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Edwards Aquifer Authority Annual Financial Report: 2001
Annual financial report of the The Edwards Aquifer Authority documenting income, expenditures, and other relevant financial information for fiscal year 2001.
Date:
December 31, 2001
Creator:
Edwards Aquifer Authority (Tex.). Administration Team.
Object Type:
Report
System:
The Portal to Texas History
Electra Star-News (Electra, Tex.), Vol. 94, No. 42, Ed. 1 Thursday, May 31, 2001
Weekly newspaper from Electra, Texas that includes local, state, and national news along with advertising.
Date:
May 31, 2001
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Electrochemical Processes for In-Situ Treatment of Contaminated Soils - Final Report - 09/15/1996 - 01/31/2001
This project will study electrochemical processes for the in situ treatment of soils contaminated by mixed wastes, i.e., organic and inorganic. Soil samples collected form selected DOE waste sites will be characterized for specific organic and metal contaminants and hydraulic permeability. The soil samples are then subject to desorption experiments under various physical-chemical conditions such as pH and the presence of surfactants. Batch electro-osmosis experiments will be conducted to study the transport of contaminants in the soil-water systems. Organic contaminants that are released from the soil substrate will be treated by an advanced oxidation process, i.e., electron-Fantan. Finally, laboratory reactor integrating the elector-osmosis and elector-Fantan processes will be used to study the treatment of contaminated soil in situ.
Date:
May 31, 2001
Creator:
Huang, Chin-Pao
Object Type:
Report
System:
The UNT Digital Library
Elementary and Secondary Education: Reconsideration of the Federal Role by the 107th Congress
This report brief provides an overview of legislation to reauthorize the ESEA, ERDDIA, and NESA.
Date:
December 31, 2001
Creator:
Riddle, Wayne & Stedman, James
Object Type:
Report
System:
The UNT Digital Library
EMERGE - ESnet/MREN Regional Science Grid Experimental NGI Testbed
This document is the final report on the EMERGE Science Grid testbed research project from the perspective of the International Center for Advanced Internet Research (iCAIR) at Northwestern University, which was a subcontractor to this UIC project. This report is a compilation of information gathered from a variety of materials related to this project produced by multiple EMERGE participants, especially those at Electronic Visualization Lab (EVL) at the University of Illinois at Chicago (UIC), Argonne National Lab and iCAIR. The EMERGE Science Grid project was managed by Tom DeFanti, PI from EVL at UIC.
Date:
July 31, 2001
Creator:
Mambretti, Joe; DeFanti, Tom & Brown, Maxine
Object Type:
Report
System:
The UNT Digital Library
Emplacement Drift System Description Document
The Emplacement Drift System is part of the Engineered Barrier System and provides the interface between the various waste package (WP) systems and the Ground Control System. In conjunction with the various WPs, the Emplacement Drift System limits the release and transport of radionuclides from the WP to the Natural Barrier following waste emplacement. Collectively, the Emplacement Drift System consists of the structural support hardware (emplacement drift invert and WP emplacement pallet) and any performance-enhancing barriers (drip shields and invert ballast) installed or placed in the emplacement drifts. The Emplacement Drift System is entirely located within the emplacement drifts in the subsurface portion of the Monitored Geologic Repository (MGR); specifically, it is physically bounded by the Subsurface Facility System, the Ground Support System, and the Natural Barrier. The Emplacement Drift System supports the key MGR functions of limiting radionuclide release to the Natural Barrier, minimizing the likelihood of a criticality external to the WPs, limiting natural and induced environmental effects, and providing WP support. The Emplacement Drift System limits radionuclide release to the Natural Barrier by controlling the movement of radionuclides within the emplacement drift and to the Natural Barrier, and by limiting water contact with the WPs. The Emplacement …
Date:
July 31, 2001
Creator:
Loros, Eric
Object Type:
Report
System:
The UNT Digital Library
Energetic Particle Effects Can Explain the Low Frequency of Alfvin Modes in the DIII-D Tokamak
During beam injection in the DIII-D tokamak, modes with lower frequencies than expected for toroidicity-induced Alfvin eigenmodes (TAE) are often observed. We present the analysis of one of these ''beta-induced Alfvin eigenmodes'' (BAE) with a high-n stability code HINST that includes the effect of the energetic ions on the mode frequency. It shows that the ''BAE'' could be the theoretically predicted resonant-TAE (RTAE), which is also called an energetic-particle mode (EPM).
Date:
January 31, 2001
Creator:
Gorelenkov, N. N. & Heidbrink, W. W.
