Abstract
ABSTRACTIn 2013, an extensive study was performed in a total of 117 locations in Izmir province and indoor radon levels were measured using the alpha track etch integrated method with LR-115 detectors. As the maps are more practical to interpret the results of radiological survey, the distributions of indoor 222Rn activities in four most densely populated districts of Izmir were mapped in detail. It is seen that the estimated average radon concentration level (210 Bq m−3) determined in Izmir province was almost three times higher than the mean value for Turkey (81 Bq m−3). Exposed annual effective dose equivalents for Izmir province were estimated in the range of 0.7 to 12.3 mSv year−1 with a mean of 5.3 mSv year−1. In this study, it is pointed out that indoor radon concentration was affected by the age of the building and height above the ground.
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