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Burial of Potentially Toxic Surface Mine Spoil.
Phelps LB; Saperstein LW; Wells WB; Yeung D
NTIS: PB/83-136051 :343 pages
A method is presented for the burial of potentially toxic spoil in high-density zones or packages within spoil piles. Such burial could reduce the outflow of pollutants and thus minimize contamination of ground water flows. Laboratory model studies using ammonium bromide tracer were performed to quantify the expected outflow mixing that could be achieved through package construction in spoils. Field drilling and geophysical density logging of spoils was carried out at three sites in Pennsylvania and Ohio to obtain a range of field spoil bulk-density measurements and spoil samples. These data are analyzed to determine the relationships between spoil density and the controlling factors of lithology, depth, age, particle size distribution, and mining method. A separate series of spoil permeability tests were performed in the laboratory to investigate the relationship between permeability and its related parameters. Research results are applied to the toxic package method to suggest guidelines for package size, shape, density, and placement for future field prototype development.
CP; Final Contract Report;
NTIS Accession No.
Pennsylvania State Univ.
Page last reviewed: November 12, 2021
Content source: National Institute for Occupational Safety and Health Education and Information Division