Abstract
Public parks and open playgrounds are the most important compartments of the urban environment due to their role in sustaining the well-being of city residents, primarily through relaxation and recreation. To determine the occurrence, levels, and sources of 16 US Environmental Protection Agency (US EPA) priority polycyclic aromatic hydrocarbons (PAHs) and consequent human health risk, soil samples from 18 parks and playgrounds from Kruševac, a mid-sized city in Serbia, were collected and analyzed. The concentrations of PAHs were determined using gas chromatography-mass spectrometry. The total concentration of selected PAHs ranged from 14 to 121 µg kg−1, with a mean of 55 µg kg−1. The measured concentrations of individual PAHs were well below limits set by national legislation and were much lower than reported values for cities worldwide. Principal component analyses and positive matrix factorization were employed to identify possible PAH sources. Traffic emissions and coal, firewood, and natural gas combustion were identified as the main sources of PAHs in the analyzed soil. The most polluted soil samples were found in parks and playgrounds near busy roads and in the most densely populated city districts. A risk assessment procedure established by the US EPA showed no significant risk, either carcinogenic or non-carcinogenic, associated with exposure to PAHs in the soil for adults and children who use parks and open playgrounds for recreational purposes.
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The datasets generated during and/or analyzed during the current study are available from the corresponding author upon reasonable request.
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The authors thank the Scientific Veterinary Institute Novi Sad for providing laboratory facilities.
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This research has been financially supported by the Ministry of Science, Technological Development and Innovation of the Republic of Serbia (Contract No: 451–03-47/2023–01/200135 and 451–03-47/2023–01/200017).
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Conceptualization and study design: Milan N. Tanić; Methodology: Denis Dinić; formal analysis and investigation: Brankica Kartalović; Stevan Stupar; writing – original draft preparation: Milan N. Tanić; writing – review and editing: Antonije Onjia; Funding acquisition: Mirjana Ćujić; resources: Željko Mihaljev; supervision: Antonije Onjia. All authors read and approved the final manuscript.
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Tanić, M.N., Dinić, D., Kartalović, B. et al. Occurrence, Source Apportionment, and Health Risk Assessment of Polycyclic Aromatic Hydrocarbons in Soil of Urban Parks in a Mid-Sized City. Water Air Soil Pollut 234, 484 (2023). https://doi.org/10.1007/s11270-023-06504-4
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DOI: https://doi.org/10.1007/s11270-023-06504-4