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ALARA Analysis of Radiological Control Criteria Associated with Alternatives for Disposal of Hazardous Wastes
This ALARA analysis of Radiological Control Criteria (RCC) considers alternatives to continued storage of certain DOE mixed wastes. It also considers the option of treating hazardous wastes generated by DOE facilities, which have a very low concentration of radionuclide contaminants, as purely hazardous waste. Alternative allowable contaminant levels examined correspond to doses to an individual ranging from 0.01 mrem/yr to 10 to 20 mrem/yr. Generic waste inventory data and radionuclide source terms are used in the assessment. Economic issues, potential health and safety issues, and qualitative factors relating to the use of RCCs are considered.
Date:
May 15, 2002
Creator:
Aaberg, Rosanne L.; Bilyard, Gordon R.; Branch, Kristi M.; Lavender, Jay C. & Miller, Peter L.
Object Type:
Report
System:
The UNT Digital Library
Simulated Passage Through A Modified Kaplan Turbine Pressure Regime: A Supplement to "Laboratory Studies of the Effects of Pressure and Dissolved Gas Supersaturation on Turbine-Passed Fish"
Migratory and resident fish in the Columbia River basin are exposed to stresses associated with hydroelectric power production, including pressure changes during turbine passage and dissolved gas supersaturation (resulting from the release of water from the spillway). The responses of fall Chinook salmon and bluegill sunfish to these two stresses, both singly and in combination, were investigated in the laboratory. A previous test series (Abernethy et al. 2001) evaluated the effects of passage through a Kaplan turbine under the ?worst case? pressure conditions. For this series of tests, pressure changes were modified to simulate passage through a Kaplan turbine under a more ?fish-friendly? mode of operation. The results were compared to results from Abernethy et al. (2001). Fish were exposed to total dissolved gas (TDG) levels of 100%, 120%, or 135% of saturation for 16-22 hours at either surface (101 kPa) or 30 ft (191 kPa) of pressure, then held at surface pressure at 100% saturation for a 48-hour observation period. Sensitivity of fall Chinook salmon to gas supersaturation was slightly higher than in the previous test series, with 15% mortality for surface-acclimated fish at 120% TDG, compared to 0% in the previous tests.
Date:
March 15, 2002
Creator:
Abernethy, Cary S.; Amidan, Brett G. & Cada, G. F.
Object Type:
Report
System:
The UNT Digital Library
Tales From the Big Thicket
Access:
Use of this item is restricted to the UNT Community
Edited collection of writing about the Big Thicket area in Texas, including geographic descriptions, anecdotes, historical accounts, and other aspects of the people and features of the region. Index starts on page 235.
Date:
February 15, 2002
Creator:
Abernethy, Francis E.
Object Type:
Book
System:
The UNT Digital Library
Developing Intelligent Transportation Systems in an Integrated Systems Analysis Environment
We are working on developing an Integrated Systems Analysis Environment (ISAE) for application to analysis and optimization of Intelligent Transportation Systems (ITS). ISAE is based on the concept of Co-simulation, which allows the modeling of complex systems with extreme flexibility. Co-simulation allows the development of virtual ITS systems that can be analyzed and optimized as an overall integrated system. The virtual ITS system is defined by selecting different components from a component library. System component models can be written in multiple programming languages running on different computer platforms. At the same time, ISAE provides full protection for proprietary models. Co-simulation is a cost-effective alternative to competing methodologies, such as developing a translator or selecting a single programming language for all system components. Co-simulation has been recently demonstrated using an example of an automotive system. The demonstration was successfully performed. The paper describes plans on how to implement ISAE and Co-simulation to ITS, and the great advantages that this implementation would represent.
Date:
January 15, 2002
Creator:
Aceves, S. M. & Paddack, E. E.
Object Type:
Article
System:
The UNT Digital Library
University Press (Beaumont, Tex.), Vol. 79, No. 19, Ed. 1 Friday, November 15, 2002
Semiweekly newspaper from Lamar University in Beaumont, Texas that includes local, national, and campus news along with advertising.
