Evaluation of Natural Radiation in Kestanbol Spa Region

Gamma background radiation measurements were made in the region of Kestanbol Spa, the outdoor and indoor air radon concentrations were measured in Kestanbol Spa and in about 50 houses of Koruktasi village, which is located at 1 km from the Spa. The results were evaluated from a radiological point of view. The total annual effective dose received from natural sources by the inhabitants of the village and the workers at the Spa were calculated and compared with the total annual effective dose received by the inhabitants of Istanbul.