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FIELD TEST PROGRAM TO DEVELOP COMPREHENSIVE DESIGN, OPERATING AND COST DATA FOR MERCURY CONTROL SYSTEMS ON NON-SCRUBBED COAL-FIRED BOILERS
With the Nation's coal-burning utilities facing the possibility of tighter controls on mercury pollutants, the U.S. Department of Energy is funding projects that could offer power plant operators better ways to reduce these emissions at much lower costs. Mercury is known to have toxic effects on the nervous system of humans and wildlife. Although it exists only in trace amounts in coal, mercury is released when coal burns and can accumulate on land and in water. In water, bacteria transform the metal into methylmercury, the most hazardous form of the metal. Methylmercury can collect in fish and marine mammals in concentrations hundreds of thousands times higher than the levels in surrounding waters. One of the goals of DOE is to develop technologies by 2005 that will be capable of cutting mercury emissions 50 to 70 percent at well under one-half of today's costs. ADA Environmental Solutions (ADA-ES) is managing a project to test mercury control technologies at full scale at four different power plants from 2000 to 2003. The ADA-ES project is focused on those power plants that are not equipped with wet flue gas desulfurization systems. ADA-ES will develop a portable system that will be moved to four different …
Date:
July 31, 2001
Creator:
Bustard, C. Jean
Object Type:
Report
System:
The UNT Digital Library
Fuel Temperature Coefficient of Reactivity
A method for measuring the fuel temperature coefficient of reactivity in a heterogeneous nuclear reactor is presented. The method, which is used during normal operation, requires that calibrated control rods be oscillated in a special way at a high reactor power level. The value of the fuel temperature coefficient of reactivity is found from the measured flux responses to these oscillations. Application of the method in a Savannah River reactor charged with natural uranium is discussed.
Date:
July 31, 2001
Creator:
Loewe, W.E.
Object Type:
Report
System:
The UNT Digital Library
Fundamental Magnetofluid Physics Studies on the Swarthmore Spheromak Experiment: Reconnection and Sustainment
The general goal of the Magnetofluids Laboratory at Swarthmore College is to understand how magnetofluid kinetic energy can be converted to magnetic energy as it is in the core of the earth and sun (the dynamo problem) and to understand how magnetic energy can be rapidly converted back to kinetic energy and heat as it is in solar flares (the magnetic reconnection problem). Magnetic reconnection has been studied using the Swarthmore Spheromak Experiment (SSX) which was designed and built under this Junior Faculty Grant. In SSX we generate and merge two rings of magnetized plasma called spheromaks and study their interaction. The spheromaks have many properties similar to solar flares so this work is directly relevant to basic solar physics. In addition, since the spheromak is a magnetic confinement fusion configuration, issues of formation and stability have direct impact on the fusion program.
Date:
July 31, 2001
Creator:
Brown, M.R.
Object Type:
Report
System:
The UNT Digital Library
[Funeral Program for Mr. Lee (Skeet) Gatlin, July 31, 2001]
Funeral program for Mr. Lee (Skeet) Gatlin, held July 31, 2001 at Lewis Funeral Home. Funeral arrangements were made through the Lewis Funeral Home in San Antonio, Texas.
Date:
July 31, 2001
Creator:
unknown
Object Type:
Pamphlet
System:
The Portal to Texas History
Gas Releases During Saltcake Dissolution for Retrieval of Single-Shell Tank Waste
It is possible to retrieve a large fraction of soluble waste from the Hanford single-shell waste tanks (SST) by dissolving it with water. This retrieval method will be demonstrated in U-107 and S-112 in the next few years. If saltcake dissolution proves practical and effective, many of the saltcake SSTs may be retrieved by this method. Many of the SSTs retain a large volume of flammable gas that will be released into the tank headspace as the waste dissolves. This report describes the physical processes that control dissolution and gas release. Calculation results are shown describing the headspace hydrogen concentration transient during dissolution. The observed spontaneous and induced gas releases from SSTs is summarized and the dissolution of the crust layer in SY-101 is discussed as a recent example of full-scale dissolution of saltcake containing a very large volume of retained gas. The report concludes that the dissolution rate is self limiting and gas release rates are relatively low.
Date:
July 31, 2001
Creator:
Stewart, Charles W.