Date:
November 15, 2002
Creator:
Achilles, Jenny
Object Type:
Newspaper
System:
The Portal to Texas History
Collaboration tools for the global accelerator network: Workshop Report
The concept of a ''Global Accelerator Network'' (GAN) has been put forward as a means for inter-regional collaboration in the operation of internationally constructed and operated frontier accelerator facilities. A workshop was held to allow representatives of the accelerator community and of the collaboratory development community to meet and discuss collaboration tools for the GAN environment. This workshop, called the Collaboration Tools for the Global Accelerator Network (GAN) Workshop, was held on August 26, 2002 at Lawrence Berkeley National Laboratory. The goal was to provide input about collaboration tools in general and to provide a strawman for the GAN collaborative tools environment. The participants at the workshop represented accelerator physicists, high-energy physicists, operations, technology tool developers, and social scientists that study scientific collaboration.
Date:
September 15, 2002
Creator:
Agarwal, Deborah; Olson, Gary & Olson, Judy
Object Type:
Report
System:
The UNT Digital Library
The Snowmass points and slopes : benchmarks for SUSY searches.
The ''Snowmass Points and Slopes'' (SPS) are a set of benchmark points and parameter lines in the MSSM parameter space corresponding to different scenarios in the search for Supersymmetry at present and future experiments. This set of benchmarks was agreed upon at the 2001 ''Snowmass Workshop on the Future of Particle Physics'' as a consensus based on different existing proposals.
Date:
April 15, 2002
Creator:
Allanach, B. C.; Battaglia, M.; Blair, G. A.; Carena, M.; De Roeck, A. & Wagner, C. E. M.
Object Type:
Article
System:
The UNT Digital Library
The Eastern Statesman (Wilburton, Okla.), Vol. 80, No. 3, Ed. 1 Friday, February 15, 2002
Biweekly student newspaper from Eastern Oklahoma State College in Wilburton, Oklahoma that includes local, state, and campus news along with advertising.
Date:
February 15, 2002
Creator:
Allder, Ayn & Cunningham, Terren
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Biomolecular Materials. Report of the January 13-15, 2002 Workshop
Twenty-two scientists from around the nation and the world met to discuss the way that the molecules, structures, processes and concepts of the biological world could be used or mimicked in designing novel materials, processes or devices of potential practical significance. The emphasis was on basic research, although the long-term goal is, in addition to increased knowledge, the development of applications to further the mission of the Department of Energy.
Date:
January 15, 2002
Creator:
Alper, M. D. & Stupp, S. I.
Object Type:
Report
System:
The UNT Digital Library
A Software Demonstration of 'rap': Preparing CAD Geometries for Overlapping Grid Generation
We demonstrate the application code ''rap'' which is part of the ''Overture'' library. A CAD geometry imported from an IGES file is first cleaned up and simplified to suit the needs of mesh generation. Thereafter, the topology of the model is computed and a water-tight surface triangulation is created on the CAD surface. This triangulation is used to speed up the projection of points onto the CAD surface during the generation of overlapping surface grids. From each surface grid, volume grids are grown into the domain using a hyperbolic marching procedure. The final step is to fill any remaining parts of the interior with background meshes.
Date:
February 15, 2002
Creator:
Anders Petersson, N.
Object Type:
Article
System:
The UNT Digital Library
Solid state device for two-wire downhole temperature measurement as a function of current. Final performance technical report
Several metals systems were reviewed for their potential to act as resistive temperature devices. Platinum metal was selected as the metal of choice. Platinum was plated onto 5 mil copper wire, and then subsequently coated with Accusol's proprietary ceramic coating. The copper was etched out in an attempt to make a pure platinum, high resistive, resistive-temperature device. The platinum plating on the wire cracked during processing, resulting in a discontinuous layer of platinum, and the element could not be formed in this way.
