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Aviation Safety: FAA Management Practices for Technical Training Mostly Effective; Further Actions Could Enhance Results

Description: A letter report issued by the Government Accountability Office with an abstract that begins "One key way that the Federal Aviation Administration (FAA) makes air travel safer is to inspect the manufacture, operation, and maintenance of aircraft that fly in the United States. To better direct its resources, FAA is shifting from an inspection process that relied on spot-checks of compliance with regulations to one that evaluates operating procedures and analyzes inspection data to identify areas … more
Date: September 7, 2005
Creator: United States. Government Accountability Office.
Partner: UNT Libraries Government Documents Department
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Radiological Sources in Iraq: DOD Should Evaluate Its Source Recovery Effort and Apply Lessons Learned to Future Recovery Missions

Description: A letter report issued by the Government Accountability Office with an abstract that begins "Following the invasion of Iraq in March 2003, concerns were raised about the security of Iraq's radiological sources. Such sources are used in medicine, industry, and research, but unsecured sources could pose risks of radiation exposure, and terrorists could use them to make "dirty bombs." This report provides information on (1) the readiness of the Department of Defense (DOD) to collect and secure sou… more
Date: September 7, 2005
Creator: United States. Government Accountability Office.
Partner: UNT Libraries Government Documents Department
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Maritime Administration: Improved Program Management Needed to Address Timely Disposal of Obsolete Ships

Description: A letter report issued by the Government Accountability Office with an abstract that begins "The Maritime Administration (MARAD) has more than 100 obsolete and deteriorating ships awaiting disposal that pose potentially costly environmental threats to the waterways near where they are stored. Congress, in 2000, mandated that MARAD dispose of them by September 30, 2006. While MARAD has various disposal options available, each option is complicated by legal, financial, and regulatory factors. In … more
Date: March 7, 2005
Creator: United States. Government Accountability Office.
Partner: UNT Libraries Government Documents Department
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Financial Audit: Bureau of the Public Debt's Fiscal Years 2005 and 2004 Schedules of Federal Debt

Description: A letter report issued by the Government Accountability Office with an abstract that begins "GAO is required to audit the consolidated financial statements of the U.S. government. Due to the significance of the federal debt held by the public to the governmentwide financial statements, GAO has also been auditing the Bureau of the Public Debt's (BPD) Schedules of Federal Debt annually. The audit of these schedules is done to determine whether, in all material respects, (1) the schedules are reli… more
Date: November 7, 2005
Creator: United States. Government Accountability Office.
Partner: UNT Libraries Government Documents Department
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Nuclear Nonproliferation: IAEA Has Strengthened Its Safeguards and Nuclear Security Programs, but Weaknesses Need to Be Addressed

Description: A letter report issued by the Government Accountability Office with an abstract that begins "The International Atomic Energy Agency's (IAEA) safeguards system has been a cornerstone of U.S. efforts to prevent nuclear weapons proliferation since the Treaty on the Non-Proliferation of Nuclear Weapons (NPT) was adopted in 1970. IAEA has strengthened its safeguards system and increased efforts to combat nuclear terrorism by helping countries secure nuclear and radioactive material and facilities. T… more
Date: October 7, 2005
Creator: United States. Government Accountability Office.
Partner: UNT Libraries Government Documents Department
open access

Information Security: The Defense Logistics Agency Needs to Fully Implement Its Security Program

Description: A letter report issued by the Government Accountability Office with an abstract that begins "The Defense Logistics Agency's (DLA) mission is, in part, to provide food, fuel, medical supplies, clothing, spare parts for weapon systems, and construction materials to sustain military operations and combat readiness. To protect the information and information systems that support its mission, it is critical that DLA implement an effective information security program. GAO was asked to review the eff… more
Date: October 7, 2005
Creator: United States. Government Accountability Office.
Partner: UNT Libraries Government Documents Department
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Rebuilding Iraq: U.S. Water and Sanitation Efforts Need Improved Measures for Assessing Impact and Sustained Resources for Maintaning Facilities

Description: A letter report issued by the Government Accountability Office with an abstract that begins "After security conditions in Iraq began to deteriorate in June 2003, the U.S.-led Coalition Provisional Authority (CPA) included restoring essential services in Iraq, such as water and sanitation, as part of its strategy for establishing a secure, peaceful, and democratic Iraq. From 1991 to 2003, a decreasing number of Iraqis had access to safe drinking water and sanitation services, and water-borne dis… more
Date: September 7, 2005
Creator: United States. Government Accountability Office.
Partner: UNT Libraries Government Documents Department
open access

Information Technology: Management Improvements Needed on Immigration and Customs Enforcement's Infrastructure Modernization Program