Object Type:
Report
System:
The UNT Digital Library
Gas Releases During Saltcake Dissolution for Retrieval of Single-Shell Tank Waste
It is possible to retrieve a large fraction of soluble waste from the Hanford single-shell waste tanks (SST) by dissolving it with water. This retrieval method will be demonstrated in U-107 and S-112 in the next few years. If saltcake dissolution proves practical and effective, many of the saltcake SSTs may be retrieved by this method. Many of the SSTs retain a large volume of flammable gas that will be released into the tank headspace as the waste dissolves. This report describes the physical processes that control dissolution and gas release. Calculation results are shown describing the headspace hydrogen concentration transient during dissolution. The observed spontaneous and induced gas releases from SSTs is summarized and the dissolution of the crust layer in SY-101 is discussed as a recent example of full-scale dissolution of saltcake containing a very large volume of retained gas. The report concludes that the dissolution rate is self limiting and gas release rates are relatively low.
Date:
July 31, 2001
Creator:
Stewart, Charles W
Object Type:
Report
System:
The UNT Digital Library
Ground Control System Description Document
The Ground Control System contributes to the safe construction and operation of the subsurface facility, including accesses and waste emplacement drifts, by maintaining the configuration and stability of the openings during construction, development, emplacement, and caretaker modes for the duration of preclosure repository life. The Ground Control System consists of ground support structures installed within the subsurface excavated openings, any reinforcement made to the rock surrounding the opening, and inverts if designed as an integral part of the system. The Ground Control System maintains stability for the range of geologic conditions expected at the repository and for all expected loading conditions, including in situ rock, construction, operation, thermal, and seismic loads. The system maintains the size and geometry of operating envelopes for all openings, including alcoves, accesses, and emplacement drifts. The system provides for the installation and operation of sensors and equipment for any required inspection and monitoring. In addition, the Ground Control System provides protection against rockfall for all subsurface personnel, equipment, and the engineered barrier system, including the waste package during the preclosure period. The Ground Control System uses materials that are sufficiently maintainable and that retain the necessary engineering properties for the anticipated conditions of the preclosure …
Date:
July 31, 2001
Creator:
Loros, Eric
Object Type:
Report
System:
The UNT Digital Library
[Historic Marker Application: Sweet Home Vocational and Agricultural School]
Application materials submitted to the Texas Historical Commission requesting a historic marker for the Sweet Home Vocational and Agricultural School, in Seguin, Texas. The materials include the inscription text of the marker, narrative, and photographs.
Date:
July 31, 2001
Creator:
Texas Historical Commission
Object Type:
Text
System:
The Portal to Texas History
HORIZON SENSING
Project Objectives are to demonstrate the feasibility of real-time stress measurement, bit loading, and horizon sensing on a longwall shearer, boring machine, continuous miner, and loading bucket.
Date:
July 31, 2001
Creator:
Stolarczyk, Larry G.
Object Type:
Report
System:
The UNT Digital Library
Human Capital: Building the Information Technology Workforce to Achieve Results
Testimony issued by the General Accounting Office with an abstract that begins "This testimony discusses the federal government's strategic human capital management challenges, particularly in the information technology (IT) area. No management issue facing federal agencies could be more critical to the nation than their approach to attracting, retaining, and motivating people. Having enough people with the right mix of knowledge and skills will make the difference between success and failure. This is especially true in the information technology area, where widespread shortfalls in human capital have undermined agency and program performance. The federal government today faces pervasive human capital challenges that are eroding the ability of many agencies--and threatening the ability of others--to economically, efficiently, and effectively carry out their missions. How successfully the federal government acquires and uses information technology will depend on its ability to build, prepare, and manage its information technology workforce. To address the federal government's human capital challenges as a whole, GAO believes that (1) agencies must take all administrative steps available to them under current laws and regulations to manage their people for results; (2) the Administration and Congress should pursue opportunities to put new tools and flexibilities in place that will help …
Date:
July 31, 2001
Creator:
United States. General Accounting Office.
Object Type:
Text
System:
The UNT Digital Library
Human Capital: Implementing an Effective Workforce Strategy Would Help EPA to Achieve Its Strategic Goals
A letter report issued by the General Accounting Office with an abstract that begins "During the last decade, as most federal agencies downsized, the Environmental Protection Agency's (EPA) workforce grew by about 18 percent. Much of this growth occurred in EPA's 10 regional offices, which carry out most of the agency's efforts to encourage industry compliance with environmental regulations. Currently, EPA's workforce of 17,000 individuals includes scientists, engineers, lawyers, environmental protection specialists, and mission-support staff. Some Members of Congress have questioned whether EPA is giving enough attention to managing this large and diverse workforce. The workforce management practices of EPA's Office of Enforcement and Compliance Assurance (OECA)--which takes direct action against violators of environmental statutes and oversees the environmental enforcement activities of states--have come under particular scrutiny because its enforcement activities span all of EPA's programs and regions. Although EPA has began several initiatives during the last decade to better organize and manage its workforce, it has not received the resources and senior-level management attention needed to realize them. This report reviews (1) the extent to which EPA's strategy includes the key elements associated with successful human capital strategies, (2) the major human capital challenges EPA faces in the successful …
Date:
July 31, 2001
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library
Limited Demonstration Test Plan for the Vortec-Paducah Material Handling System at the United States Department of Energy Paducah Gaseous Diffusion Plant
None
Date:
July 31, 2001
Creator:
Simpson, J. C.
