Studies on arsenic rich mine dumps: III. Effect on the river water
- 1 November 1996
- journal article
- research article
- Published by Taylor & Francis in Journal of Environmental Science and Health . Part A: Environmental Science and Engineering and Toxicology
- Vol. 31 (10) , 2547-2555
- https://doi.org/10.1080/10934529609376509
Abstract
The effect of arsenic rich abandoned mine dumps on the adjacent river was studied. Soil at the mine dumps contained (mean levels in mg/g) As 9.53, Cu 0.54, Ni 0.97, Co 0.08, Mn 0.84, Pb 0.34 and Zn 033. The total dissolved elemental concentration in the river was high near the mine dump compared with upstream and levels gradually decreased along the downstream. The river water sampled next to the mine dumps during the rainy season had pH 5.67. The sample contained SO4 2‐ 1.59, As 0.025, Cu 0.072, Ni 0.042, ?η 0.057 and Pb 0.010 (ppm).Keywords
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