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Heavy Metal Studies of Industrial Effluent on Alaro Stream Sediment

Author Affiliations

  • 1 Department of Biological Sciences Igbinedion University, Okada, Edo state, NIGERIA

Int. Res. J. Biological Sci., Volume 1, Issue (6), Pages 5-9, October,10 (2012)


A study of the effect of industrial effluents from oluyole industrial Area on alaro stream and a pond was carried out in August November, 2002. The physico-chemical parameters and the heavy metal concentrations of the effluents were investigated to determine their effects on the water quantity. Metals (heavy, trace and non-metals) contents of the sediments were also analysed to determine their level in the sediments. The lowest and highest mean heavy metal concentration (Cmolkg-1) in the sediment ranged between : As (0.06) and (0.10), Cd (0.01) and (0.03), Pb (0.04) and (0.10), Hg (0.03) and (0.07), Zn (0.03) and (0.08).


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