Novel method of measurement of radon exhalation from building materials
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Đurašević, Mirjana M.
Čeliković, Igor T.
Lončar, Boris B.
Kolarž, Predrag M.
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In the era of the energy saving policy (i.e. more air tight doors and windows), the radon exhaled from building materials tends to increase its concentration in indoor air, which increases the importance of the measurement of radon exhalation from building materials. This manuscript presents a novel method of the radon exhalation measurement using only a HPGe detector or any other gamma spectrometer. Comparing it with the already used methods of radon exhalation measurements, this method provides the measurement of the emanation coefficient, the radon diffusion length and the radon exhalation rate, all within the same measurement, which additionally defines materials radon protective properties. Furthermore it does not necessitate additional equipment for radon or radon exhalation measurement, which simplifies measurement technique, and thus potentially facilitates introduction of legal obligation for radon exhalation determination in building materials. (C) 2016 Elsevier Ltd. All righ...ts reserved.
Keywords:Radon exhalation / Building materials / Radon diffusion length / Radon diffusion coefficient / Radon emanation
Source:Journal of Environmental Radioactivity, 2016, 164, 337-343
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