Object Type:
Report
System:
The UNT Digital Library
Energy Consumption and Expenditure Projections by Population Group on the Basis on the Annual Energy Outlook 2000 Forecast.
The changes in the patterns of energy use and expenditures by population group are analyzed by using the 1993 and 1997 Residential Energy Consumption Surveys. Historically, these patterns have differed among non-Hispanic White households, non-Hispanic Black households, and Hispanic households. Patterns of energy use and expenditures are influenced by geographic and metropolitan location, the composition of housing stock, economic and demographic status, and the composition of energy use by end-use category. As a consequence, as energy-related factors change across groups, patterns of energy use and expenditures also change. Over time, with changes in the composition of these factors by population group and their variable influences on energy use, the impact on energy use and expenditures has varied across these population groups.
Date:
May 31, 2001
Creator:
Poyer, D. A. & Sciences, Decision and Information
Object Type:
Report
System:
The UNT Digital Library
Energy in 2001: Crisis Again?
This report deals with changes in the national energy picture since the early 1990s, when Congress last dealt at length with energy policy. It reviews the problem areas and discusses differing views on how to deal with the energy situation in the long run. A summary of some current legislative initiatives is also given.
Date:
July 31, 2001
Creator:
Behrens, Carl E.
Object Type:
Report
System:
The UNT Digital Library
Engineering Development of Slurry Bubble Column Reactor (SBCR) Technology Quarterly Technical Progress Report: Number 24
The major technical objectives of this program are threefold: (1) to develop the design tools and a fundamental understanding of the fluid dynamics of a slurry bubble column reactor to maximize reactor productivity, (2) to develop the mathematical reactor design models and gain an understanding of the hydrodynamic fundamentals under industrially relevant process conditions, and (3) to develop an understanding of the hydrodynamics and their interaction with the chemistries occurring in the bubble column reactor. Successful completion of these objectives will permit more efficient usage of the reactor column and tighter design criteria, increase overall reactor efficiency, and ensure a design that leads to stable reactor behavior when scaling up to large diameter reactors. Washington University's work for the quarter involved the study of the dynamic simulations of bubble columns in three dimensions. Work was also done in dynamic simulations of two-phase transient flow using CFDLIB. Ohio State measured the axial dispersion coefficients of the liquid phase. The steady-state thermal dispersion method was used to obtain the measurements. Iowa State followed the last quarter's work by using CFDLIB to simulate conditions described in the literature, with the objective of validating the simulation result. The group's work also led to a …
Date:
March 31, 2001
Creator:
Toseland, Bernard A.
Object Type:
Report
System:
The UNT Digital Library
Enhanced Oil Recovery with Downhole Vibration Stimulation in Osage County, Oklahoma
This Technical Quarterly Report is for the reporting period September 30, 2001 to December 31, 2001. The report provides details of the work done on the project entitled ''Enhanced Oil Recovery with Downhole Vibration Stimulation in Osage County Oklahoma''. The project is divided into nine separate tasks. Several of the tasks are being worked on simultaneously, while other tasks are dependent on earlier tasks being completed. The vibration stimulation well was permitted as Well 111-W-27, section 8 T26N R6E Osage County Oklahoma. It was spud July 28, 2001 with Goober Drilling Rig No. 3. The well was drilled to 3090-feet cored, logged, cased and cemented. The Rig No.3 moved off August 6, 2001. Phillips Petroleum Co. has performed standard core analysis on the cores recovered from the test well. Standard porosity, permeability and saturation measurements have been conducted. Phillips has begun the sonic stimulation core tests. Calumet Oil Company, the operator of the NBU, has been to collecting both production and injection wells information to establish a baseline for the project in the pilot field test area since May 2001. The 7-inch Downhole Vibration Tool (DHVT) has been built and has been run in a shallow well for initial power …
Date:
December 31, 2001
Creator:
Brett, J. Ford & Westermark, Robert V.