Description: A letter report issued by the Government Accountability Office with an abstract that begins "The Department of Homeland Security's (DHS) Atlas program is intended to modernize Immigration and Customs Enforcement's (ICE) information technology (IT) infrastructure. By congressional mandate, DHS is to develop and submit for approval an expenditure plan for Atlas that satisfies certain legislative conditions, including a review by GAO. GAO was asked to determine whether the plan satisfied certain l… more
Date: September 7, 2005
Creator: United States. Government Accountability Office.
Partner: UNT Libraries Government Documents Department
open access

Service Contract Act: Wage Determination Process Could Benefit from Greater Transparency, and Better Use of Violation Data Could Improve Enforcement

Description: A letter report issued by the Government Accountability Office with an abstract that begins "Recipients of federal government contracts for services are subject to wage, hour, benefits, and safety and health standards under the McNamara-O'Hara Service Contract Act (SCA) of 1965, as amended, which specifies wage rates and other labor standards for employees of contractors. SCA requires the Department of Labor (DOL) to set locally prevailing wage rates and other labor standards for employees of c… more
Date: December 7, 2005
Creator: United States. Government Accountability Office.
Partner: UNT Libraries Government Documents Department
open access

Thermodynamic Modeling of Hanford Waste Tank 241-AN-107

Description: The high level waste storage double-shell tanks at the Hanford site are highly basic. The high basicity is a key factor in controlling the chemical behavior of different components of the waste and in influencing the corrosion rate of the carbon steel primary tanks. However, the introduction of atmospheric CO2 can act to reduce the pH of the tank wastes over time and possibly alter the corrosion rate of the carbon steel tanks. In order to at least partially address this issue for waste tank 241… more
Date: September 7, 2005
Creator: Felmy, Andrew R.
Partner: UNT Libraries Government Documents Department
open access

MOISTURE CONTENT AND POROSITY OF CONCRETE RUBBLE STUDY.

Description: Tritium contaminated concrete rubble from the 232-F Tritium Facility was disposed in the Slit 1 Trenches 1 and 2 in 1997. A Special Analysis (SA) has been performed to evaluate any impact this disposal may have on the groundwater. The SA assumed that the disposed concrete rubble was fully saturated at the time of disposal, however if the concrete was less than fully saturated, migration of tritium out of the concrete would be slower than under fully saturated conditions. Therefore if the concre… more
Date: October 7, 2005
Creator: Phifer, M
Partner: UNT Libraries Government Documents Department
open access

Interior Permanent Magnet Reluctance Machine with Brushless Field Excitation

Description: In a conventional permanent magnet (PM) machine, the air-gap flux produced by the PM is fixed. It is difficult to enhance the air-gap flux density due to limitations of the PM in a series-magnetic circuit. However, the air-gap flux density can be weakened by using power electronic field weakening to the limit of demagnetization of the PMs. This paper presents the test results of controlling the PM air-gap flux density through the use of a stationary brushless excitation coil in a reluctance int… more
Date: October 7, 2005
Creator: Wiles, R.H.
Partner: UNT Libraries Government Documents Department
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MULTISCALE THERMOHYDROLOGIC MODEL

Description: The intended purpose of the multiscale thermohydrologic model (MSTHM) is to predict the possible range of thermal-hydrologic conditions, resulting from uncertainty and variability, in the repository emplacement drifts, including the invert, and in the adjoining host rock for the repository at Yucca Mountain. The goal of the MSTHM is to predict a reasonable range of possible thermal-hydrologic conditions within the emplacement drift. To be reasonable, this range includes the influence of waste-p… more
Date: July 7, 2005
Creator: Buscheck, T.
Partner: UNT Libraries Government Documents Department
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Ab-Initio Study on Plutonium Compounds Pu3M (M=Al, Ga, In), PuNp and Elemental Neptunium

Description: Using spin-polarized relativistic density functional theory the electronic and magnetic structures for the plutonium compounds Pu{sub 3}M(M = Al; Ga; In) and PuNp have been investigated. For the first group of compounds the enhanced hybridization between Pu 5f and p-states of alloying element, as it has been found in spin-polarized calculations, is believed to be the main reason for the higher formation energies obtained in such kind of studies in comparison with the non-spin-polarized case. Al… more
Date: September 7, 2005
Creator: Kutepov, A L
Partner: UNT Libraries Government Documents Department
open access

Cleanup Verification Package for the 300-8 Waste Site

Description: This cleanup verification package documents completion of remedial action for the 300-8 waste site. This waste site was formerly used to stage scrap metal from the 300 Area in support of a program to recycle aluminum.
Date: November 7, 2005
Creator: Capron, J. M.
Partner: UNT Libraries Government Documents Department
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BENCAP, LLC: CAPSULE VELOCITY TEST