Date:
January 15, 2002
Creator:
Anderson, Roger & Anderson, David
Object Type:
Report
System:
The UNT Digital Library
CO-FIRING COAL, FEEDLOT, AND LITTER BIOMASS (CFB AND LFB) FUELS IN PULVERIZED FUEL AND FIXED BED BURNERS
Intensive animal feeding operations create large amounts of animal waste that must be safely disposed of in order to avoid environmental degradation. Cattle feedlots and chicken houses are two examples. In feedlots, cattle are confined to small pens and fed a high calorie grain diet in preparation for slaughter. In chicken houses, thousands of chickens are kept in close proximity. In both of these operations, millions of tons of manure are produced every year. In this project a co-firing technology is proposed which would use manure that cannot be used for fertilizer, for power generation. Since the animal manure has economic uses as both a fertilizer and as a fuel, it is properly referred to as feedlot biomass (FB) for cow manure, or litter biomass (LB) for chicken manure. The biomass will be used a as a fuel by mixing it with coal in a 90:10 blend and firing it in existing coal fired combustion devices. This technique is known as co-firing, and the high temperatures produced by the coal will allow the biomass to be completely combusted. Therefore, it is the goal of the current research to develop an animal biomass cofiring technology. A cofiring technology is being developed …
Date:
January 15, 2002
Creator:
Annamalai, Kalyan; Sweeten, John; Mukhtar, Saqib; Thien, Ben; Wei, Gengsheng & Priyadarsan, Soyuz
Object Type:
Report
System:
The UNT Digital Library
Electrical and optical properties of carbon-doped GaN grown by MBE on MOCVD GaN templates using a CCl4 dopant source
Carbon-doped GaN was grown by plasma-assisted molecular-beam epitaxy using carbon tetrachloride vapor as the dopant source. For moderate doping mainly acceptors were formed, yielding semi-insulating GaN. However at higher concentrations p-type conductivity was not observed, and heavily doped films (>5 x 10{sup 20} cm{sup -3}) were actually n-type rather than semi-insulating. Photoluminescence measurements showed two broad luminescence bands centered at 2.2 and 2.9 eV. The intensity of both bands increased with carbon content, but the 2.2 eV band dominated in n-type samples. Intense, narrow ({approx}6 meV) donor-bound exciton peaks were observed in the semi-insulating samples.
Date:
April 15, 2002
Creator:
Armitage, Rob; Yang, Qing; Feick, Henning; Park, Yeonjoon & Weber, Eicke R.
Object Type:
Article
System:
The UNT Digital Library
Nucleon momentum distributions from a modified scaling analysis of inclusive electron-nucleus scattering.
Inclusive electron scattering from nuclei at low momentum transfer (corresponding to x {ge} 1) and moderate Q{sup 2} is dominated by quasifree scattering from nucleons. In the impulse approximation, the cross section can be directly connected to the nucleon momentum distribution via the scaling function F(y). The breakdown of the y-scaling assumptions in certain kinematic regions have prevented extraction of nucleon momentum distributions from such a scaling analysis. With a slight modification to the y-scaling assumptions, it is found that scaling functions can be extracted which are consistent with the expectations for the nucleon momentum distributions.
Date:
May 15, 2002
Creator:
Arrington, J.
Object Type:
Article
System:
The UNT Digital Library
Evaluation of the Final Report: Waste Package Materials Performance Peer Review Panel
None
Date:
August 15, 2002
Creator:
Bailey, J. N.; Cloud, J. D.; Rodgers, T. E. & Summers, S. E.
