Internal exposure from building materials exhaling 222Rn and 220Rn as compared to external exposure due to their natural radioactivity content |
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| Authors: | Predrag Ujić Igor Čeliković Aleksandar Kandić Ivana Vukanac Mirjana Đurašević Dušan Dragosavac Zora S. Žunić |
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| Affiliation: | 1. Department of Civil, Architectural, and Environmental Engineering, 1 University Station C1748, The University of Texas at Austin, Austin, TX 78712, USA;2. Department of Civil Engineering, 35 St. George Street, University of Toronto, Toronto, ON, M5S 1A4, Canada |
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| Abstract: | The main scope of this paper is to point out the importance of introducing radon and thoron exhalation measurements from building materials in the regulating frame. Currently (2009), such a regulation of this kind of exposure is not explicitly included in the Serbian regulating network. To this end, this work reports concentration measurements of 226Ra, 232Th and 40K and radon and thoron exhalation rates from building materials used in Serbia. Following detailed analysis, it was noticed that both internal exposures to radon and/or thoron exhaling from building materials may exceed external exposures to their precursors contained therein. |
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