Abstract
Indoor radon and its annual effective dose from the building materials commonly used in Thailand were reported. Radon emission from samples collected in the closed chamber was measured by an ionization chamber. Indoor radon and the annual effective dose were calculated from radon concentration in the closed chamber. Granite yields the highest annual effective dose. Three samples of granite shown the annual effective dose higher than the annual exposure limit for the general public of 1 mSv year−1 recommended by the International Commission on Radiological Protection. Applying appropriate surface coating, the radon emission from some building materials has decreased substantially.
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Acknowledgments
The authors wish to thank Mr. Kosol Moombansao, Mr. Sanee Thaveesuk and Mr. Charoen Kheawngarm, Thailand Institute of Nuclear Technology for their kind support and great advice.
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Sola, P., Srinuttrakul, W., Laoharojanaphand, S. et al. Estimation of indoor radon and the annual effective dose from building materials by ionization chamber measurement. J Radioanal Nucl Chem 302, 1531–1535 (2014). https://doi.org/10.1007/s10967-014-3716-7
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DOI: https://doi.org/10.1007/s10967-014-3716-7