Object Type:
Report
System:
The UNT Digital Library
Medicare Management: CMS Faces Challenges to Sustain Progress and Address Weaknesses
A letter report issued by the General Accounting Office with an abstract that begins "Considering the complexity, the size, and the statutory constraints affecting the Medicare Program, some contend that the Health Care Financing Administration's (HCFA)--recently renamed the Centers for Medicare and Medicaid Services--management of Medicare has, on balance, been satisfactory. Others argue that HCFA's management has been unacceptable. HCFA's record has been mixed and the agency's challenges are growing. Effective management of Medicare depends on finding a balance between flexibility and accountability--that is, granting the agency adequate flexibility to act prudently while ensuring that it can be held accountable for its decisions and actions. Moreover, because Medicare will play such a significant role in the nation's fiscal future, it is prudent to make an adequate investment to ensure that Medicare is professionally and efficiently managed. Achieving this goal will require the modernization and maintenance of Medicare's traditional day-to-day operations."
Date:
July 31, 2001
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library
Medigap Insurance: Plans Are Widely Available but Have Limited Benefits and May Have High Costs
A letter report issued by the General Accounting Office with an abstract that begins "To protect themselves against large out-of-pocket expenses and help fill gaps in Medicare coverage, most beneficiaries buy supplemental insurance, known as Medigap; contribute to employer-sponsored health benefits to supplement Medicare coverage; or enroll in private Medicare+Choice plans rather than traditional fee-for-service Medicare. Because Medicare+Choice plans are not available everywhere and many employers do not offer retiree health benefits, Medigap is sometimes the only supplemental insurance option available to seniors. Medicare beneficiaries who buy Medigap plans have coverage for essentially all major Medicare cost-sharing requirements, including coinsurance and deductibles. But this "first-dollar" coverage may undermine incentives for prudent use of Medicare services, which could ultimately boost costs for the Medicare program. Although various proposals have been made to add a prescription drug benefit to Medicare, relatively few beneficiaries buy standardized Medigap plans with this benefit. Low enrollment in these plans may be due to the fact that fewer plans are being marketed with these benefits; their relatively high cost; and the limited nature of their prescription drug benefit, which still requires beneficiaries to pay more than half of their prescription drug costs. Most plans have a $3,000 …
Date:
July 31, 2001
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library
Mercury-binding membranes for flue gas clean-up
All Phase I objectives were met. In the Phase I program, TPL developed a material, T- 450, capable of removing elemental mercury from air. It was found to have high porosity, good mechanical strength, good affinity for aqueous ionic mercury, and good stability to hot acidic gas. The material, used as a granular solid, was tested for adsorption of mercury in two protocols, one involving static room-temperature air and one using flowing hot air. In each case, it was superior to activated carbon. The following results were obtained: 1. Sol-gel methods were found to be applicable for synthesis of silicates containing oxidized thiol (disulfide) groups. 2. Synthetic parameters were determined for silicates with a variety of physical properties and performances. 3. Measurement of physical properties indicate high porosity strength, and stability to conditions found in flue gases. 4. The Hg° adsorption of T-450 was superior to that of activated carbon; static testing indicated a 2.4-fold increase in mercury adsorption, while a flow system mimicking hot flue gas indicated a 3.6-fold increase in Hg adsorption. 5. Economic analysis indicated that T-450 is a strong candidate for scale-up and commercial development. For the cost of removing Hg from flue gas, a savings …
Date:
July 31, 2001
Creator:
Kroh, Dr. Franklin O. & Morgan, Thane
Object Type:
Report
System:
The UNT Digital Library
Methods for Using Ground-Water Model Predictions to Guide Hydrogeologic Data Collection, with Applications to the Death Valley Regional Ground-Water Flow System
Calibrated models of ground-water systems can provide substantial information for guiding data collection. This work considers using such models to guide hydrogeologic data collection for improving model predictions, by identifying model parameters that are most important to the predictions. Identification of these important parameters can help guide collection of field data about parameter values and associated flow-system features that can lead to improved predictions. Methods for identifying parameters important to predictions include prediction scaled sensitivities (PSS), which account for uncertainty on individual parameters as well as prediction sensitivity to parameters, and a new ''value of improved information'' (VOII) method, which includes the effects of parameter correlation in addition to individual parameter uncertainty and prediction sensitivity. The PSS and VOII methods are demonstrated using a model of the Death Valley regional ground-water flow system. The predictions of interest are advective-transport paths originating at sites of past underground nuclear testing. Results show that for two paths evaluated, the most important parameters include a subset of five or six of the 23 defined model parameters. Some of the parameters identified as most important are associated with flow-system attributes that do not lie in the immediate vicinity of the paths. Results also indicate that …
Date:
July 31, 2001
Creator:
Tiedeman, Claire R.; Hill, M. C.; D'Agnese, F. A. & Faunt, C. C.
