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Transuranic (TRU) Waste Repackaging at the Nevada Test Site
This paper describes the activities required to modify a facility and the process of characterizing, repackaging, and preparing for shipment the Nevada Test Site’s (NTS) legacy transuranic (TRU) waste in 58 oversize boxes (OSB). The waste, generated at other U.S. Department of Energy (DOE) sites and shipped to the NTS between 1974 and 1990, requires size-reduction for off-site shipment and disposal. The waste processing approach was tailored to reduce the volume of TRU waste by employing decontamination and non-destructive assay. As a result, the low-level waste (LLW) generated by this process was packaged, with minimal size reduction, in large sea-land containers for disposal at the NTS Area 5 Radioactive Waste Management Complex (RWMC). The remaining TRU waste was repackaged and sent to the Idaho National Laboratory Consolidation Site for additional characterization in preparation for disposal at the Waste Isolation Pilot Plant (WIPP), near Carlsbad, New Mexico. The DOE National Nuclear Security Administration Nevada Site Office and the NTS Management and Operating (M&O) contractor, NSTec, successfully partnered to modify and upgrade an existing facility, the Visual Examination and Repackaging Building (VERB). The VERB modifications, including a new ventilation system and modified containment structure, required an approved Preliminary Documented Safety Analysis prior …
Date:
March 1, 2009
Creator:
Sanza, E.F. Di; Pyles, G.; Ciucci, J. & Arnold, P.
Object Type:
Article
System:
The UNT Digital Library
TRIDENT flyer plate Impact technique: comparison to gas gun plate impact technique
This report describes the details of a series of plate impact experiments that were conducted on a gas gun in an effort to validate a new technique for plate impact using the TRIDENT laser to launch thin flyers. The diagnostics fielded were VISAR and identical samples and impactors were used on both platforms. All experimenters agree that the VISAR results should have agreed between the two experimental platforms. The VISAR results did not agree across the platforms and experimenters offer explanations and implications for this outcome.
Date:
March 1, 2009
Creator:
Koller, Darcie D.; Gray, George T., III & Luo, Sheng-Nian
Object Type:
Report
System:
The UNT Digital Library
TRRP Compatibility with RCRA
This document explains the interface of the Texas Risk Reduction Plan (TRRP) rule and with the Resource Conservation and Recovery Act (RCRA) as it relates to the closure of a hazardous waste management unit.
Date:
March 2009
Creator:
Texas Commission on Environmental Quality. Remediation Division.
Object Type:
Pamphlet
System:
The Portal to Texas History
[TSDC 2009 biennial statewide conference list]
Biennial statewide conference receipt list for the Texas Stonewall Democratic Caucus in 2009.
Date:
March 1, 2009
Creator:
unknown
Object Type:
Text
System:
The UNT Digital Library
[TSDC Business Meeting]
Handwritten notes from Texas Stonewall Democratic Caucus Business Meeting on March 1, 2009.
Date:
March 1, 2009
Creator:
unknown
Object Type:
Text
System:
The UNT Digital Library
[TXSSAR Committee Reports: March 2009]
Minutes of the Texas Society, Sons of the American Revolution (TXSSAR) Board of Managers {{{ DATE }}} meeting.
Date:
March 2009
Creator:
Texas Society Sons of the American Revolution
Object Type:
Report
System:
The UNT Digital Library
The U-tube sampling methodology and real-time analysis of geofluids
The U-tube geochemical sampling methodology, an extension of the porous cup technique proposed by Wood [1973], provides minimally contaminated aliquots of multiphase fluids from deep reservoirs and allows for accurate determination of dissolved gas composition. The initial deployment of the U-tube during the Frio Brine Pilot CO{sub 2} storage experiment, Liberty County, Texas, obtained representative samples of brine and supercritical CO{sub 2} from a depth of 1.5 km. A quadrupole mass spectrometer provided real-time analysis of dissolved gas composition. Since the initial demonstration, the U-tube has been deployed for (1) sampling of fluids down gradient of the proposed Yucca Mountain High-Level Waste Repository, Armagosa Valley, Nevada (2) acquiring fluid samples beneath permafrost in Nunuvut Territory, Canada, and (3) at a CO{sub 2} storage demonstration project within a depleted gas reservoir, Otway Basin, Victoria, Australia. The addition of in-line high-pressure pH and EC sensors allows for continuous monitoring of fluid during sample collection. Difficulties have arisen during U-tube sampling, such as blockage of sample lines from naturally occurring waxes or from freezing conditions; however, workarounds such as solvent flushing or heating have been used to address these problems. The U-tube methodology has proven to be robust, and with careful consideration of …
Date:
March 1, 2009
Creator:
Freifeld, Barry; Perkins, Ernie; Underschultz, James & Boreham, Chris
Object Type:
Article
System:
The UNT Digital Library
The Underground Corrosion of Selected Type 300 Stainless Steels After 34 Years