Object Type:
Report
System:
The UNT Digital Library
15th Street News (Midwest City, Okla.), Vol. 31, No. 17, Ed. 1 Friday, February 15, 2002
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
February 15, 2002
Creator:
Baldwin, Alisha
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
15th Street News (Midwest City, Okla.), Vol. 31, No. 21, Ed. 1 Friday, March 15, 2002
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
March 15, 2002
Creator:
Baldwin, Alisha
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
15th Street News (Midwest City, Okla.), Vol. 32, No. 11, Ed. 1 Friday, November 15, 2002
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
November 15, 2002
Creator:
Baldwin, Alisha
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Energy Policy: Setting the Stage for the Current Debate
The Bush Administration issued its plan for a national energy policy on May 16, 2001. The plan was controversial, characterized by some as leaner on conservation and renewables than Democratic proposals, and predisposed to trade off environmental considerations to increase supply. Comprehensive energy legislation was introduced in the Senate by both parties by late March (S. 388, S. 389, S. 596, S. 597). Bills reported by several House committees (H.R. 2436, H.R. 2460, H.R. 2511, and H.R. 2587) were combined in a single bill, H.R. 4, passed by the House, August 1, 2001. The House version of H.R. 4 would require a 5 billion gallon reduction in light-duty truck and SUV fuel consumption and would open the Arctic National Wildlife Refuge (ANWR) to leasing.
Date:
March 15, 2002
Creator:
Bamberger, Robert L.
Object Type:
Report
System:
The UNT Digital Library
Metal-Insulator Transition in Li and LiH - Final Report
The main goals of this project were the search for a predicted nonmetallic high-pressure phase of Li and finding the metallization conditions for LiH. It has been predicted by Neaton & Ashcroft at Cornell [1] that the lithium atoms would pair at pressures around 100 GPa and their valence electrons would become localized in the interstitial regions and therefore non-conducting. LiH, an ionic compound, provides the unique opportunity to understand the effects of coupling two elements with opposite tendencies at extreme conditions and to study fundamental principles such as metallization and pairing. We measured the electrical conductivity of liquid lithium at pressures up to 1.8 Mbar and 4-fold compression, achieved through shock reverberation experiments [2]. We found that the results were consistent with a departure of the electronic properties of lithium from the nearly free electron approximation at high pressures and with ionic pairing correlations in the Mbar regime. Given the expected small effect of the temperature on the conductivity at high densities, the apparent conductivity drop and the behavior of the ionic core at the highest pressures could be interpreted as a decrease of the overall volume available for the electrons. It may be interesting to see if the …
Date:
January 15, 2002
Creator:
Bastea, M. & Cauble, R.
Object Type:
Report
System:
The UNT Digital Library
Defense Cleanup and Environmental Programs: Authorization and Appropriations for FY2003
The Department of Defense operates six environmental programs: cleanup of past contamination at military facilities, acceleration of cleanup at military bases designated for closure, compliance with environmental laws and regulations that apply to ongoing military operations, pollution prevention, natural resource conservation, and environmental technology. In addition to these activities, the Department of Energy is responsible for managing defense nuclear waste and remediating contaminated sites. This report discusses the federal laws that established these programs, describes their scope and purpose, provides a history of appropriations, indicates the President’s budget request for FY2001, examines authorization and appropriations legislation for FY2001, and discusses other relevant legislation considered in the 106th Congress.
Date:
July 15, 2002
Creator:
Bearden, David M.
Object Type:
Report
System:
The UNT Digital Library
The Natural Resources and Environment Function in the FY2003 Federal Budget: An Overview of Programs and Funding
None
Date:
August 15, 2002
Creator:
Bearden, David M.
Object Type:
Report
System:
The UNT Digital Library
Noise Abatement and Control: An Overview of Federal Standards and Regulations
None
Date:
July 15, 2002
Creator:
Bearden, David M.
Object Type:
Report
System:
The UNT Digital Library
Concurrent Receipt of Military Retirement and VA Disability Benefits: Budgetary Issues
House and Senate conferees on the FY2003 National Defense Authorization Act (H.R. 4546) are currently considering provisions that would lift the longstanding prohibition on concurrent receipt (simultaneous payment) of Department of Defense (DoD) retired pay and Department of Veterans’ Affairs (VA) disability benefits. The House-passed bill would phase in partial concurrent receipt by providing both retirement and VA benefits for those with disabilities of 60 percent or above by FY2007. The Senate-passed bill provides full concurrent receipt for military retirees with any disability rating in FY2003.
Date:
November 15, 2002
Creator:
Belasco, Amy
Object Type:
Report
System:
The UNT Digital Library