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| Analysis of total Uranium concentration in drinking water source |
| HU Chenjian1, LIU Changjun1, HUANG Guofu1, LI Tianyang2, XU Hong1, HU Xiaoyan1, XU Chao2 |
1. Zhejiang Radiation Environmental Monitoring center, Hangzhou 310012 China;
2. Zhejiang Technology University |
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Abstract Objective To investigate the total uranium in various types of drinking water sources, and analyze the concentration, the annual intake and the annual committed effective dose, so as to provide scientific basis for radiation environmental safety supervision.Methods Analyze and calculate the concentration, the annual intake and the annual committed effective dose of total uranium in drinking water source by Laser fluorescence method from 2010 to 2018.Results From 2010 to 2018, the total uranium concentration in drinking water source water is 0.09～4.50 μg/L, the maximum annual intake for children and adults is 62.58 Bq and 125.16 Bq, respectively. The corresponding annual committed effective dose is 4.63 μSv and 6.13 μSv, respectively, which is in line with the public annual effective dose limit.Conclusion The total uranium concentration in the coastal seawater is high, while in the lake reservoir water and groundwater is low and stable. The total uranium concentration in surface water near the sea is sometimes high, which may be caused by the tide. Considering the influence of uranium in drinking water sources on the public, the concentration limit of uranium element should be established.
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Received: 23 May 2020
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