Inactive Uranium Mill Tailings, Vitro Site, Salt Lake City, Engineering Assessment Summary PDF Download
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Languages : en
Pages : 116
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Author:
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Languages : en
Pages : 116
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Author: Ford, Bacon & Davis Utah Inc
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Category : Radioactive waste disposal
Languages : en
Pages : 36
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Languages : en
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This report is a summary of a parent report (issued under separate cover) entitled Engineering Assessment of Inactive Uranium Mill Tailings for Vitro Site, Salt Lake City, Utah. Bacon and Davis Utah Inc. has reevaluated the Vitro site in order to revise the April 1976 assessment of the problems resulting from the existence of radioactive uranium mill tailings at Salt Lake City, Utah. This engineering assessment has included the preparation of topographic maps, the performance of core drillings and radiometric measurements sufficient to determine areas and volumes of tailings and radiation exposures of individuals and nearby populations, the investigations of site hydrology and meteorology, and the evaluation and costing of alternative corrective actions. Radon gas released from the 1.9 million tons of tailings at the Vitro site constitutes the most significant environmental impact, although windblown tailings and external gamma radiation also are factors. The four alternative actions presented in this engineering assessment range from millsite and off-site decontamination with the addition of 3 m of stabilization cover material (Option 1), to removal of the tailings to remote disposal sites, and decontamination of the tailings site (Options II through IV). Cost estimates for the four options range from about $36,400,000 for stabilization in-place, to about $91,000,000 for disposal at a distance of about 85 mi. Three principal alternatives for the reprocessing of the Vitro tailings were examined: heap leaching; treatment at an existing mill; and reprocessing at a new conventional mill constructed for tailings reprocessing. The cost of the uranium recovered would be about $200/lb by heap leach and $130/lb by conventional plant processes. Spot market price for uranium was $28.00 in November 1980. Therefore, reprocessing the tailings for uranium recovery appears to be economically unattractive at present.
Author:
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Category : Radioactive waste disposal
Languages : en
Pages :
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Author:
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Category :
Languages : en
Pages : 76
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Author:
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Category : Radioactive waste disposal
Languages : en
Pages :
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Author: United States. Energy Research and Development Administration
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Category : Radioactive waste disposal
Languages : en
Pages :
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Category :
Languages : en
Pages : 70
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Author:
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Category :
Languages : en
Pages : 106
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Author: United States. Energy Research and Development Administration
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Category : Tailings (Metallurgy)
Languages : en
Pages :
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