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Long-term monitoring of natural radionuclides in Uzhgorod city, Ukraine

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Abstract

The goal of the present work is to determine the specific activity of terrestrial thorium, uranium and potassium in Uzhgorod city and to predict the values of specific activity over the whole area of Uzhgorod city. The following values for the average specific activity in 2006–2012 were found for different radioisotopes from the surface soils (in Bq kg−1): 40K = 304.0 ± 12.3; 232Th = 24.2 ± 2.1; 238U = 19.2 ± 1.2. The average value of the absorbed dose was equal to 36.3 ± 2.3 nGy h−1. The average value of the external hazard index was equal to 0.22. The average annual effective dose of natural radionuclides was equal to 4.5 ± 0.3 10−5 Sv.

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Acknowledgments

This work was supported by the DPA NAS, Ukraine, Project No. 0109U001502.

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Authors and Affiliations

  1. Institute of Electron Physics, Ukrainian National Academy of Sciences, 21, Universitetska St, Uzhgorod, 88017, Ukraine

    Ivan Potoki, Oleg Parlag, Volodymyr Maslyuk, Alexander Lengyel & Zoltan Torich

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  1. Ivan Potoki
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  2. Oleg Parlag
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  3. Volodymyr Maslyuk
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  4. Alexander Lengyel
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  5. Zoltan Torich
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Correspondence to Ivan Potoki.

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Potoki, I., Parlag, O., Maslyuk, V. et al. Long-term monitoring of natural radionuclides in Uzhgorod city, Ukraine. J Radioanal Nucl Chem 306, 249–255 (2015). https://doi.org/10.1007/s10967-015-4065-x

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  • DOI: https://doi.org/10.1007/s10967-015-4065-x

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