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Levels and sources of polychlorinated biphenyls in Ankara creek sediments, Turkey
The spatial distribution, degree of pollution and major sources of polychlorinated biphenyls (PCBs) were evaluated in surficial sediments of Ankara Creek, located in the capital of Turkey and serving as one of the tributaries in the third largest watershed in Turkey. Sediment ΣPCB concentrations analyzed on Aroclor and congener basis (seven indicator congeners) range from 5.5 to 777.6 ng g−1 and 3.7 to 743.3 ng g−1 dw as Aroclor and congener based concentrations, respectively. High concentrations of ΣPCBs were observed in the samples located at the downstream sections of the Creek, after discharge from Ankara municipal wastewater treatment plant. Using a chemical mass balance receptor model (CMB), major sources of PCBs affecting the sediments were investigated. The CMB model identified Aroclor 1254 and 1260 to be the major PCB sources affecting sediments. The potential sources for the PCBs were briefly discussed in terms of their use in various industrial applications.
Levels and sources of polychlorinated biphenyls in Ankara creek sediments, Turkey
The spatial distribution, degree of pollution and major sources of polychlorinated biphenyls (PCBs) were evaluated in surficial sediments of Ankara Creek, located in the capital of Turkey and serving as one of the tributaries in the third largest watershed in Turkey. Sediment ΣPCB concentrations analyzed on Aroclor and congener basis (seven indicator congeners) range from 5.5 to 777.6 ng g−1 and 3.7 to 743.3 ng g−1 dw as Aroclor and congener based concentrations, respectively. High concentrations of ΣPCBs were observed in the samples located at the downstream sections of the Creek, after discharge from Ankara municipal wastewater treatment plant. Using a chemical mass balance receptor model (CMB), major sources of PCBs affecting the sediments were investigated. The CMB model identified Aroclor 1254 and 1260 to be the major PCB sources affecting sediments. The potential sources for the PCBs were briefly discussed in terms of their use in various industrial applications.
Levels and sources of polychlorinated biphenyls in Ankara creek sediments, Turkey
Özyürek, Nazan Akduman (author) / Gedik, Kadir (author) / Şiltu, Esra (author) / İmamoğlu, İpek (author)
Journal of Environmental Science and Health, Part A ; 48 ; 800-808
2013-06-01
9 pages
Article (Journal)
Electronic Resource
English
Levels and sources of polychlorinated biphenyls in Ankara creek sediments, Turkey
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