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Distribution and Movement of Zinc and Other Heavy Metals in South San Francisco Bay, California

Description: From introduction: The primary objective of this study was to determine the net transport of zinc into the study area from urbanized perimeter, out of the study area across the northern boundary of the study area, and across the sediment-water interface within the study area, all within a limited time period. A secondary objective was to assemble as much data on other trace metals--their concentrations and chemical states in water, suspended solids, sediments and interstitial fluids--as possible within the time and funding constraints of the study in order to describe the existing trace metal conditions in the south bay. Thus the bulk of effort was directed toward evaluating the distribution and movements of zinc, but the data collected on the distribution and movements of zinc, but the data collected on the distribution of other metals is important and is reported here.
Date: February 1976
Creator: Bradford, Wesley L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Feasibility of Digital Water-Quality Modeling Illustrated by Application at Barstow, California

Description: Abstract: A digital water-quality model of the shallow alluvial aquifer near Barstow was evaluated to determine the applicability of the model computer program to varied hydrolic problems. The evaluation was made on the basis of the data requirements of the model, the characteristics and limitations of the model computer program, the relevance of the model results, and the computer costs associated with the model. Two-well tracer-dilution tests may not be a workable means of determining the aquifer dispersivity and porosity for use in a water-quality model with a large grid interval is under consideration because of the relative insensitivity of such a model to dispersivity. The model results were relevant to the real-life head and water-quality conditions in the aquifer near Barstow and provided an excellent means of evaluating the cause and effect relations associated with ground-water pollution.
Date: February 1974
Creator: Robson, S. G.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Foundation Grouting Practices at Corps of Engineers Dams

Description: The purpose of the assessment is to provide background information on the Corps' practices, identify shortcomings in specifications, estimates, grout placement techniques, and, in general, to determine the effectiveness of the Corps' grouting programs. The report reviews past grouting projects and describes the planning, execution, and performance evaluation of the programs.
Date: October 1984
Creator: Albritton, John; Jackson, Lawson & Bangert, Robert
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Isabella Dam Spillway, Kern River, California: Hydraulic Model Investigation

Description: Abstract: "Tests were conducted on a 1:50-scale model of Isabella Dam Spillway to determine the adequacy of proposed spillway, dam, and channel improvements. The model reproduced an area of the reservoir 800 ft wide by 1,100 ft long, the spillway, and the entire length of the exit channel. Unsatisfactory flow conditions were observed in the vicinity of the spillway crest due to approach conditions to the spillway. Large cross waves, present in the exit channel just downstream of the spillway, resulted in occasional overtopping of the right wall. A grouted rock dike that provided satisfactory flow conditions at the spillway and downstream throughout the exit channel was placed adjacent to the existing spillway approach wall."
Date: August 1987
Creator: Davis, W. G.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Low-Cost Photovoltaic Cell Mount Study

Description: From abstract: This report is a technical and economic evaluation of five representative cell laydown techniques with the final goal being a determination of which was most promising from a cost performance basis.
Date: March 1980
Creator: Motorola, inc. Government Electronics Division.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Preliminary Seal Design Evaluation for the Waste Isolation Pilot Plant

Description: From abstract: This report presents a preliminary evaluation of design concepts for the eventual sealing of the shafts, drifts, and boreholes at the Waste Isolation Pilot Plant Facility. The purpose of the seal systems is to limit the flow of water into, through, and out of the repository.
Date: March 1988
Creator: Stormont, J. C.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Reactor Safety Study: An Assessment of Accident Risks in U.S. Commercial Nuclear Power Plants, Appendix 1

Description: From introduction: In conventional safety analyses, a suitable design basis, including redundancy, is specified to assure a minimum level of operability of ESFs, and the likelihood or consequences of total failure of ESFs are not considered further. In this study all failures are considered possible, but appropriate probabilities are assigned to them. Thus, many potential accident sequences are described in the following discussions as if they will surely occur, with no reservations expressed as to their likelihood or significance. However, most of these sequences have such low probability that they do not contribute to the overall risk from reactor accidents. In fact, in order to make an overall risk assessment, a major task of this study was to identify the sequences that are the dominant contributors to risk. In this study the initial failures or initiating events that could lead to significant consequences were examined to varying degrees. Those that seemed to contribute significantly to potential risks were analyzed in considerable detail; those that did not, received less detailed consideration. This is discussed more fully in section 3 of this appendix.
Date: October 1975
Creator: U.S. Nuclear Regulatory Commission
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Reactor Safety Study: An Assessment of Accident Risks in U.S. Commercial Nuclear Power Plants, Appendices 3 and 4