Recently, interest in long-term underground corrosion has greatly increased because of the ongoing need to dispose of nuclear waste. Additionally, the Nuclear Waste Policy Act of 1982 requires disposal of high-level nuclear waste in an underground repository. Current contaminant release and transport models use limited available short-term underground corrosion rates when considering container and waste form degradation. Consequently, the resulting models oversimplify the complex mechanisms of underground metal corrosion. The complexity of stainless steel corrosion mechanisms and the processes by which corrosion products migrate from their source are not well depicted by a corrosion rate based on general attack. The research presented here is the analysis of austenitic stainless steels after 33½ years of burial. In this research, the corrosion specimens were analyzed using applicable ASTM standards as well as microscopic and X-ray examination to determine the mechanisms of underground stainless steel corrosion. As presented, the differences in the corrosion mechanisms vary with the type of stainless steel and the treatment of the samples. The uniqueness of the long sampling time allows for further understanding of the actual stainless steel corrosion mechanisms, and when applied back into predictive models, will assist in reduction of the uncertainty in parameters for predicting …
Date:
March 1, 2009
Creator:
Yoder, T. S. & Flitton, M. K. Adler
Object Type:
Article
System:
The UNT Digital Library
Update on Fresh Fuel Characterization of U-Mo Alloys
The need to provide more accurate property information on U-Mo fuel alloys to operators, modellers, researchers, fabricators, and government increases as success of the GTRI Reactor Convert program continues. This presentation provides an update on fresh fuel characterization activities that have occurred at the INL since the RERTR 2008 conference in Washington, D.C. The update is particularly focused on properties recently obtained and on the development progress of new measurement techniques. Furthermore, areas where useful and necessary information is still lacking is discussed. The update deals with mechanical, physical, and microstructural properties for both integrated and separate effects. Appropriate discussion of fabrication characteristics, impurities, thermodynamic response, and effects on the topic areas are provided, along with a background on the characterization techniques used and developed to obtain the information. Efforts to measure similar characteristics on irradiated fuel plates are discussed.
Date:
March 1, 2009
Creator:
Burkes, D. E.; Wachs, D. M.; Keiser, D. D.; Okuniewski, M. A.; Jue, J. F.; Rice, F. J. et al.
Object Type:
Article
System:
The UNT Digital Library
Validation of software releases for CMS
The CMS software stack currently consists of more than 2 Million lines of code developed by over 250 authors with a new version being released every week. CMS has setup a release validation process for quality assurance which enables the developers to compare to previous releases and references. This process provides the developers with reconstructed datasets of real data and MC samples. The samples span the whole range of detector effects and important physics signatures to benchmark the performance of the software. They are used to investigate interdependency effects of software packages and to find and fix bugs. The samples have to be available in a very short time after a release is published to fit into the streamlined CMS development cycle. The standard CMS processing infrastructure and dedicated resources at CERN and FNAL are used to achieve a very short turnaround of 24 hours. The here described release validation process is an integral part of CMS software development and contributes significantly to ensure stable production and analysis. It's success emphasizes the importance of a streamlined release validation process for projects with a large code basis and significant number of developers and can function as an example for future projects.
Date:
March 1, 2009
Creator:
Gutsche, Oliver
Object Type:
Article
System:
The UNT Digital Library
Weather forecast-based optimization of integrated energy systems.
In this work, we establish an on-line optimization framework to exploit detailed weather forecast information in the operation of integrated energy systems, such as buildings and photovoltaic/wind hybrid systems. We first discuss how the use of traditional reactive operation strategies that neglect the future evolution of the ambient conditions can translate in high operating costs. To overcome this problem, we propose the use of a supervisory dynamic optimization strategy that can lead to more proactive and cost-effective operations. The strategy is based on the solution of a receding-horizon stochastic dynamic optimization problem. This permits the direct incorporation of economic objectives, statistical forecast information, and operational constraints. To obtain the weather forecast information, we employ a state-of-the-art forecasting model initialized with real meteorological data. The statistical ambient information is obtained from a set of realizations generated by the weather model executed in an operational setting. We present proof-of-concept simulation studies to demonstrate that the proposed framework can lead to significant savings (more than 18% reduction) in operating costs.
Date:
March 1, 2009
Creator:
Zavala, V. M.; Constantinescu, E. M.; Krause, T. & Anitescu, M.
