducted to measure the uranium concentrations in urine of some members of the general public in Busan and Daejeon and to assess the annual committed effective doses from uranium analysis of daily excretion. As a result, the ranges of total uranium concentrations in the urine for the residents in Busan and Daejeon were found to be 0.556 - 1.53 mBq L-1 and 2.18 - 4.55 mBq L-1, respectively. It was noted that the uranium concentrations for the residents in Daejeon were observed to be higher than those for the residents in Busan. This result assumes that the uranium concentrations in the urines for the residents in Daejeon are probably related to the high uranium concentrations contained in the drinking water of Daejeon city. The bedrock of Daejeon, known as granitic rocks formed in the Jurassic period of the Mesozoic Era, contains high uranium contents. Also, results showed no significant correlation with age or sex. The ranges of annual committed effective doses from ingestion of uranium for the residents in Busan and Daejeon were calculated to be 0.472-1.41 μSv and 1.99-4.15 μSv, respectively.
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KEYWORD
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Uranium, Urine samples, Excretion, Alpha spectrometry, Effective dose
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