Object Type:
Report
System:
The UNT Digital Library
Military Base Closures: DOD's Updated Net Savings Estimate Remains Substantial
A letter report issued by the General Accounting Office with an abstract that begins "Through four rounds of base closures and realignments between 1988 and 1995, the Department of Defense (DOD) expected to reduce its domestic infrastructure and provide needed dollars for high priority programs, such as weapons modernization. Although DOD projects it will realize significant recurring savings from the closures and realignments, Congress continues to raise questions about how much, if any, money has been saved through the base closure process. Two GAO reports issued in late 1998 concluded that net savings from the four closure rounds were substantial but that the cost and savings estimates used to calculate the net savings were imprecise. This report reviews (1) the basis for DOD's recent increase in net savings projected to be realized from the closure process and (2) GAO's previous observations on the basis for savings from base closure and realignment actions and the precision of the cost and savings estimates. DOD's fiscal year 2001 budget request and documentation show that it now expects net savings of about $15.5 billion through fiscal year 2001 and about $6.1 billion in annual recurring savings thereafter, an increase from the $14.2 billion and …
Date:
July 31, 2001
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library
MODULAR MANIPULATOR FOR ROBOTICS APPLICATIONS
ARM Automation, Inc. is developing a framework of modular actuators that can address the DOE's wide range of robotics needs. The objective of this effort is to demonstrate the effectiveness of this technology by constructing a manipulator from these actuators within a glovebox for Automated Plutonium Processing (APP). At the end of the project, the system of actuators was used to construct several different manipulator configurations, which accommodate common glovebox tasks such as repackaging. The modular nature and quickconnects of this system simplify installation into ''hot'' boxes and any potential modifications or repair therein. This work focused on the development of self-contained robotic actuator modules including the embedded electronic controls for the purpose of building a manipulator system. Both of the actuators developed under this project contain the control electronics, sensors, motor, gear train, wiring, system communications and mechanical interfaces of a complete robotics servo device. Test actuators and accompanying DISC{trademark}s underwent validation testing at The University of Texas at Austin and ARM Automation, Inc. following final design and fabrication. The system also included custom links, an umbilical cord, an open architecture PC-based system controller, and operational software that permitted integration into a completely functional robotic manipulator system. The open …
Date:
July 31, 2001
Creator:
Joseph W. Geisinger, Ph.D.
Object Type:
Report
System:
The UNT Digital Library
NASA: Status of Achieving Key Outcomes and Addressing Major Management Challenges
A letter report issued by the General Accounting Office with an abstract that begins "GAO reviewed the National Aeronautics and Space Administration's (NASA) fiscal year 2000 performance report to assess the agency's progress in achieving selected key outcomes important to NASA's mission. The selected key outcomes are to (1) expand scientific knowledge of the Earth system, (2) expand the commercial development of space, and (3) deploy and operate the International Space Station safely and cost effectively. NASA reported mixed progress in achieving these key outcomes. In general, NASA's strategies for achieving unmet performance targets for theses outcomes are clear and reasonable. NASA achieved most targets related to expanding knowledge of the Earth system. However, its progress in other areas was more limited. NASA has made improvements in its fiscal year 2000 performance report in comparison to its fiscal year 1999 performance report. Specifically, NASA describes its verification and validation efforts and discloses its data sources for each performance target. NASA's report partially addressed the governmentwide high-risk area of strategic human capital management but not the area of information security. GAO has previously found that NASA lacks an effective agencywide security program. NASA's report only addressed two of the three critical …
Date:
July 31, 2001
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library
The National Fire Plan: Federal Agencies Are Not Organized to Effectively and Efficiently Implement the Plan
Testimony issued by the General Accounting Office with an abstract that begins "This testimony discusses how federal agencies conduct fire management under the National Fire Plan. Effective fire management requires coordination, consistency, and agreement among five federal land management agencies in two departments--the National Park Service, the Fish and Wildlife Service, the Bureau of Land Management, and the Bureau of Indian Affairs in the Department of the Interior and the Forest Service in the Department of Agriculture. Human activities, especially the federal government's decades-old policy of suppressing all wild fires, have led to dangerous accumulations of felled trees and other dead vegetation on federal lands. As a result, conditions on 211 million acres continue to deteriorate. The National Fire Plan represents the latest effort to address wildland fire on federal lands. Two conditions set this effort apart from earlier efforts. First, Congress has to recognize the need to sustain increased funding for wildland fire management in future fiscal years. Second, Congress has issued direction to reduce the risk of wildland fire in the wildland-urban interface. However, many of the policy's guiding principles and recommendations have not been implemented. The failure of the five federal land management agencies to incorporate into …
Date:
July 31, 2001
Creator:
United States. General Accounting Office.