Object Type:
Report
System:
The UNT Digital Library
Wide-Field Astronomical Surveys in the Next Decade
Wide-angle surveys have been an engine for new discoveries throughout the modern history of astronomy, and have been among the most highly cited and scientifically productive observing facilities in recent years. This trend is likely to continue over the next decade, as many of the most important questions in astrophysics are best tackled with massive surveys, often in synergy with each other and in tandem with the more traditional observatories. We argue that these surveys are most productive and have the greatest impact when the data from the surveys are made public in a timely manner. The rise of the 'survey astronomer' is a substantial change in the demographics of our field; one of the most important challenges of the next decade is to find ways to recognize the intellectual contributions of those who work on the infrastructure of surveys (hardware, software, survey planning and operations, and databases/data distribution), and to make career paths to allow them to thrive.
Date:
March 1, 2009
Creator:
Strauss, Michael A.; Tyson, J.Anthony; Anderson, Scott F.; Axelrod, T. S.; Becker, Andrew C.; Bickerton, Steven J. et al.
Object Type:
Report
System:
The UNT Digital Library
Wind-To-Hydrogen Project: Operational Experience, Performance Testing, and Systems Integration
The Wind2H2 system is fully functional and continues to gather performance data. In this report, specifications of the Wind2H2 equipment (electrolyzers, compressor, hydrogen storage tanks, and the hydrogen fueled generator) are summarized. System operational experience and lessons learned are discussed. Valuable operational experience is shared through running, testing, daily operations, and troubleshooting the Wind2H2 system and equipment errors are being logged to help evaluate the reliability of the system.
Date:
March 1, 2009
Creator:
Harrison, K. W.; Martin, G. D.; Ramsden, T. G.; Kramer, W. E. & Novachek, F. J.
Object Type:
Report
System:
The UNT Digital Library
Wind turbine reliability database update.
This report documents the status of the Sandia National Laboratories' Wind Plant Reliability Database. Included in this report are updates on the form and contents of the Database, which stems from a fivestep process of data partnerships, data definition and transfer, data formatting and normalization, analysis, and reporting. Selected observations are also reported.
Date:
March 1, 2009
Creator:
Peters, Valerie A.; Hill, Roger Ray; Stinebaugh, Jennifer A. & Veers, Paul S.
Object Type:
Report
System:
The UNT Digital Library
Wireless Roadside Inspection Proof of Concept Test Final Report
The U.S. Department of Transportation (DOT) FMCSA commissioned the Wireless Roadside Inspection (WRI) Program to validate technologies and methodologies that can improve safety through inspections using wireless technologies that convey real-time identification of commercial vehicles, drivers, and carriers, as well as information about the condition of the vehicles and their drivers. It is hypothesized that these inspections will: -- Increase safety -- Decrease the number of unsafe commercial vehicles on the road; -- Increase efficiency -- Speed up the inspection process, enabling more inspections to occur, at least on par with the number of weight inspections; -- Improve effectiveness -- Reduce the probability of drivers bypassing CMV inspection stations and increase the likelihood that fleets will attempt to meet the safety regulations; and -- Benefit industry -- Reduce fleet costs, provide good return-on-investment, minimize wait times, and level the playing field. The WRI Program is defined in three phases which are: Phase 1: Proof of Concept Test (POC) Testing of commercially available off-the-shelf (COTS) or near-COTS technology to validate the wireless inspection concept. Phase 2: Pilot Test Safety technology maturation and back office system integration Phase 3: Field Operational Test Multi-vehicle testing over a multi-state instrumented corridor This report focuses …
Date:
March 1, 2009
Creator:
Capps, Gary J; Franzese, Oscar; Knee, Helmut E; Plate, Randall S & Lascurain, Mary Beth
Object Type:
Report
System:
The UNT Digital Library
Working at Congress : a Sandian's experience.
During the 110th Congress (calendar years 2007 and 2008), Matthew Allen, a Sandian nuclear scientist, served as a Congressional Fellow on the Committee on Homeland Security in the House of Representatives. This report is an informative account of the role staffers play in assisting the members of Congress in their oversight and legislative duties. It is also a personal account of Matthew Allen's experience as a committee staffer in the House of Representatives.
Date:
March 1, 2009
Creator:
Allen, Matthew
Object Type:
Report
System:
The UNT Digital Library
Working With Communities to Save Lives in Africa
This report summarizes USAID's efforts in controlling malaria in Africa.
Date:
March 2009
Creator:
United States. Agency for International Development
Object Type:
Text
System:
The UNT Digital Library
[Youth orchestra and choir spring concert]
Video recording from The Black Academy of Arts and Letters recorded during the Dallas Independent School Districts Townview high school orchestra and choir concert held at the Academy in March of 2009. The footage shows the audience seated in folding chairs watching the students perform on a low stage at the front of the room.
Date:
March 2009
Creator:
King, Curtis
Object Type:
Video
System:
The UNT Digital Library