西安市地铁车站氡浓度调查与分析

Abstract

Abstract: In order to understand the current level of air radon concentration in Xi'an subway stations, radon concentration levels in the Xi'an subway stations of Line 1 and Line 2 were monitored using Model 1027 continuous radon monitor, and radiation exposure to subway staff was assessed according to evaluation methods recommended by the United Nations Scientific Committee on the Effects of Atomic Radiation. The monitoring results show that the average radon level at stations of Line 1 is 60.27 Bq/m³ and 32.54 Bq/m³ for Line 2. The annual effective dose of air radon to staff in Line 1 and Line 2 stations is 0.63 mSv/a and 0.34 mSv/a, respectively, which are lower than the recommended safe value.

Key words: subway, radon concentration, radiation exposure, Xi'an

CLC Number:

R144

Jing Junbo, Lu Xinwei, Li Changzhuo, Fu Luying, Shi Lu, Qiang Long. Investigations and analysis of radon concentration in Xi'an metro station[J].RADIATION PROTECTION, 2015, 35(5): 317-320.

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Investigations and analysis of radon concentration in Xi'an metro station

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