Relationship between radon concentrations in indoor air and in soil gas |
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| Authors: | J Vaupoti? M Andjelov I Kobal |
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| Institution: | J. Stefan Institute, Jamova 39, 1000 Ljubljana, Slovenia,
Geological Survey of Slovenia, Dimi?eva 14, 1000 Ljubljana, Slovenia,
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| Abstract: | In the Ljubljana region, 53 schools were selected for measurements of radon concentrations in soil gas close to a school building, and indoor radon concentrations in one of the ground-floor classrooms of each building. The aim was to establish a relationship between radon concentrations in indoor air and in soil gas from the ground on which the building is situated. Soil gas radon concentrations between 2 and 14 kBqm-3 were found. Indoor radon concentrations ranged from 20 to 1,440 Bqm-3, with seven values exceeding 200 Bqm-3. It is concluded that good quality of the construction elements ensure low indoor radon concentration, regardless of high soil gas radon level. |
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