Description: From section 1: In the quantitative system probability estimates performed in this study, component behavior data in the form of failure rates and repair times are required as inputs to the system models. Since the goal of this study is risk assessment, as opposed to reliability analysis, larger errors (e.g. order of magnitude type accuracy) can be tolerated in the quantified results. This has important implications on the treatment of available data. In standard reliability analysis, point values (i.e., "best-estimates") are generally used for both data and results in quantifying the system model. In risk assessment, since results accurate to about an order of magnitude are sufficient, data and results using random variable and probabilistic approaches, can be usefully employed. The base of applicable failure rate data is thus significantly broadened since data with large error spreads and uncertainties can now be utilized. The data and associated material that were assembled for use in this study and that are presented here are to be used in the random variable framework (which will be described). The data and the accompanying framework are deemed sufficient for the study's needs. Care must be taken, however, since this data may not be sufficiently detailed, or accurate enough for use in general quantitative reliability models.
Date: October 1975
Creator: U.S. Nuclear Regulatory Commission
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Federal/State Regulatory Permitting Actions in Selected Nuclear Power Station Licensing Cases

Description: Abstract: This report documents the Federal/State regulatory permitting actions in 12 case histories of nuclear power station licensing in nine different states. General observations regarding Federal/State siting roles in the siting process include: new regulations, with the exceptions of those imposed by NEPA, were not found to be the source of significant delay; interventions were the sources of significant delay in only two cases; in only two cases was a local agency a source of delay; no one factor was found to be a source of delay, rather several factors often combined to cause delay; it is still too early to assess the influence of State power plant siting laws on the licensing process; clarification of the word "delay" is needed; water related issues predominate in State permitting requirements associated with delay; generalizations on the sources and nature of delay in the licensing process are difficult to make because of site specific characteristics; and frequently problems outside the Federal/State realm have had, or can have, a delaying effect on the process. Eleven of the case histories are illustrated with a logic network that gives the actions of the utilities in addition to the Federal/State permits.
Date: June 1977
Creator: U.S. Nuclear Regulatory Commission. Office of State Programs.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Health and Safety Laboratory Environmental Quarterly Report: October 1, 1977, Appendix

Description: Report that presents information regarding chemical and radioactive pollution in the world. This appendix includes a quarterly report of the deposition of strontium-90 and measurements of radionuclides and lead in surface air, milk, and tapwater. Includes a table of radionuclides.
Date: October 1, 1977
Creator: HASL (New York, N.Y.)
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Chemical Engineering Division Research Highlights 1978

Description: Report of activities at Argonne Chemical Engineering Division, including lithium/metal sulfide batteries, electro-chemical project management, advanced fuel cell development, utilization of coal, magnetohydrodynamics, solar energy, fast reactor chemistry, and fuel cycles.
Date: 1978
Creator: Argonne National Laboratory. Chemical Engineering Division.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Radiological and Environmental Research Division Annual Report: Part 4, Atmospheric Physics, January-December 1982

Description: Annual report of the Argonne National Laboratory Radiological and Environmental Research Division regarding activities related to atmospheric physics. This report discusses research on acid rain.
Date: January 1984
Creator: Argonne National Laboratory. Radiological and Environmental Research Division.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

ANL/HTP: A Computer Code for the Simulation of Heat Pipe Operation

Description: ANL/HTP is a computer code for the simulation of heat pipe operation, to predict heat pipe performance and temperature distributions during steady state operation. Source and sink temperatures and heat transfer coefficients can be set as input boundary conditions, and varied for parametric studies. Five code options are included to calculate performance for fixed operating conditions, or to vary any one of the four boundary conditions to determine the heat pipe limited performance. The performance limits included are viscous, sonic, entrainment capillary, and boiling, using the best available theories to model these effects. The code has built-in models for a number of wick configurations - open grooves, screen-covered grooves, screen-wrap, and arteries, with provision for expansion. The current version of the code includes the thermophysical properties of sodium as the working fluid in an expandable subroutine. The code-calculated performance agrees quite well with measured experiment data.
Date: November 1983
Creator: McLennan, G. A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Radiological and Environmental Research Division Annual Report: Part 4, Atmospheric Physics, January-December 1980

Description: Annual report of the Argonne National Laboratory Radiological and Environmental Research Division regarding activities related to atmospheric physics. This report discusses research activities on the transport, removal and, to a lesser extent, transformation of pollutants in the lower atmosphere.
Date: August 1981
Creator: Argonne National Laboratory. Radiological and Environmental Research Division.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

Chemical Engineering Division Research Highlights 1979

Description: Report of activities of Argonne Chemical Engineering Division, including advanced battery project, electro-chemical project management, advanced fuel cell development, utilization of coal, magnetohydrodynamics heat and seed recovery technology, solar energy, fast reactor chemistry research, nuclear fuel cycle studies, magnetic fusion energy research, and basic energy science.
Date: June 1980
Creator: Argonne National Laboratory. Chemical Engineering Division.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department