Object Type:
Report
System:
The UNT Digital Library
Enhanced Oil Recovery with Downhole Vibration Stimulation in Osage County Oklahoma
The objective of this project is to demonstrate the impact of downhole vibration stimulation on oil production rates in a mature waterflood field. Oil & Gas Consultants International, Inc. (OGCI) will manage the project in close cooperation with the Osage Tribe as the tests will be conducted in Osage County, Oklahoma, the mineral estate of the Osage Tribe. The field is owned and operated by Calumet Oil Company. Phillips Petroleum Company will contribute their proprietary vibration core analysis of cores recovered from the pilot test area. To achieve the project objectives, the work has been divided into nine tasks, some are concurrent, while other tasks rely on completion of previous steps. The operator, Calumet Oil Company operates several field in Osage County Oklahoma. The North Burbank Unit will be the site of the test. The team will then determine where within the field to optimally locate the vibration test well. With the location determined, the test well will be drilled, cored, logged and 7-inch production casing run and cemented. In a parallel effort, OGCI will be designing, building, and testing a new version of the downhole vibration tool based on their patented and field proven whirling orbital vibrator. With the …
Date:
March 31, 2001
Creator:
Brett, J. Ford & Westermark, Robert V.
Object Type:
Report
System:
The UNT Digital Library
Enhancing the Use of Coals by Reburning-Sorbent Injection
None
Date:
January 31, 2001
Creator:
National Energy Technology Laboratory (U.S.)
Object Type:
Report
System:
The UNT Digital Library
Environmental Contamination: Cleanup Actions at Formerly Used Defense Sites
A letter report issued by the General Accounting Office with an abstract that begins "The U.S. Army Corps of Engineers estimates that it will spend as much as $20 billion to clean up contamination at thousands of properties that were once owned, leased, or operated by the Defense Department (DOD). These properties contain hazardous, toxic, and radioactive wastes in the soil and water or in containers, such as underground storage tanks. The Corps is responsible for cleaning up the hazards, including removing underground storage tanks. DOD's annual report on its environmental restoration activities can provide a misleading picture of the Corps' accomplishments. DOD's accounts of completed projects include projects that were ineligible or that did not involve any actual cleanup effort. As a result, the impression is that--after 15 years and expenditures of $2.6 billion--more than half of the projects at formerly used defense sites have been completed. In reality, only about 32 percent of those projects that required actual cleanup actions have been completed, and those are the cheapest and least technologically challenging. The Corps estimates that the remaining projects will cost more than $13 billion and take upwards of 70 years to complete. The Corps' reporting of completed …
Date:
July 31, 2001
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library
Environmental Protection: Federal Incentives Could Help Promote Land Use That Protects Air and Water Quality
A chapter report issued by the General Accounting Office with an abstract that begins "Americans have become increasingly concerned about the downside of growth and development--increasing dependence on automobiles; worsening traffic congestion; and the loss of farmland, forests, and open space. Some are also concerned that "urban sprawl" can increase air and water pollution, endanger their health, and even threaten their livelihood. Most local transportation planners and state air quality managers do not consider the effects of different land use strategies on air quality. They do not do so principally because nonpoint sources are diffuse and difficult to identify and measure. According to local transportation planners and state air quality managers, federal agencies could help remove barriers to, and provide incentives for, assessing and mitigating the environmental impacts of land use. They proposed actions in the following three key areas: (1) financial incentives for transportation, environmental, and local decisionmakers to collaborate on land use strategies that limit adverse impacts on air and water quality; (2) technical capacity to assess and mitigate land use impacts; and (3) educating the public and local officials about the environmental impacts of their transportation and land use decisions and alternative development strategies that better protect …
Date:
October 31, 2001
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library
Equivalence Ratio-EGR Control of HCCI Engine Operation and the Potential for Transition to Spark-Ignited Operation
This research investigates a control system for HCCI engines, where equivalence ratio, fraction of EGR and intake pressure are adjusted as needed to obtain satisfactory combustion. HCCI engine operation is analyzed with a detailed chemical kinetics code, HCT (Hydrodynamics, Chemistry and Transport), that has been extensively modified for application to engines. HCT is linked to an optimizer that determines the operating conditions that result in maximum brake thermal efficiency, while meeting the peak cylinder pressure restriction. The results show the values of the operating conditions that yield optimum efficiency as a function of torque and rpm. The engine has high NO{sub x} emissions for high power operation, so the possibility of switching to stoichiometric operation for high torque conditions is considered. Stoichiometric operation would allow the use of a three-way catalyst to reduce NO{sub x} emissions to acceptable levels. Finally, the paper discusses the possibility of transitioning from HCCI operation to SI operation to achieve high power output.
Date:
July 31, 2001
Creator:
Martinez-Frias, J; Aceves, S M; Flowers, D L; Smith, J R & Dibble, R
Object Type:
Article
System:
The UNT Digital Library
Establishment of an Industry-Driven Consortium Focused on Improving the Production Performance of Domestic Stripper Wells
None
Date:
December 31, 2001
Creator:
Morrison, Joel L.
