PCDD/Fs and dioxin-like PCBs in surface sediments from Lake Victoria, East Africa

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dc.contributor.authorSsebugere, Patrick
dc.contributor.authorKiremire, Bernard T.
dc.contributor.authorHenkelmann, Bernhard
dc.contributor.authorBernhöft, Silke
dc.contributor.authorWasswa, John
dc.contributor.authorKasozi, Gabriel N.
dc.contributor.authorSchramm, Karl-Werner
dc.date.accessioned2022-10-26T13:27:42Z
dc.date.available2022-10-26T13:27:42Z
dc.date.issued2013
dc.description.abstractSurface sediments (b60 cm) from the Napoleon Gulf and Thurston Bay on the northern shore of Lake Victoria were analyzed for polychlorinated dibenzo-p-dioxins (PCDDs), polychlorinated dibenzofurans (PCDFs) and dioxin-like polychlorinated biphenyls (dl-PCBs). Fifteen PCDD/Fs and eleven dl-PCBs were found in 75.5% of the samples. The maximum concentrations of PCDD/Fs and dl-PCBs were 44.1 and 136 pg g−1 dry weight (dw), respectively. Octachlorodibenzo-p-dioxin was the predominant PCDD/F congener at the Napoleon Gulf and Thurston Bay area. Regarding the dl-PCBs, a variation in levels was observed between the mono-ortho PCBs and non-ortho PCBs, with the former having higher levels than the latter. The PCDD/F and dl-PCB levels, in the sediments of Napoleon Gulf, which is near urban centers and industrial areas were markedly higher (α ≤ 0.05) than those from the Thurston Bay, which is offshore, suggesting that human activities could be sources of the pollutants to the surrounding water resources. World Health Organization-toxic equivalency quotients (WHO-TEQs) lay in the range of 0.07–5.53 pg g−1 dw for PCDD/Fs and 0.01–0.23 pg g−1 dw for dl-PCBs. 23.1% of samples from the Napoleon Gulf had their results above the set WHOPCDD/Fs-TEQ value.en_US
dc.identifier.citationSsebugere, P., Kiremire, BT, Henkelmann, B., Bernhöft, S., Wasswa, J., Kasozi, GN, & Schramm, KW (2013). PCDD/Fs and dioxin-like PCBs in surface sediments from Lake Victoria, East Africa. Science of the total environment , 454 , 528-533. http://dx.doi.org/10.1016/j.scitotenv.2013.03.046en_US
dc.identifier.urihttp://dx.doi.org/10.1016/j.scitotenv.2013.03.046
dc.identifier.urihttps://nru.uncst.go.ug/handle/123456789/5016
dc.language.isoenen_US
dc.publisherScience of the total environmenten_US
dc.subjectPolychlorinated dibenzo-p-dioxinsen_US
dc.subjectPolychlorinated dibenzofuransen_US
dc.subjectDioxin-like polychlorinated biphenylsen_US
dc.subjectSedimentsen_US
dc.subjectLake Victoriaen_US
dc.titlePCDD/Fs and dioxin-like PCBs in surface sediments from Lake Victoria, East Africaen_US
dc.typeArticleen_US
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