Measurement of radon exhalation rate in various building materials used in Morocco
by Murad Al Mugahed; Farida Bentayeb
International Journal of Low Radiation (IJLR), Vol. 11, No. 2, 2019

Abstract: Measurements of radon surface and mass exhalation rates were made for 35 types of building material samples frequently used in Morocco. In this survey, we used the Can technique, containing CR-39 detectors, to estimate the radon exposure from building materials. The surface and mass exhalation rates ranged from 37.92 mBq⁻² h⁻¹, 3.05 mBq kg⁻¹ h⁻¹ to 1545.60 mB q m⁻² h⁻¹, 43.14 mBq kg⁻¹ h⁻¹, with an average of 271.4192 mBq m⁻² h⁻¹ and 10.23 mBq kg⁻¹ h⁻¹, respectively. All the values of effective radium content and effective dose were calculated and they were within the safe limit in all samples studied.

Online publication date: Mon, 04-Nov-2019

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