Application of a radon model to explain indoor radon levels in a Swedish house

L. L. Font, C. Baixeras, G. Jönsson, W. Enge, R. Ghose

Research output: Contribution to journalArticleResearchpeer-review

8 Citations (Scopus)

Abstract

Radon entry from soil into indoor air and its accumulation indoors depends on several parameters, the values of which normally depend on the specific characteristics of the site. The effect of a specific parameter is often difficult to explain from the result of indoor radon measurements only. The adaptation of the RAGENA (RAdon Generation, ENtry and Accumulation indoors) model to a Swedish house to characterise indoor radon levels and the relative importance of the different radon sources and entry mechanisms is presented. The building is a single-zone house with a naturally-ventilated crawl space in one part and a concrete floor in another part, leading to different radon levels in the two parts of the building. The soil under the house is moraine, which is relatively permeable to radon gas. The house is naturally-ventilated. The mean indoor radon concentration values measured with nuclear track detectors in the crawl-space and concrete parts of the house are respectively 75±30 and 200±80 Bq m-3. Results of the model adaptation to the house indicate that soil constitutes the most relevant radon source in both parts of the house. The radon concentration values predicted by the model indoors fall into the same range as the experimental results.
Original languageEnglish
Pages (from-to)359-362
JournalRadiation Measurements
Volume31
DOIs
Publication statusPublished - 1 Jan 1999

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