Internal exposure from building materials exhaling Rn-222 and Rn-220 as compared to external exposure due to their natural radioactivity content
Čeliković, Igor T.
Đurašević, Mirjana M.
Žunić, Zora S.
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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 Ra-226, Th-232 and K-40 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. (C) 2009 Elsevier Ltd. All rights reserved.
Кључне речи:Radon exhalation / Thoron exhalation / Exposure / Building materials / Radionuclides
Извор:Applied Radiation and Isotopes, 2010, 68, 1, 201-206
- Ministry of Science of the Republic of Serbia [141019B]