Assessment of metal contamination in an urban drainage system (using water and tilapia, Oreochromis spp.) in view of human health effect. A case study of some selected communities in Cape Coast township in Ghana

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dc.contributor.authorBaidoo, I.K.
dc.contributor.authorSarfo, D.K.
dc.contributor.authorSarsah, L.A.
dc.contributor.authorAppenteng, M.K.
dc.contributor.authorKaka, E.A.
dc.contributor.authorOpata, N.S.
dc.contributor.authorSerfor-Armah, Y.
dc.date.accessioned2019-01-14T09:54:33Z
dc.date.available2019-01-14T09:54:33Z
dc.date.issued2012-09
dc.description.abstractThis research work aimed at studying the metal content of water and tilapia fish sample, Oreochromis spp., from a wastewater-fed pond around the University of Cape Coast community using instrumental neutron activation analysis. The metals studied were Al, As, Ca, Co, Cr, Cu, Fe, K, Mg, Mn, Na, V and Zn. In the water samples the order of elemental concentrations at sampling point 1, in μg/g, was K (75.96 ± 0.92), Na (18.52 ± 0.35), Al (6.00 ± 0.89), Mn (3.28 ± 0.44), As (3.08 ± 0.40), Mg (1.56 ± 0.17), Ca (0.70 ± 0.08), Cu (0.54 ± 0.08) and V (0.04 ± 0.01). Co, Cr, Fe and Zn were below detection limits of INAA. The order of elemental concentrations in the water at point 2 was as follows: Na (4.99 ± 0.14), K (4.82 ± 0.89), Mn (4.40 ± 0.53), Mg (2.92 ± 0.37), Al (1.98 ± 0.21), As (0.69 ± 0.10), Ca (0.24 ± 0.07) and V (0.23 ± 0.06) with Co, Cr, Cu, Fe and Zn falling below the detection limit of INAA. The concentrations recorded for Al, As, Cu and Mn in the water samples were all above WHO permissible limits. The mean levels of heavy metals in the soft tissue of tilapia was of the order: K > Mg > Fe > Ca > Na > Al > Mn > Zn > V > Cu > Cr > Co. Arsenic was below detection limit. The transfer factor values calculated for the metals Al, Ca, K, Mg, Mn, Na and V were all greater than one indicating movement of metals from the water column to the tilapia species. The hazard index (HI) calculated for Al, Fe, Mn and V suggested possible occurrence of adverse health effects (HI > 1) where as the HI value obtained for Cr, Cu and Zn (i.e., HI < 1) suggested unlikely adverse effects occurring. © 2012 Akadémiai Kiadó, Budapest, Hungary.en_US
dc.identifier.otherVolume 293, Issue 3, Page 807-814
dc.identifier.otherDOI: 10.1007/s10967-012-1750-x
dc.identifier.urihttp://ugspace.ug.edu.gh/handle/123456789/26787
dc.language.isoenen_US
dc.publisherJournal of Radioanalytical and Nuclear Chemistryen_US
dc.subjectInstrumental neutron activation analysisen_US
dc.subjectRisk assessmenten_US
dc.subjectTilapiaen_US
dc.subjectWastewater-fed ponden_US
dc.titleAssessment of metal contamination in an urban drainage system (using water and tilapia, Oreochromis spp.) in view of human health effect. A case study of some selected communities in Cape Coast township in Ghanaen_US
dc.typeArticleen_US

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