Abstract
Fly ash has been used to fill an abandoned open cast mine. Ground water samples were collected from the periphery of the ash-filled mine, from within the mine property, and a half kilometer away from the site; the pH and concentrations of total dissolved solids, total hardness, Ca, Mg, Cl, SO4, F, K, Cu, Cd, Cr, Fe, Pb, Zn, Mn, and Ni were determined. Concentrations of F and Mn were significantly greater in the ground water collected at the ash-filled mine than in the uncontaminated area, and are potentially a matter of concern. The other parameters were found to be affected but not at problematic levels.
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Acknowledgments
The authors thank the Ministry of Coal, Government of India for funding this investigation and the Director of the Central Institute of Mining and Fuel Research Institute, Dhanbad for his support during the investigation period.
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An erratum to this article can be found at http://dx.doi.org/10.1007/s10230-008-0043-7
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Prasad, B., Mondal, K.K. The Impact of Filling an Abandoned Open Cast Mine with Fly Ash on Ground Water Quality: A Case Study. Mine Water Environ 27, 40–45 (2008). https://doi.org/10.1007/s10230-007-0021-5
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DOI: https://doi.org/10.1007/s10230-007-0021-5