natural radionuclides in soil profiles surrounding the largest coal-fired power plant in serbia

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ID: 189240
2016
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Abstract
This study evaluates the influence of the largest Serbian coal-fired power plant on radionuclide concentrations in soil profiles up to 50 cm in depth. Thirty soil profiles were sampled from the plant surroundings (up to 10 km distance) and analyzed using standard methods for soil physicochemical properties and gamma ray spectrometry for specific activities of natural radionuclides (40K, 226Ra and 232Th). Spatial and vertical distribution of radionuclides was determined and analyzed to show the relations between the specific activities in the soil and soil properties and the most influential factors of natural radionuclide variability were identified. The radiological indices for surface soil were calculated and radiological risk assessment was performed. The measured specific activities were similar to values of background levels for Serbia. The sampling depth did not show any significant influence on specific activities of natural radionuclides. The strongest predictor of specific activities of the investigated radionuclides was soil granulometry. All parameters of radiological risk assessment were below the recommended values and adopted limits. It appears that the coal-fired power plant does not have a significant impact on the spatial and vertical distribution of natural radionuclides in the area of interest, but technologically enhanced natural radioactivity as a consequence of the plant operations was identified within the first 1.5 km from the power plant. [Projekat Ministarstva nauke Republike Srbije br. III43009 i br. III41005]
Reference Key
n.2016nuclearnatural Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Tanić Milan N.;Janković-Mandić Ljiljana J.;Gajić Boško A.;Daković Marko Z.;Dragović Snežana D.;Bačić Goran G.
Journal postepy higieny i medycyny doswiadczalnej (online)
Year 2016
DOI
10.2298/NTRP1603247T
URL
http://www.doiserbia.nb.rs/img/doi/1451-3994/2016/1451-39941603247T.pdf
Keywords
principal component analysis natural radioactivity radioactivity atomic energy

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