Object Type:
Text
System:
The UNT Digital Library
Navy Inventory: Parts Shortages Are Impacting Operations and Maintenance Effectiveness
A letter report issued by the General Accounting Office with an abstract that begins "The military's ability to carry out its mission depends on having adequate supplies of spare parts on hand for equipment maintenance. Shortages are a key indicator of whether the billions of dollars spent on these parts each year are used effectively, efficiently, and economically. The Navy has acknowledged in recent years that its aviation systems have significant readiness and supply problems. Since 1990, GAO has included Defense Department (DOD) inventory management, including spare parts, on its list of government functions at high risk for waste, fraud, abuse, and mismanagement. This report reviews (1) the impact of shortages of spare parts for two selected aircraft--the EA-6B Prowler and F-14 Tomcat, (2) the reasons for the shortages, and (3) the initiatives that the Navy and the Defense Logistics Agency have in place or planned to address overall spare part shortage issues. GAO found that spare parts shortages for the two aircraft have harmed Navy's readiness and the economy and efficiency of maintenance activities. Spare parts shortages have contributed to problems retaining military personnel. Navy managers attributed the spare parts shortages to the fact that more parts were required …
Date:
July 31, 2001
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library
NETL-EERC ENVIRONMENTAL MANAGEMENT COOPERATIVE AGREEMENT
This final report summarizes the accomplishments of the 6-year Environmental Management Cooperative Agreement (EMCA) between the Energy and Environmental Research Center (EERC), a nonprofit, contract-supported unit of the University of North Dakota, and the U.S. Department of Energy (DOE) National Energy Technology Laboratory (NETL). The first portion of the report summarizes EMCA's structure, activities, and accomplishments. The appendix contains profiles of the individual EMCA tasks. Detailed descriptions and results of the tasks can be found separately in published Final Topical Reports. EMCA (DOE Contract No. DE-FC21-94MC31388) was in place from the fall of 1994 to the summer of 2001. Under EMCA, approximately $5.4 million was applied in three program areas to expedite the commercialization of 15 innovative technologies for application in DOE's EM Program ($3.8 million, or 69% of funds), provide technical support to the Deactivation and Decommissioning Focus Area (DDFA; $1.04 million, or 19% of funds), and provide for the coordination of the EMCA activities ($0.62 million, or 11% of funds). The following sections profile the overall accomplishments of the EMCA program followed by a summary of the accomplishments under each of the EMCA areas: commercialization, DDFA technical support, and management. Table 1 provides an overview of EMCA, including …
Date:
July 31, 2001
Creator:
Behr-Andres, Christina B. & Daly, Daniel J.
Object Type:
Report
System:
The UNT Digital Library
[News Clip: Bumper Report]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
July 31, 2001, 4:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
Oral History Interview with Richard Bischoff, July 31, 2001
The National Museum of the Pacific War presents an interview with Richard Bischoff. Bischoff joined the Army in December of 1942. He served with the 607th Tank Destroyer Battalion. They arrived in England in April of 1944. They invaded Normandy on D-Day plus 2. Bischoff and his unit fought across France and into Germany during the summer and early winter of 1944. In December they participated in the Ardennes Campaign, ending the war near the Czechoslovakian border. Bischoff returned to the US and was discharged in December of 1945.
Date:
July 31, 2001
Creator:
Bischoff, Richard
Object Type:
Sound
System:
The Portal to Texas History