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Journal of Environmental Science and Technology
  Year: 2012 | Volume: 5 | Issue: 5 | Page No.: 306-318
DOI: 10.3923/jest.2012.306.318
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Contaminant Transport from Disposal Sites and Potential Impact on Groundwater

K.I. Eshiet and J.C. Agunwamba

Prediction of groundwater reserve pollution by disposal sites was carried out using the Avu dumpsite situated at Owerri-Port Harcourt expressway, Owerri, Imo state. This was achieved through the use of an analytical solution to the Advective-Dispersive solute transport model. The contaminant compounds of interest were Nitrates and Phosphates due to their hazardous nature and predominance in environmental and health problem issues. The actual concentrations of Nitrates and Phosphates were determined experimentally by obtaining samples at a regular depth interval of 0.5 m from two locations at the dumpsite and at a control location. The predicted values were compared with the actual concentration values; a statistical analysis conducted to establish the relationship between the two variables. The Product-Moment coefficient of correlation, r between the predicted concentration values and the actual concentration values are high for both Nitrate and Phosphate. In addition, an inference test was conducted which positively established the fact that the presence of the dumpsite has a significant adverse effect on the surrounding soil and water environment. The predictions showed that the groundwater reserve might be polluted by the excessive Phosphate concentration (>0.02 mg L-1), while Nitrate is within the standard for use as drinking water (>10 mg L-1).
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How to cite this article:

K.I. Eshiet and J.C. Agunwamba, 2012. Contaminant Transport from Disposal Sites and Potential Impact on Groundwater. Journal of Environmental Science and Technology, 5: 306-318.

DOI: 10.3923/jest.2012.306.318






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