Description: Ben Cap, LLC, has a technology that utilizes bebtonite to plug wells. The bentonite is encapsulated in a cardboard capsule, droped down to the bottom of the well where it is allowed to hydrate, causing the bentonite to expand and plug the well. This method of plugging a well is accepted in some, but not all states. This technology can save a significant amount of money when compared to cementing methods currently used to plug and abandon wells. The test objective was to obtain the terminal velo… more
Date: September 7, 2005
Creator: Meidinger, Brian
Partner: UNT Libraries Government Documents Department
open access

A Cost Effective Multi-Spectral Scanner for Natural Gas Detection

Description: The objective of this project is to design, fabricate and demonstrate a cost effective, multi-spectral scanner for natural gas leak detection in transmission and distribution pipelines. During the first year of the project, a laboratory version of the multi-spectral scanner was designed, fabricated, and tested at EnUrga Inc. The multi-spectral scanner was also evaluated using a blind Department of Energy study at the Rocky Mountain Oilfield Testing Center. The performance of the scanner was inc… more
Date: December 7, 2005
Creator: Sivathanu, Yudaya; Lim, Jongmook; Narayanan, Vinoo & Park, Seonghyeon
Partner: UNT Libraries Government Documents Department
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Theoretical Study on the Compounds NpM2, PuM2, AmM2 (M = Mn, Fe, Ni,Co) and on the System Pu-U

Description: The relativistic spin-polarized density functional theory has been used for the study of electronic and magnetic structure of the compounds NpM{sub 2}, PuM{sub 2} and AmM{sub 2} (M = Mn; Fe;Co;Ni). It has been shown that the peculiarities in their magnetic properties come mainly from the hybridization between 5f-electrons of actinides and 3d-electrons of transition metals. It is interesting, that existence of the local magnetic moments appears to be possible on the atoms, despite the fact that … more
Date: September 7, 2005
Creator: Kutepov, A L
Partner: UNT Libraries Government Documents Department
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Calculational Study on the Compounds Np3M, Am3M, and on the System Pu-Am

Description: Spin-polarized relativistic density functional theory has been employed for the study of the electronic and magnetic structures for the compounds Np{sub 3}M and Am{sub 3}M (M = Al; Ga; In) and their comparison with plutonium's alloys Pu{sub 3}M has been made. It has been found that of the three actinides (Np, Pu, Am) only plutonium has its FCC structure essentially more stable after alloying with aforementioned elements. Apart from that, the electronic and magnetic structures for the system Pu-… more
Date: September 7, 2005
Creator: Kutepov, A L
Partner: UNT Libraries Government Documents Department
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NATURE OF THE DRY SHADOW BELOW CAVITIES IN VADOSE ZONE

Description: Several theoretical studies have indicated that the presence of subsurface cavities in the vadose zone results in complete or partial diversion of flow around cavities. As a result, the region immediately below the cavities is partially shielded from the downward flux. This shadowing effect of cavities can be exploited in the design of dry subsurface storage facilities as an additional barrier to contain waste within or around the cavities. However, empirical evidence that supports these theori… more
Date: September 7, 2005
Creator: Ghezzehei, Teamrat A.; Kneafsey, Timothy J. & Su, Grace W.
Partner: UNT Libraries Government Documents Department
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Speed of Presidential and Senate Actions on Supreme Court Nominations, 1900-2005

Description: This report provides information on the amount of time taken to act on all Supreme Court nominations occurring between 1900 and the present. It focuses on the actual amounts of time that Presidents and the Senate have taken to act (as opposed to the elapsed time between official points in the process).
Date: November 7, 2005
Creator: Garrett, R. Sam; Rutkus, Denis Steven & Copeland, Curtis W.
Partner: UNT Libraries Government Documents Department
open access

Multi-Resolution Markov-Chain-Monte-Carlo Approach for System Identification with an Application to Finite-Element Models

Description: Estimating unknown system configurations/parameters by combining system knowledge gained from a computer simulation model on one hand and from observed data on the other hand is challenging. An example of such inverse problem is detecting and localizing potential flaws or changes in a structure by using a finite-element model and measured vibration/displacement data. We propose a probabilistic approach based on Bayesian methodology. This approach does not only yield a single best-guess solution… more
Date: February 7, 2005
Creator: Johannesson, G.; Glaser, R. E.; Lee, C. L.; Nitao, J. J. & Hanley, W. G.
Partner: UNT Libraries Government Documents Department
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