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Title: Exposure of school children to polycyclic aromatic hydrocarbons, heavy metals and radionuclides in the urban soil of Kragujevac city, Central Serbia
Authors: Stajić, Jelena
Milenković, Biljana
Pucarević, Mira
Stojić N.
Vasiljevic I.
Nikezic, Dragoslav
Journal: Chemosphere
Issue Date: 1-Mar-2016
Abstract: © 2015 Elsevier Ltd. The concentrations of radionuclides, polycyclic aromatic hydrocarbons (PAHs) and heavy metals were measured in soil samples collected from school backyards and playgrounds in Kragujevac, one of the largest cities of Central Serbia. The activity concentrations of 226Ra, 232Th, 40K and 137Cs were determined using the HPGe semiconductor detector. The average values were 34.6, 44.7, 428.9 and 45.1 Bq kg-1, respectively. The correlation between the activity concentrations of 226Ra in the soil samples and the results of the previous measurement of 222Rn concentrations in the indoor air was examined. The absorbed dose rates, the annual effective doses and excess lifetime cancer risk were also estimated. The activity concentrations of 226Ra and 232Th have shown normal distribution. The collected soil samples were analysed for PAHs by HPLC. All analysed soil samples contained PAHs, and their total amounts (for 15 measured compounds) were found to be between 0.038 and 3.136 mg kg-1 of absolutely dry soil (a.d.s). In addition the concentrations of As, Cd, Co, Cr, Cu, Fe, Mn, Ni, Pb and Zn were measured in the fourteen soil samples collected from the playgrounds of kindergartens.
Type: Article
DOI: 10.1016/j.chemosphere.2015.12.006
ISSN: 00456535
SCOPUS: 84959211436
Appears in Collections:Faculty of Science, Kragujevac
Institute for Information Technologies, Kragujevac
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