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Sediment and radionuclide transport in rivers. Phase 3. Field sampling program for Cattaraugus and Buttermilk Creeks, New York

Description: A field sampling program was conducted on Cattaraugus and Buttermilk Creeks, New York during April 1979 to investigate the transport of radionuclides in surface waters as part of a continuing program to provide data for application and verification of Pacific Northwest Laboratory's (PNL) sediment and radionuclide transport model, SERATRA. Bed sediment, suspended sediment and water samples were collected during unsteady flow conditions over a 45 mile reach of stream channel. Radiological an… more
Date: August 1, 1982
Creator: Ecker, R. M.; Walters, W. H. & Onishi, Y.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Research and development activities Waste Fixation Program. Quarterly progress report, January--March 1977

Description: Research and Development activities of the Waste Fixation Program for January through March 1977 are described in this report. The objective of this program is to develop processes to convert high-level radioactive liquid waste (HLLW) to solid forms that are demonstrated to be physically, chemically, and radiolytically stable and inert. Several significant results were obtained during this reporting period.
Date: November 1, 1977
Creator: McElroy, J.L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Plutonium and Americium Concentration Along Fresh-Water Food Chains of the Great Lakes, U. S. A. Progress Report, July 1976--September 30, 1977

Description: The primary purpose of studying the biogeochemical behavior of transuranic radionuclides in large freshwater lakes began with studies of the distribution of these radionuclides, essentially introduced from the fallout of atmospheric nuclear weapons tests, in Lake Ontario. The recognition that an additional source of supply of these nuclides to Lake Ontario (subsequent to their release into Lake Erie) existed in the form of leakage from the Nuclear Fuel Services reprocessing plant at Springville… more
Date: January 1, 1977
Creator: Bowen, V. T.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Total and spontaneous fission half-lives for americium and curium nuclides

Description: The long-lived nuclides of the americium curium elements are of interest for their use in certain safeguard applications and for nuclear reactor burnup studies in waste management. Recommended values are presented for /sup 241,242m,243/Am, and for /sup 242,243,244,245,246,247,248,250/Cm. These values result from a consistent evaluation of all these half-lives. These preliminary estimates were presented earlier. The uncertainties are provided at the 95% confidence limit for each of the recommend… more
Date: January 1, 1985
Creator: Holden, Norman E.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Sediment and radionuclide transport in rivers. Phase 2. Field sampling program for Cattaraugus and Buttermilk Creeks, New York

Description: As part of a study on sediment and radionuclide transport in rivers, Pacific Northwest Laboratory (PNL) is investigating the effect of sediment on the transport of radionuclides in Cattaraugus and Buttermilk Creeks, New York. A source of radioactivity in these creeks is the Western New York Nuclear Service Center which consists of a low-level waste disposal site and a nuclear fuel reprocessing plant. Other sources of radioactivity include fallout from worldwide weapons testing and natural backg… more
Date: April 1, 1982
Creator: Walters, W. H.; Ecker, R. M. & Onishi, Y.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Migration of actinide elements in representative US soils

Description: Diffusion data indicate the Am, Cm, and Np migrate 1.2, 0.8, and 26 centimeters, respectively, in a thousand years. Thus, excluding mass transport by moving water or wind, actinide elements, such as Cm, Am, and Np that find their way to the soil-squatic environment are relatively immobile. Measured diffusion coefficients, corrected for distribution between the aqueous and soil phases, tortuosity, negative absorption, and relative fluidity are in reasonable agreement with aqueous diffusion coeff… more
Date: January 1, 1981
Creator: Sheppard, J.C.; Campbell, M.J.; Kittrick, J.A. & Hardt, T.L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Status report on LWR spent fuel IAEA leach tests

Description: Spent light-water-reactor (LWR) fuel with an average burnup of 28,000 MWd/MTU was leach-tested at 25/sup 0/C using a modified version of the International Atomic Energy Agency procedure. Leach rates were determined from tests conducted in five different solutions: deionized water, sodium chloride (NaCl), sodium bicarbonate (NaHCO/sub 3/), calcium chloride (CaCl/sub 2/) and Waste Isolation Pilot Plant B brine solutions. Elemental leach rates are reported based on the release of /sup 90/Sr + /sup… more
Date: March 1, 1980
Creator: Katayama, Y.B.; Bradley, D.J. & Harvey, C.O.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Radiation damage studies related to nuclear waste forms

Description: Much of the previously reported work on alpha radiation effects on crystalline phases of importance to nuclear waste forms has been derived from radiation effects studies of composite waste forms. In the present work, two single-phase crystalline materials, Gd/sub 2/Ti/sub 2/O/sub 7/ (pyrochlore) and CaZrTi/sub 2/O/sub 7/ (zirconolite), of relative importance to current waste forms were studied independently by doping with /sup 244/Cm at the 3 wt % level. Changes in the crystalline structure me… more
Date: December 1, 1981
Creator: Gray, W.J.; Wald, J.W. & Turcotte, R.P.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Transuranium Processing Plant semiannual report of production, status, and plans for period ending June 30, 1977

