Abstract
Studies have confirmed that elevated levels of radon/thoron in the human–environments can substantially increase the risk of lung cancer in general population. The building materials are the second largest contributors to indoor radon/thoron after soil and bedrock beneath dwellings. In present investigation, the exhalation rates of radon/thoron from different building materials samples have been analysed using active technique. Radon/thoron concentrations in a model room have been predicted based on the exhalation rates from walls, floor and roof. The indoor concentrations show significant variations depending upon the ventilation rate and type of building materials used.
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Acknowledgements
The authors are grateful to Board of Research in Nuclear Science (BRNS), Department of Atomic Energy (DAE), Govt. of India [Project Ref. No.2013/36/54BRNS/2439] to carry out this work.
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Kumar, M., Sharma, N. & Sarin, A. Prediction of indoor radon/thoron concentration in a model room from exhalation rates of building materials for different ventilation rates. Acta Geophys. 66, 1249–1255 (2018). https://doi.org/10.1007/s11600-018-0159-5
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DOI: https://doi.org/10.1007/s11600-018-0159-5