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| Analysis of the individual occupational external exposure monitoring results of a tertiary hospital in Urumqi 2010-2016 |
| LEI Shuqin, SUN Xiaona, ZHU Dongsheng, WANG Yuwen |
| Radiological Health Department Xinjiang Uygur Autonomous Region for Diseasers Prevention Control, Urumqi 830011 China |
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Abstract Objective This paper gives an overview of spread of occupational external exposure for monitoring individual by analyzing the exposure dosage of medical personnel within radiology department of a tertiary hospital in the city of Urumqi from 2010 to 2016.Methods Under the regulation of "Specifications of individual monitoring for occupational external exposure"(GBZ 128-2016), LiF(Mg, Cu, P) thermoluminescent dosimetry(TLD) is applied for the results and data analysis.Results From 2010 to 2016, the per capita annual effective doses of radiation workers in a top three hospital in Urumqi were:1.02 mSv 1.02 mSv 1.01 mSv 0.56 mSv 0.32 mSv 0.39 mSv 0.41 mSv and the 7-years average dose was 0.56 mSv. The number of monitoring individuals increased during the seven year period, the annual effective amount per capita, however, appears to be in a downward trend and a relatively stable level.Conclusion The medical personnel in a tertiary hospital, Urumqi have safety working environment as their annual effective dose per capita is in compliance with national standard. Nonetheless, nuclear medicine and interventional radiography should have the priority in exposure control.
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Received: 10 June 2018
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