Search Results

open access

Leaching study of PNL 76-68 glass beads using the LLNL continuous-flow method and the PNL-modified IAEA method. Final report

Description: Lawrence Livermore National Laboratory (LLNL) has conducted a long-term single-pass continuous-flow (SPCF) leaching test of the glass waste form PNL 76-68. Leaching rates of Np, Pu, and various stable elements were measured at 25/sup 0/ and 75/sup 0/C with three different solutions and three different flow rates. The purposes of the study were: (1) to compare SPCF leaching results with the results of a modified IAEA leach test performed by Pacific Northwest Laboratories (PNL); (2) to establish … more
Date: August 20, 1982
Creator: Buddemeier, R. W.; Coles, D. G.; Mensing, R. W.; Rego, J. & Weed, H. C.
Partner: UNT Libraries Government Documents Department
open access

Site 300 hazardous-waste-assessment project. Interim report: December 1981. Preliminary site reconnaissance and project work plan

Description: This document was prepared to outline the scope and objectives of the Hazardous Waste Assessment Project (HWAP) at Site 300. This project was initiated in October, 1981, to investigate the existing solid waste landfills in an effort to satisfy regulatory guidelines and assess the potential for ground-water contamination. This involves a site-specific investigation (utilizing geology, hydrology, geophysics and geochemistry) with the goal of developing an effective ground-water quality monitoring… more
Date: January 20, 1982
Creator: Raber, E.; Helm, D.; Carpenter, D.; Peifer, D. & Sweeney, J.
Partner: UNT Libraries Government Documents Department
open access

Comparison of the initial ETA gas propagation experiments with theoretical models

Description: This report contains a description of the initial ETA propagation experiments in air at a beam current of 4.5 kA. The beam was observed to propagate at the pressures anticipated on the basis of previous theory and experiment. A comparison of measured net current waveforms with predictions of the PHOENIX code showed good agreement over the pressure range 0.1 to 200 torr. However, the beam was observed to expand with Z at a faster rate than theory predicts. Excessive transverse beam modulation at… more
Date: April 20, 1982
Creator: Chambers, F. W.; Clark, J. C. & Fessenden, T. J.
Partner: UNT Libraries Government Documents Department
open access

Liquid-Phase Methanol Process Development Unit: Installation, Operation, and Support Studies. Technical Progress Report No. 1, 28 September 1981-31 December 1981

Description: During this period the Work Breakdown Structure Dictionary was established. Task 1 was completed with submittal of the Project Work Plan and the Quality Assurance Manual. CSI produced basic process design information and a preliminary flowsheet for the LaPorte LPMeOH PDU. APCI developed the flowsheet further and set up the process on APCI's process simulator. The flowsheet development revealed a number of major changes necessary in the existing LPM pilot plant; this has led to pursuit of a unif… more
Date: January 20, 1982
Partner: UNT Libraries Government Documents Department
open access

Estimating the Cerenkov neutron sensitivity of Suprasil (SiO/sub 2/) and Lucite (C/sub 5/H/sub 8/O/sub 2/)

Description: Fast neutrons hitting a sample of suprasil will produce light. This light is Cerenkov light produced by high energy (> .2 MeV) electrons traversing the transparent medium. Neutrons produce these electrons in a two step process. First, the neutrons inelastically scatter with either the silicon (Si) or the oxygen (O) atoms producing inelastic gamma rays. Some of these gammas, in turn, will also react producing, primarily, Compton electrons with some pair production electrons possible. The majorit… more
Date: April 20, 1982
Creator: Clark, D.
Partner: UNT Libraries Government Documents Department
open access

Radiation damping of betatron oscillations

Description: The emission of synchrotron radiation damps the incoherent betatron oscillations of a pinched beam, causing its radius to shrink. However, the rate of shrinkage is small compared with the rate of expansion caused by scattering for typical propagation parameters.
Date: April 20, 1982
Creator: Lee, Edward P.
Partner: UNT Libraries Government Documents Department
open access

SIMS and ESCA studies of possible sodium uranate precursors as related to aerosol characterization from a simulated HCDA. [LMFBR]

Description: During the main thrust of the HCDA studies, it was found that sodium uranates, especially Na/sub 3/UO/sub 4/, were formed when the Na-U-O system was subjected to high temperatures approximating those of the HCDA. Mechanisms through which these rather complicated compounds are formed remain unknown. The purpose of these SIMS and ESCA studies was to detect the formation of any precursor ion species to the sodium uranates. The ESCA results agree with theory and support the presence of U/sub 2/O/su… more
Date: September 20, 1982
Creator: Zanotelli, W. A. Jr.; Miller, G. D. & Craven, S. M.
Partner: UNT Libraries Government Documents Department
open access

