Activity level of gross α and gross β in airborne aerosol samples around the Qinshan NPP

doi:10.1016/S1001-8042(07)60042-6

Nuclear Science and Techniques ›› 2007, Vol. 18 ›› Issue (3): 176 doi: 10.1016/S1001-8042(07)60042-6

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Activity level of gross α and gross β in airborne aerosol samples around the Qinshan NPP

CHEN Bin^* YE Jida CHEN Qianyuan WU Xiaofei SONG Weili WANG Hongfeng

Zhejiang Province Environmental Radiation Monitoring Center, Hangzhou 310012, China

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CHEN Bin YE Jida CHEN Qianyuan WU Xiaofei SONG Weili WANG Hongfeng. Activity level of gross α and gross β in airborne aerosol samples around the Qinshan NPP.Nuclear Science and Techniques, 2007, 18(3): 176 doi: 10.1016/S1001-8042(07)60042-6

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Abstract

Abstract: The monitoring results of gross α and gross β activity from 2001 to 2005 for environmental airborne aerosol samples around the Qinshan NPP base are presented in this paper. A total of 170 aerosol samples were collected from monitoring sites of Caichenmen village, Qinlian village, Xiajiawan village and Yangliucun village around the Qinshan NPP base. The measured specific activity of gross α and gross β are in the range of 0.02～0.38 mBq/m³ and 0.10～1.81 mBq/m³, respectively, with an average of 0.11 mBq/m³ and 0.45mBq/m³, respectively. They are lower than the average of 0.15 mBq/m³ and 0.52mBq/m3, of reference site at Hangzhou City. It is indicated that the specific activity of gross α and gross β for environmental aerosol samples around the Qinshan NPP base had not been increased in normal operating conditions of the NPP.

Key words: Environmental radioactivity, Aerosol, Gross α, Gross β, Qinshan NPP

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Activity level of gross α and gross β in airborne aerosol samples around the Qinshan NPP

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