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Determination of radioactivity level of water supply network in Trabzon province, Turkey
(Taylor & Francis Ltd, 2021) Kucukomeroglu, Belgin; Sen, Aysegul; Duran, Selcen Uzun; Ciris, Ali; Taskin, Halim; Ersoy, Hakan
In the present study, the radioactivity levels of water samples collected from the main water supply network in Trabzon province and districts and soil samples taken from the vicinity of the water network were measured. An Alphaguard-PQ2000 radon gas detector was used to determine the seasonal radon gas level in the water samples. An HPGe detector was used to determine the level of radioactivity in soil and water samples. The average concentration of Rn-222 in drinking water ranges from 0.56 +/- 0.51 to 13.3 +/- 5 Bq L-1. In water samples, average gross alpha and gross beta values were measured as 8 +/- 1 and 43 +/- 1 mBq L-1, respectively. The average concentrations of U-238, Th-232, Cs-137, K-40 radionuclides in soil were measured as 51 +/- 2, 21 +/- 2, 16 +/- 1, 28 +/- 7 Bq m(-3), respectively. The average concentrations of U-238, Th-232, Cs-137, K-40 radionuclides in drinking water were measured as 147 +/- 5, 25 +/- 2, 77 +/- 2, 12 +/- 2 mBq L-1, respectively. When the radon concentrations for drinking water were examined, it was found that the radon concentration of the three samples was above the limit value (11 Bq L-1) allowed by the US-EPA for drinking water. All other results are below the limit values.