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Title: Spatial and temporal distribution of polychlorinated biphenyl (PCB) concentrations in soils of an industrialized city in Turkey
Authors: Taşdemir, Yücel
Uludağ Üniversitesi/Ziraat Fakültesi/Toprak Bilimi Bölümü.
Uludağ Üniversitesi/Mühendislik Fakültesi/Mimarlık Bölümü.
Salihoğlu, Güray
Salihoğlu, Nezih Kamil
Aksoy, Ertuğrul
Keywords: Environmental sciences & ecology
Homologue groups
Total organic carbon
Indicator congeners
Dioxin-like congeners
Air-soil flux
Principal-component analysis
Persistent organic pollutants
Polycyclic aromatic-hydrocarbons
Historical emission inventory
Dry deposition
Surface soils
Urban soils
Bursa [Turkey]
Air-soil interaction
Industrial district
Principal component analysis
Soil pollution
Soil surface
Spatial distribution
Temporal distribution
Issue Date: Mar-2011
Publisher: Academic Press - Elsevier
Citation: Salihoğlu, G. vd. (2011). "Spatial and temporal distribution of polychlorinated biphenyl (PCB) concentrations in soils of an industrialized city in Turkey". Journal of Enviromental Management, 92(3), 724-732..
Abstract: Surface soil (0-5 cm) samples from 43 sampling sites covering the entire urban territory of Bursa, an industrialized city in Turkey, were collected in each season and analyzed for 83 polychlorinated biphenyls (PCBs). The mean concentration of total PCBs (Sigma 83 PCBs) among all sites over the four seasons was 2121.51 pg/g dry weight (dw), with a range of 207.61-5461.95 pg/g dw. Total PCB concentrations in the soil samples collected near an industrial region were the highest in all seasons. In general, PCB patterns were dominated by low-chlorinated homologue groups (<= 5 Cl groups at a 79% level). The predominant homologue group found in Bursa city soils was the penta-CBs (29.1%) followed by the tetra-CBs (25.5%) and tri-CBs (17.6%). A total of seven dioxin-like PCB congeners (CB-77, 81, 105, 114, 118, 123, and 126) were found in every sampling location and their mean total concentration for all locations and seasons was 259.27 pg/g dw, with a range of 7.02-1581.13 pg/g dw. A significant relationship (r = 0.77, p < 0.01) was found between the concentrations of dioxin-like PCBs and the seasonal average sum of PCB concentrations. A correlation between light congeners (= penta-CB) and TOC was found. The pollution potential was assessed based on the values found in soils in different regions in relation to current guideline values. Overall, it was found that PCB levels in the urban soils of Bursa were much lower than both the target values and the values found in most European soils and other regions.
ISSN: 0301-4797
Appears in Collections:Scopus
Web of Science

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