Description: During the period January 1, 1977, through June 30, 1977, the following amounts of transuranium elements were recovered from 12 irradiated HFIR targets: 0.1g /sup 243/Am, 21g /sup 244/Cm, 29.5 mg /sup 249/Bk, 288 mg /sup 252/Cf, 1.48 mg /sup 253/Es, and 0.7 pg /sup 257/Fm. One batch of high-purity /sup 248/Cm (approximately 50 mg) was separated from /sup 252/Cf. Twenty-three shipments were made from TRU during the period; recipients and the amounts of nuclides are tabulated. Five HFIR targets, … more
Date: December 1, 1977
Creator: King, L. J.; Bigelow, J. E. & Collins, E. D.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Kilogram-scale purification of americium by ion exchange

Description: Sequential anion and cation exchange processes have been used for the final purification of /sup 241/Am recovered during the reprocessing of aged plutonium metallurgical scrap. Plutonium was removed by absorption of Dowex 1, X-3.5 (30 to 50 mesh) anion exchange resin from 6.5 to 7.5 M HNO/sub 3/ feed solution. Following a water dilution to 0.75 to 1.0 M HNO/sub 3/, americium was absorbed on Dowex 50W, X-8 (50 to 100 mesh) cation exchange resion. Final purification was accomplished by elution of… more
Date: January 1, 1979
Creator: Wheelwright, E. J.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Economic Radioisotope Thermoelectric Generator (RTG) study. Volume I. ERTG design. Final report

Description: The objectives of this study were: (1) to develop and evaluate an ERTG design for a high power, Curium-244 fueled system based on the tubular thermoelectric module technology; (2) to prepare a program plan for the development of a flight qualified ERTG; and (3) to estimate the costs associated with the production of one, ten and twenty flight qualified ERTG's. This volume presents the Reference Design ERTG approach, the results of the engineering trade studies leading to its selection, and the … more
Date: December 1, 1973
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Economic Radioisotope Thermoelectric Generator (RTG) study. Volume II. Development plan. Final report

Description: The objectives of this study were: (1) to develop and evaluate an ERTG design for a high power, Curium-244 fueled system based on the tubular thermoelectric module technology; (2) to prepare a program plan for the development of a flight qualified ERTG; and (3) to estimate the costs associated with the production of one, ten and twenty flight qualified ERTG's. This volume summarizes the program plan for developing and producing flight qualified ERTG's. The information presented explains what wi… more
Date: December 1, 1973
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Pilot scale, alpha disassembly and decontamination facility at the Savannah River Laboratory

Description: An alpha-contained pilot facility is being built at the Savannah River Laboratory (SRL) for research into the disassembly and dcontamination of noncombustible, Transuranic (TRU) waste. The design and program objectives for the facility are presented along with the initial test results from laboratory scale decontamination experiments with Pu-238 and Cm-244.
Date: January 1, 1982
Creator: Cadieux, J. R.; Becker, G. W., Jr.; Richardson, G. W. & Coogler, A. L.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Americium and curium total half-lives and for the spontaneous fission branch

Description: The long-lived nuclides of the americium and curium elements are of interest for their use in certain safeguard applications and for nuclear reactor burnup studies in waste management. Recommended values are presented for /sup 241,242m,243/Am, and for /sup 242,243,244,245,246,247,248,250/Cm. These values result from a consistent evaluation of all these half-lives. These preliminary estimates were presented earlier. The uncertainties are provided at the 95% confidence limit for each of the recom… more
Date: January 1, 1985
Creator: Holden, Norman E.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Identification of colloids in nuclear waste glass reactions

Description: Characterization data for particulates formed under a variety of laboratory leaching conditions that simulate glass reaction in a repository environment are presented. Data on the particle size distributions and filterable fractions for neptunium, plutonium, americium, and curium were obtained by filtrations through a series of filters with pore sizes ranging from 1 {mu}m to 3.8 nm. The neptunium was found to be largely nonfilterable. Americium and plutonium were associated with filterable part… more
Date: January 1, 1991
Creator: Cunnane, J.C. & Bates, J.K.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Neutron multiplicities for the transplutonium nuclides

