Abstract

The aim of this study is to determine the soil radioactivity levels and assess the possible relevant health hazards for the inhabitants of Ankara province. Total of 341 samples were collected from predetermined locations and outdoor gamma dose rate measurements were carried out. The mean activity of 40K, 226Ra, 232Th, and 137Cs with the ranges were determined as 454 (23–1355), 27 (6–186), 33 (2–181) and 3.3 (0.5–20.9) Bq kg−1, respectively. The average annual effective dose equivalent was found to be 71.8 µSv y−1 for public exposure and the average excess lifetime cancer risk value was calculated as 2.69E−04.

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