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RADON SURVEY IN SCHOOL AND ESTIMATION OF EFFECTIVE DOSE USING CORRECTED RADON CONCENTRATION
E R Lee1, B U Chang2, Y J Kim2
1Korean Association for Radiation Application, Seongsuil-ro 77, Seongdong-gu, Seoul 04790, Korea.
Abstract:
Radon exposure in schools is different from that in dwellings because the residence pattern is very different each other. So, when effective dose is calculated in schools, different approach should be considered from in dwellings. The aim of this study was to estimate actual effective dose due to inhaled radon considering the residence time in schools. It could help avoid overestimation when effective dose is calculated in schools. The range of radon concentration in 376 schools was 18.1-2810 Bq m-3 and that of annual effective dose was estimated 0.0902-8.92 mSv y-1 considering the residence time in spring and autumn semesters.
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