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Environmental Pollution Levels of Lead and Zinc in Ishiagu and Uburu Communities of Ebonyi State, Nigeria


Water and soil samples from the area were therefore analyzed for their lead and zinc content. Computation of pollution statuses of lead and zinc revealed topsoil lead geoaccumulation indices of −0.143 and −0.069 and zinc geoaccumulation indices of 1.168 and 0.713 for Ishiagu and Uburu respectively. The pollution indices were determined to be 0.499 and 0.3564 for soil in Ishiagu and Uburu respectively and also 5.11 and 2.42 for water in Ishiagu and Uburu communities respectively. Water/soil concentration ratio were found to be 0.0018 and 0.0014 for lead in Ishiagu and Uburu respectively. On the other hand, the water/soil concentration ratio for zinc was computed to be 0.001 and 0.0008 for Ishiagu and Uburu respectively. These results seem to suggest that the pollution of the environment by these heavy metals in the areas were as a result of the water being contaminated by lead and zinc not necessarily their concentrations in the soil.

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Correspondence to Obinna A. Oje.

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Oje, O.A., Uzoegwu, P.N., Onwurah, I.N.E. et al. Environmental Pollution Levels of Lead and Zinc in Ishiagu and Uburu Communities of Ebonyi State, Nigeria. Bull Environ Contam Toxicol 85, 313–317 (2010).

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  • Lead
  • Zinc
  • Geoaccumulation index
  • Pollution index
  • Water/soil concentration ratio