Journal
JOURNAL OF ENVIRONMENTAL RADIOACTIVITY
Volume 77, Issue 1, Pages 77-85Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jenvrad.2004.03.001
Keywords
uranium; groundwater; radiological risk; chemical risk
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We analyzed the radiological and chemical risks of uranium in groundwater. The total sample number over 4 years was 498. There were several use patterns of groundwater in Korea, but we considered the risk only for drinking water. The geometric mean of uranium concentration in 10 areas in Korea was 0.17 mug.l(-1). The excess cancer risks were in the 10(-7) level in the radiological risk aspect and the hazard quotient was 0.005 in the chemical risk aspect. Therefore, we could conclude that an adverse health risk is unlikely to be posed due to exposure to uranium. However, the concentration of uranium must be monitored periodically and adequate action taken in the few and small areas that contain high uranium levels in groundwater. (C) 2004 Elsevier Ltd. All rights reserved.
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