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in subjects: "Selenium Isotopes"  
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Element/Target-Dependent Release Times and Release Efficiencies for the Proposed OREB Facility

Description: Experiments have been initiated which are designed to measure the time release characteristics of stable ion implanted species from selected refractory target materials which are potential candidates for forming radioactive beans at the proposed Oak Ridge Exotic Beam Facility. In this report, we provide thermal time release data and estimates of the efficiencies for releasing Cl from Zr{sub 5}Si{sub 3} and {sup 75}As, {sup 79}Br, and {sup 78}Se from Zr{sub 5}Ge{sub 3}. 14 refs., 1 fig., 1 tab.
Date: January 1, 1991
Creator: Alton, G. D.; Jones, C. M.; Olsen, D. K.; Carter, H. K. & Kormicki, J.
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Partner: UNT Libraries Government Documents Department
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The use of AMS to the biomedical sciences

Description: The Center for Accelerator Mass Spectroscopy (AMS) began making AMS measurements in 1989. Biomedical experiments were originally limited by sample preparation techniques, but we expect the number of biomedical samples to increase five-fold. While many of the detailed techniques for making biomedical measurements resemble those used in other fields, biological tracer experiments differ substantially from the observational approaches of earth science investigators. The role of xenobiotius in init… more
Date: April 1, 1991
Creator: Vogel, J.S.
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Partner: UNT Libraries Government Documents Department
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Long-term uncertainty in radiological performance assessments of low-level waste facilities at Savannah River Site

Description: Radiological performance assessments are being conducted for the Saltstone Disposal Facility and the E-Area Vaults at the Savannah River Site near Aiken, South Carolina. Saltstone is a solidified waste form which will contain very low levels of radionuclides but considerable levels of nitrate. The E-Area Vaults will contain solid, radioactively contaminated waste. Preliminary results of the assessments indicate that adequate performance will be very sensitive to the degradation scenario adopted… more
Date: January 1, 1991
Creator: McDowell-Boyer, L.M.
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Partner: UNT Libraries Government Documents Department
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Application of nondestructive assay technology in Oak Ridge National Laboratory's waste management program

Description: Waste characterization is the process whereby physical properties and chemical composition of waste are determined. Waste characterization is an important element of a waste certification program in that it provides information which is necessary to certify that waste meets the acceptance criteria for storage, treatment, or disposal. Department of Energy (DOE) Order 5820.2A and WIPP-DOE-069 list and describe the germane waste form, package, and container criteria for the storage of both solid l… more
Date: January 1, 1990
Creator: Schultz, F. J.; Smith, M. A.; Brandenburg, R. W.; Caylor, B. A.; Coffey, D. E.; Hensley, D. C. et al.
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Partner: UNT Libraries Government Documents Department
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