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KMID : 0364920100350040163
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Journal of Radiation Protection and Research
2010 Volume.35 No. 4 p.163 ~ p.166
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Radon in the Underground Workplaces; Assessment of the Annual Effective Dose due to Inhaled Radon for the Seoul Subway Station Staffs
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Song Myeong-Han
Chang Byung-Uck
Kim Yong-Jae
Lee Hwa Yong
Heo Dong-Hey
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Abstract
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The effective dose of the Seoul subway staffs due to inhaled radon (222Rn) in their workplace was investigated depended on radon concentration exposed at each workplace, and working hours and working types of the staffs. Annual average radon concentrations ranged from 16.5 to 93.0 Bq·m?3. The staffs commonly spend 2,304 hours in the underground spaces a year. With the radon concentrations and the working hours of the staffs, estimated annual effective doses ranged from 0.23 to 0.73 mSv·y?1.
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KEYWORD
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Radon, Effective dose, Subway staffs, Underground facility
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