HEAVY METAL DISTRIBUTION IN SEDIMENT OF AKPABUYO STREAM, CROSS RIVER BASIN SOUTH EASTERN NIGERIA
ABSTRACT Sediment samples were collected through the purpose sampling method from various streams in Akpabuyo L.G.A, ten sample location were selected. The concentration and areal distribution of selected metals (Fe, Zn, Mn, Cr, Ni, Co, Cu, Cd, Pb) in the sediments of Akpabuyo streams .Geo-accumulation index have been calculated to assess whether the concentrations observed represent background or contamination levels. It proves that the choice of the background plays an important role in ...
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