Investigation on levels of 90Sr and 137Cs in drinking water and food after installation of the first AP1000 nuclear power unit in China
10.3760/cma.j.issn.0254-5098.2021.06.010
- VernacularTitle:全国首台AP1000核电机组安装后周围生活饮用水及食品中 90Sr和 137Cs放射性水平调查
- Author:
Yiyao CAO
1
;
Hong REN
;
Peng WANG
;
Dongxia ZHANG
;
Shunfei YU
;
Zhiqiang XUAN
;
Yaoxian ZHAO
;
Zhongjun LAI
;
Ziyou WANG
;
Taotao ZHENG
Author Information
1. 浙江省疾病预防控制中心，杭州 310051
- Keywords:
AP1000;
Drinking water;
Food;
Radionuclides
- From:
Chinese Journal of Radiological Medicine and Protection
2021;41(6):456-460
- CountryChina
- Language:Chinese
-
Abstract:
Objective:To investigate and analyze the radioactivity levels of 90Sr and 137Cs in drinking water and 137Cs in food after the installation of the first AP1000 nuclear power unit in China. Methods:From 2012 to 2019, four drinking water monitoring points around AP1000 nuclear power unit located at Sanmen nuclear power plant site were collected during the wet season and dry season, 90Sr and 137Cs and radioactivity concentrations were determined in drinking water. Local rice, cabbage, crucian and mullet were collected to determine the radioactivity concentration of 137Cs. Results:From 2012 to 2019, the radioactivity concentrations of 90Sr and 137Cs in drinking water were 1.2-9.8 mBq/L and 0.2-8.1 mBq/L, respectively. The radioactivity concentration of 137Cs in food were 1.1×10 -2-2.8×10 -1 Bq/kg, lower than the limits specified in the Limited concentrations of radioactive materials in foods (GB 14882-94). Conclusions:After the installation of the first AP1000 nuclear power unit in China, the radioactivity levels of 90Sr and 137Cs in drinking water and 137Cs in foods are stable, without environmental impact identified.