Description: This paper continues, with respect to the transplutonium nuclides, earlier efforts to collate and evaluate data from the scientific literature on the prompt neutron multiplicity distribution from fission and its first moment <nu> = ..sigma..nuPnu. The isotopes considered here for which P/sub nu/ and or <nu> data (or both) were found in the literature are of americium (Am), curium (Cm), berkelium (Bk), californium (Cf), einsteinium (Es), fermium (Fm), and nobelium (No).
Date: January 1, 1985
Creator: Holden, N. E. & Zucker, M. S.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Detection and speciation of transuranium elements in synthetic groundwater via pulsed-laser excitation

Description: High sensitivity methods for detection and speciation of complexed transuranium ions in synthetic basalt groundwater, and simplified analogs, are being developed which exploit advances in pulsed laser technology. The first demonstration of high sensitivity detection of a transuranium ion at temperatures significantly above ambient is reported using laser photoacoustic spectroscopy (LPAS). The existence of enhanced LPAS signal amplitudes with increasing temperature in aqueous solution is confirm… more
Date: January 1, 1987
Creator: Beitz, J. V.; Bowers, D. L.; Doxtader, M. M.; Maroni, V. A. & Reed, D. T.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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A regulatory analysis on emergency preparedness for fuel cycle and other radioactive material licensees: Final report

Description: The question this Regulatory Analysis sought to answer is: should the NRC impose additional emergency preparedness requirements on certain fuel cycle and other radioactive material licensees for dealing with accidents that might have offsite releases of radioactive material. To answer the question, we analyzed potential accidents for 15 types of fuel cycle and other radioactive material licensees. An appropriate plan would: (1) identify accidents for which protective actions should be taken by … more
Date: January 1, 1988
Creator: McGuire, S.A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Prompt neutron multiplicities for the transplutonium nuclides

Description: The direct determination of the average prompt neutron emission values is reviewed, and a method of comparing different sites of neutron emission multiplicity distribution values is described. Measured and recommended values are tabulated for these nuclides: /sup 241/Am, /sup 242/Am, /sup 242/Cm, /sup 243/Cm, /sup 244/Cm, /sup 246/Cm, /sup 247/Cm, /sup 248/Cm, /sup 250/Cm, /sup 245/Cm, /sup 249/Bk, /sup 246/Cf, /sup 249/Cf, /sup 250/Cf, /sup 252/Cf, /sup 254/Cf, /sup 251/Cf, /sup 253/Es, /sup 2… more
Date: January 1, 1985
Creator: Holden, N. E. & Zucker, M. S.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Survey of LWR environmental control technology performance and cost

Description: This study attempts to establish a ranking for species that are routinely released to the environment for a projected nuclear power growth scenario. Unlike comparisons made to existing standards, which are subject to frequent revision, the ranking of releases can be used to form a more logical basis for identifying the areas where further development of control technology could be required. This report describes projections of releases for several fuel cycle scenarios, identifies areas where al… more
Date: March 1, 1980
Creator: Heeb, C. M.; Aaberg, R. L.; Cole, B. M.; Engel, R. L.; Kennedy, W. E., Jr. & Lewallen, M. A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Airborne radioactive effluent study at the Savannah River Plant

Description: Under the Clean Air Act, Sections 112 and 122 as amended in 1977, the Office of Radiation Programs (OPR) of the United States Environmental Protection Agency is currently developing standards for radionuclides emitted to the air by several source categories. In order to confirm source-term measurements and pathway calculations for radiation exposures to humans offsite, the ORP performs field studies at selected facilities that emit radionuclides. This report describes the field study conducted … more
Date: July 1, 1984
Creator: Blanchard, R.L.; Broadway, J.A.; Sensintaffar, E.L.; Kirk, W.P.; Kahn, B. & Garrett, A.J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Environmental monitoring at Argonne National Laboratory. Annual report for 1978

Description: The results of the environmental monitoring program at Argonne National Laboratory for 1978 are presented and discussed. To evaluate the effect of Argonne operations on the environment, measurements were made for a variety of radionuclides in air, surface water, Argonne effluent water, soil, grass, bottom sediment, and foodstuffs; for a variety of chemical constituents in air, surface water, and Argonne effluent water; and of the environmental penetrating radiation dose. Sample collections and … more
Date: March 1, 1979
Creator: Golchert, N W; Duffy, T L & Sedlet, J
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Assay of long-lived radionuclides in low-level wastes from power reactors

Description: The 10 CFR Part 61 waste classification system includes several nuclides which are difficult to assay without expensive radiochemical methods. In order for waste generators to classify wastes practically, NRC Staff has recommended the use of correlation factors to scale the difficult-to-measure nuclides with nuclides which can be measured more easily (i.e., gamma emitters such as /sup 60/Co or /sup 137/Cs). In this study, Science Applications International Corporation (SAIC) performed complete … more
Date: April 1, 1985
Creator: Cline, J.E.; Noyce, J.R.; Coe, L.J. & Wright, K.W.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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