Remedial Action at the Moab Site: Now and for the Long Term Letter Report (2002) / Chapter Skim
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Appendix A: Background on the Moab Area and the Site
Appendix A: Background on the Moab Area and the Site
Pages 30-38
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From page 30... ...
Remedial Action at the Moab Site Now and for the Long Term Appendix A Background on the Moab Site and Area 30
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From page 31... ...
The Act specifically directs DOE to ask the NAS to provide technical advice and recommendations to assist DOE in objectively evaluating costs, benefits, and risks associated with remediation alternatives for the Moeb Site, including removal or treatment of radioactive or other hazardous materials at the site, ground water restoration, and long-term management of residual contaminants. The National Research Council, the chief operating arm of the NAS and the National Academy of Engineering, charged its Committee on Long-Term Institutional Management of DOE Legacy Waste Sites: Phase 2 with carrying out those tasks.
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From page 32... ...
The Colorado River flows along the southeast side of the Moab Site. Geologic features of the area were influenced by Middle Pennsylvanian to Late Triassic salt tectonics, Middle Pennsylvanian to Late Cretaceous sedimentation, Tertiary folding and faulting, and Quaternary erosion and salt dissolution.
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From page 33... ...
This surcharging caused increased pore water pressure in the tailings that allows tailings water to flow up the band drains to the surface of the tailings for subsequent evaporation [SMI 20013. Less surcharge was placed on the tailings than originally planned, resulting in slower consolidation rates and less water being brought to the surface of the impoundment than anticipatecl.
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From page 34... ...
Remedial Action at the Sorb Site Now and tar the Long Term surface of the impoundment and ~ in communion with the band dams, decmas~g the e~eness of the band drags for dewatedng [Sag 20011 Dewatedng condnues today, though at a slower rate than previously.
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From page 36... ...
Remedial Action at the Moab Site—Now and for the Long Term .
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Directions, distances, and boundaries are approximate, and the distance scale corresponds roughly to the location of the pile in the picture.
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From page 38... ...
Annual peak streamflow for the Colorado River near Cisco, Utah lUSGS 20021.
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