Characterization of Kevlar 49 fibers by electron paramagnetic resonance. Final report, 20 May 1981-20 June 1982. [Radicals induced by ultraviolet or fracture]

Description: EPR was used to investigate the free radicals created in Kevlar 49 fibers by stress-induced and photo-induced macromolecular chain scissions. Mn/sup +2/ ions were identified from the EPR spectrum of frozen solutions of concentrated sulfuric acid containing Kevlar 49. Other ions present are Cu/sup +2/, and possibly Fe/sup +3/, Cr/sup +3/, and Ti/sup +3/. EPR lineshape anisotropy indicates that some of the metal ions and first coordinate spheres are oriented. The concentration of stress-induced r… more
Date: June 20, 1982
Creator: Brown, I.M. & Sandreczki, T.C.
Partner: UNT Libraries Government Documents Department
open access

Effect of resonance structure on 14-MeV Monte Carlo neutron transport in nitrogen and air

Description: The results of Monte Carlo calculations can be sensitive to methods used to treat cross sections. This sensitivity can be emphasized by studying one isotope of an element or material that has a resonance region. Very few naturally occurring materials exist in a mono-isotopic form, but when such a material is an important part of a problem, care should be exercised in the selection of a code to be used for the calculations. It is recommended that the ALICE code, that uses a multiband treatment f… more
Date: October 20, 1982
Creator: Plechaty, E.F.
Partner: UNT Libraries Government Documents Department
open access

Potential safety-related incidents with possible applicability to a nuclear fuel reprocessing plant

Description: The Safety Technology Group is developing methodology that can be used to assess the risk of operating a plant to reprocess spent nuclear fuel. As an early step in the methodology, a preliminary hazards analysis identifies safety-related incidents. In the absence of appropriate safety features, these incidents could lead to significant consequences and risk to onsite personnel or to the public. This report is a compilation of potential safety-related incidents that have been identified in studi… more
Date: May 20, 1982
Creator: Durant, W. S.; Perkins, W. C.; Lee, R. & Stoddard, D. H.
Partner: UNT Libraries Government Documents Department
open access

Fire-Protection Research for Energy-Technology Projects: FY 1981 year-end report

Description: This report summarizes research conducted in fiscal year 1981 for the DOE-supported project, Fire Protection Research for Energy Technology Projects. Initiated in 1977, this ongoing research program was conceived to advance fire protection strategies for Energy Technology Projects to keep abreast of the unique fire problems that are developing with the complexity of energy technology research. We are developing an analytical methodology through detailed study of fusion energy experiments at Law… more
Date: July 20, 1982
Creator: Hasegawa, H. K.; Alvares, N. J.; Lipska-Quinn, A. E.; Beason, D. G.; Foote, K. L. & Priante, S. J.
Partner: UNT Libraries Government Documents Department
open access

Development of waste packages for tuff

Description: The objective of this program is to develop nuclear waste packages that meet the Nuclear Regulatory Commission`s requirements for a licensed repository in tuff at the Nevada Test Site. Selected accomplishments for FY82 are: (1) Selection, collection of rock, and characterization of suitable outcrops (for lab experiments); (2) Rock-water interactions (Bullfrog Tuff); (3) Corrosion tests of ferrous metals; (4) Thermal modeling of waste package in host rock; (5) Preliminary fabrication tests of al… more
Date: September 20, 1982
Creator: Rothman, A.J.
Partner: UNT Libraries Government Documents Department
open access

Spent-Fuel Test-Climax: a progress report

Description: Both operational and technical objectives are being pursued at the Spent-Fuel Test-Climax (SFT-C). The principal operational objective is to demonstrate the safe and reliable packaging, handling, and storage of spent nuclear reactor fuel in a deep geologic media and to retrieve the fuel afterward. Packaging of the spent fuel at the Engine Maintenance, Assembly and Disassembly (EMAD) facility, initial emplacement 420m below surface in the Climax granitic stock, and three subsequent exchanges of … more
Date: September 20, 1982
Creator: Patrick, W. C. & Ballou, L. B.
Partner: UNT Libraries Government Documents Department
open access

Salaries and Allowances: Congress

Description: No Description Available.
Date: August 20, 1982
Creator: Dwyer, Paul E.
Partner: UNT Libraries Government Documents Department
open access

Bankruptcy and Business Failure Data

Description: The purpose of this report is to provide statistical data on the actual number of businesses that are filing for bankruptcy or ceasing operations. Tabular data of both a historical and current nature concerning business failures and bankruptcies is provided.
Date: August 20, 1982
Creator: Scott, Oscar
Partner: UNT Libraries Government Documents Department
Back to Top of Screen