江西省修水县石煤矿区放射性环境调查与评价

Abstract

Abstract: The development and comprehensive utilization of bone coal may cause certain pollution to the environment including the increased environmental radioactive level and radiation dose to the residents. Combined with multi-media sampling analysis, gamma dose rate field monitoring and ground gamma-ray spectrometry, the relationship between radionuclide distribution and environmental gamma dose rate of a typical bone coal mine in Xiushui County were investigated, and radiation dose to the residents in the mining area was estimated. The results showed that the average ground-level gamma dose rate up to 662 nGy/h has been reached, where the uranium deposit is mainly in the form of carbon silicon mudstone type. The measured activities of radionuclides in bone coal, bone-coal cinder, soil and water samples in this area were higher than the corresponding background values in the province. The effective dose to the surrounding residents was greater than 1 mSv per year. Radiation monitoring and control for bone coal mining is required.

Key words: bone coal, radioactive environment, survey, dose estimation, evaluation

CLC Number:

Wang Honghai, Zhang Linxi, Xu Naizheng, Wei Xinxiang, Dou Xiaoping. Investigation and evaluation of radioactive environment in a bone coal mine area in Xiushui County, Jiangxi Province[J].RADIATION PROTECTION, 2017, 37(6): 476-482.

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Investigation and evaluation of radioactive environment in a bone coal mine area in Xiushui County, Jiangxi Province

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