Measurement of the Amount of Poisonous Lead, Cadmium and Iron in the Top Layer Soil of Ori-Ile Battery Waste Dumpsite and Surrounding Areas at Olodo, Ibadan, Nigeria


The occurrence of some metals in the soil is very important, either in small quantities (micro-nutrients) or in very great amount (macro-nutrients), for the growth of plants, who are the primary producers of food for all living things. As good as this is, occurence of some other metals called heavy metals, are very poisonous at certain concentrations. The poisonous metals are usually the non-important ions in ecological systems. This study has shown that it is possible for some of these poisonous metals to be in the soil of the environments around a waste dumpsite, which can lead to various health effects on the living things around such areas including humans.


This study is important as it exposes the possibility of occurrence of these toxic heavy metals in very great concentrations within the topsoil layer of such communities that are within the fringes of waste dumpsite as the one in this study. This knowledge is very important to survival and good health of residents of such communities and informative to policy makers in the state where such exists.

Author Comments

Dr Afolayan A, PhD
Dr Afolayan A, PhD
National Center for Genetic Resources and Biotechnology (NACGRAB)
Ecology and Environmental Biology
Ibadan, oyo | Nigeria
This article is a baseline study, which is highly informative about the effect of indiscriminate disposal of toxic wastes to the environment, on the inhabitants of such environments. Some of the health effects of exposure to some of these metals mentioned in this article is due to continuous ignorant interactions of the people with consumables originating from polluted soil such as the one in this article. This article is a warning of possibility of outbreak of health issue among the residents of Olodo community as a result of the exposure to toxic heavy metals from the waste dumpsite. Dr Afolayan A, PhD

Accumulation of Lead, Cadmium and Iron in Topsoil of Ori-Ile Battery Waste Dumpsite and Surrounding Gradient Point Areas at Olodo, Ibadan, Nigeria

International Journal of Mineral Processing and Extractive Metallurgy

Afolayan Adedotun Onoyinka, Hassan Amusat Titilayo. Accumulation of Lead, Cadmium and Iron in Topsoil of Ori-Ile Battery Waste Dumpsite and Surrounding Gradient Point Areas at Olodo, Ibadan, Nigeria. International Journal of Mineral Processing and Extractive Metallurgy. Vol. 2, No. 5, 2017, pp. 68-7

The disposal of waste is proving to be a major public health issue and a vital factor affecting the quality of the environment especially in the developing countries. Battery waste consists of toxic heavy metals and its incongruous disposal on the Ori-Ile battery waste dumpsite at Olodo, Ibadan has elicited public health concerns. This study was designed to determine the concentration of lead (Pb), cadmium (Cd) and iron (Fe) within the topsoil of Ori-Ile battery waste dumpsite and surrounding gradient point areas at Olodo, Ibadan, Nigeria. An auto-battery Waste Dumpsite (WD), Ori-Ile, Olodo was purposively selected for the study. One hundred and thirty six (136) soil samples were collected every two months (March 2008 to July 2009) from the waste dumpsite and along the along North, South, East and West (N, S, E, W) directions at 5 m intervals from the edge of the wastedump site. Control soil samples were collected from Moor Plantation (MP), Ibadan. All soil samples collected were analyzed for Pb, Cd, and Fe. Mean concentrations of Pb, Cd and Fe concentration (mg/kg) in topsoil from the waste dumpsite was Pb: 4273.8±1436.7, Cd: 258.4±123.1, Fe: 7910.0±791.5 while that from North was Pb: 4693.8±1107.9, Cd: 274.3±94.8, Fe: 8346.7±740.0; South was Pb: 4353.3±867.0, Cd: 255.2±71.4, Fe: 8189.6± 603.5; East was Pb: 4351.3±832.9, Cd: 248.2±65.6, Fe: 8130.0±639.5; West was Pb: 4698.3±1020.8, Cd: 278.4±86.9, Fe: 7851.3±676.8 respectively. These were significantly higher than values obtained from the reference soil (157.0±39.8, 2.2±1.2, 976.3±353.9 mg/kg respectively) and National Environmental Standard Regulation Agency (NESREA) limits (164mgPb/kg and 50mgCd/kg). Also, soil contamination factor values obtained were greater than 6 and this indicated severe contamination. Overall, these results have shown that the levels of Pb, Cd and Fe in all sampled topsoil were several folds above the limits set by NESREA. High accumulation of heavy metals was found in the topsoil of Ori-Ile battery waste dumpsite, Olodo, Ibadan and its surroundings and this could lead to further contamination of surface water, ground water and living organisms within this polluted sites. The health of all living biota within the area could also be negatively impacted.
October 2017
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