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Evaluation of Dose Derived From HTO for Adults in the Vicinity of Qinshan Nuclear Power Base

Qin, Lailai1,2; Dai, Zhongqin3; Xia, Zhenghai4; Ma, Yuhua1,2,5; Deng, Ke1,2; Liu, Jiayu1,2; Ma, Zhaowei1,2; Zhang, Qin1,2; Yang, Guo1,2; Wei, Fei1,2; Wu, Shengwei1; Bao, Guangliang1; Liu, Wei1; Liu, Guimin1

doi: 10.1097/HP.0000000000001072
OPERATIONAL TOPICS
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Tritium that is released from nuclear facilities, especially from nuclear reactor units, may be the main origination of tritium in the environment. Atmospheric tritiated water (HTO) is the main chemical form of tritium that is released from nuclear reactor units. HTO in the air, drinking water and foods should be monitored routinely to protect public from the radiological hazards of tritium. Here, concentrations of HTO in the air, drinking water and foods in the vicinity of Qinshan Nuclear Power (QNP) base were measured from 2012 to 2016. And based on the concentrations of HTO measured, annual dose equivalent and collective dose equivalent for adults were calculated to evaluate the radiological hazards derived from HTO. The annual dose equivalent for adults in Qinshan and Wuyuan communities were both far below the dose limit for public exposure, and both showed an increasing trend, indicating that great attention still should be payed to the releasing of tritium from nuclear reactor units in the QNP base.

1Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201800, China

2University of Chinese Academy of Sciences, Beijing, 100049, China

3Wuhan University, Wuhan, 3430072, China

4Environment Emergency Department of CNNC Nuclear Power operation & Management Co., Ltd, Zhejiang, Haiyan 314300, China

5Shanghai Tech University, Shanghai, 201210, China.

The authors declare no conflicts of interest.

Lailai Qin, was born in 1990. He graduated from Nanjing University of Aeronautics and Astronautics in 2013, and is a PhD student of University of Chinese Academy of Sciences, focusing on the measurement of atmospheric tritium in different chemical forms in the vicinity of nuclear facility. His email is qinlailai@sinap.ac.cn. Shengwei Wu (wushengwei@sinap.ac.cn), Wei Liu (liuwei@sinap.ac.cn), and Guimin Liu (liuguimin@sinap.ac.cn) are corresponding authors.

Online date: June 7, 2019

© 2019 by the Health Physics Society