Abstract

Indoor radon measurements were performed in public schools at different locations, as well as in dwellings of Algiers. Indoor radon was measured by means of solid state nuclear track detectors (LR-115) in twelve town locations and in twenty four schools, with two schools in each location. The average radon concentrations in schools, in dwellings and outdoors was 25.6, 29.8 and 11 Bq.m -3 , respectively. The estimated average effective dose equivalent for the school pupils was 1.28 mSv.y -1 (with occupancy factors of 0.6, 0.2 and 0.2 for home, school and outdoors, respectively). This paper describes the methodology adopted and discusses the results obtained.

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