(A Peer Review Journal)
e–ISSN: 2408–5162; p–ISSN: 2048–5170


Pages: 234-238
D. M. Musa M. Sadiya, M. A. Yusuf , Y. I. Garba, and E. B. Gimba

keywords: Contamination, heavy metals, industries, effluents, water, soil


The paper aimed at assessing the contamination of soil and water by heavy metals from industrial effluents around Bompai industrial area in Kano metropolis. Soil and water samples were collected from the stream where the industries discharged their effluents. The samples were analyzed for Zn, Ni, Pb, Co and Mn using Atomic Absorption Spectrophotometer (AAS). The results of the analysis in mg/kg for soil show the range of detectable values as Zn (2.78 – 5.55) with Mean value of 3.61; Ni (7.69 – 19.23) with average value of 11.53; Pb (8.69 – 23.91) with mean value of 14.78; Co (5.76 – 15.38) with average value of 9.99; Mn (30 – 112.5) with mean value of 78. The range of detectable values in mg/l for heavy metals in water samples were Zn (0.06 – 0.11) with average value of 0.08; Ni (0.15 – 0.38) with mean value of 0.26; Pb (0.08 – 0.13) with mean value of 0.09; Co (0.03 – 0.11) with average value of 0.07; Mn (0.05 – 0.15) with mean value of 0.1. There was no contamination of soil and water across the study area by the target heavy metals except in water sample 2 where suspected contamination by Pb was observed. Although, the soil and water appeared to be free from contamination by the target heavy metals, the water should not be used for domestic purposes and the soil should not be used for cultivation of food crops until further research on analysis of other chemical and physical parameters on the soil and water across the study area is conducted and ascertain that the water and soil are free from all the toxic chemical and physical parameters. Hence further research on other chemical and physical parameters is recommended.


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