Radioactivity Risk Assessment of Radon and Gamma Dose at One Uranium Tailings Pond in China

2017 3rd International Conference on Environmental Science and Material Application

生态环境科学;材料科学

Lou, Yalong^1,2 ; Liu, Yong^1,2 ; Peng, Guowen^2,3 ; Zhao, Guodong^1,2 ; Zhang, Yan^1,2 ; Yang, Zhu^1,2

School of Environmental Protection, Safety Engineering of University of South China, Hunan Hengyang

421001, China^1

Hu Nan Province Engineering Technology Research Center of UraniumTailings Treatment, Hunan Hengyang

421001, China^2

School of Chemistry and Chemical Engineering, University of South China, Hengyang

421001, China^3

关键词: Effective dose rate;    Hunan province;    International standards;    Radiation environments;    Radon concentrations;    Reservoir area;    Residential building;    Tailings pond;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/108/3/032018/pdf
DOI  :  10.1088/1755-1315/108/3/032018

来源: IOP

【 摘 要 】

A year-long monitoring of gamma radiation effective dose rate and radon concentration had been done in the reservoir area of one uranium tailings pond in Hunan province (The monitoring area included indoor and outdoor area of residential buildings and workshops, tailings dam slope). Afterwards, the annual effective radiation dose of the people in that radiation environment had been calculated based on the results of monitoring, as well as a radiation risk assessment. According to the assessment, gamma radiation effective dose rate and radon concentration in the monitoring area were low, and the annual effective radiation dose was far below the international standard (30mSv), which showed that the radiation would not put the people's health at risk. However, the annual effective radiation dose of gamma was far above that of radon in the area of uranium tailings pond; therefore, it's advisable to take quarantine measures in in the area of uranium tailings pond to keep the surrounding residents away from unnecessary ionizing radiation.