Object Type:
Report
System:
The UNT Digital Library
Evaluate Habitat Use and Population Dynamics of Lampreys in Cedar Creek, 2000 Annual Report.
Pacific lamprey (Lampetra tridentata) in the Columbia River Basin have declined to a remnant of their pre-1940s populations and the status of the western brook lamprey (L. richardsoni) is unknown. Identifying the biological and ecological factors limiting lamprey populations is critical to their recovery, but little research has been conducted on these species within the Columbia River Basin. This ongoing, multi-year study examines lamprey populations in Cedar Creek, Washington, a third-order tributary to the Lewis River. Adult (n = 40), metamorphosed (n = 116), transforming (n = 10), and ammocoete (n = 870) stages from both species were examined in 2000. Lamprey were captured using adult fish ladders, rotary screw traps, and lamprey electrofishers, and spawning ground surveys were conducted. US Forest Service level II and strategic point-specific habitat surveys were conducted to assess habitat requirements of both adult and larval lamprey. Multivariate statistics will be applied to determine relationships between abundance and habitat.
Date:
March 31, 2001
Creator:
Stone, Jennifer
Object Type:
Report
System:
The UNT Digital Library
Evaluation of Codisposal Viability for Melt and Dilute DOE-Owned Fuel
There are more than 250 forms of U.S. Department of Energy (DOE)-owned spent nuclear fuel (SNF). Due to the variety of the spent nuclear fuel, the National Spent Nuclear Fuel Program has designated nine representative fuel groups for disposal criticality analyses based on fuel matrix, primary fissile isotope, and enrichment (DOE 2000b, Section 6.6.8). The Melt and Dilute (MD) SNF has been designated as the representative fuel for the high-enriched U-Al fuel group. The MD SNF consists of homogeneous cylindrical ingots with 16.5 in. (419.1 mm) maximum diameter. Two general ingot compositions are considered in the criticality and geochemistry analyses. The first composition consists of 8.2 to 18.2 wt% uranium, enriched at less than 20 wt% U-235 and 0.5 wt% gadolinium, with the balance of the ingot being aluminum. The second composition is identical to the first for uranium and gadolinium, but in this case 2.5 wt% of the ingot is hafnium, with the balance of the ingot being aluminum. The results of the analyses performed will be used to develop waste acceptance criteria. The items that are important to criticality control are identified based on the analysis needs and result sensitivities. Prior to acceptance of fuel from the high-enriched …
Date:
July 31, 2001
Creator:
Radulescu, H.
Object Type:
Report
System:
The UNT Digital Library
Evaluation of MOSFETS and IGBTS for Pulsed Power Applications
Single solid-state devices or arrays of solid-state devices are being incorporated into many pulsed power applications as a means of generating fast, high-power, high repetition-rate pulses and ultimately replacing hard tubes and thyratrons. While vendors' data sheets provide a starting point for selecting solid-state devices, most data sheets do not have sufficient information to determine performance in a pulsed application. To obtain this relevant information, MOSFET's and IGBT's from a number of vendors have been tested to determine rise times, fall times and current handling capabilities. The emphasis is on the evaluation of devices that can perform in the range of 100ns pulse widths and the test devices must be capable of switching 1000 volts or greater at a pulsed current of at least 25 amperes. Additionally, some devices were retest with a series magnetic switch to evaluate the effects on switching parameters and specifically rise times. All devices were evaluated under identical conditions and the complete test results are presented.
Date:
May 31, 2001
Creator:
Hickman, B. & Cook, E.
Object Type:
Article
System:
The UNT Digital Library
Ewing Symposium in Honor of Taro Takahashi: The controversial aspects of the contemporary [carbon] cycle
This Ewing Symposium in honor of Taro Takahashi's work on the carbon cycle was held at Lamont-Doherty Earth Observatory, Palisades, New York, on October 26-27, 2000. A program and set of abstracts are appended to this report. A summary of the meeting (included in this report) will be published in Global Biogeochemical Cycles. The theme of the symposium was the magnitude and cause of excess carbon storage on the north temperate continents. Disagreement exists on the relative roles of forest regrowth and fertilization by excess fixed nitrogen and carbon dioxide, as well as the distribution of this storage. Phenomena playing important roles include pre-anthropogenic gradients in carbon dioxide, the so-called rectification effect, uptake and release of carbon dioxide by the ocean, soil nitrogen dynamics, atmospheric carbon-13 gradients, and the role of fire.
Date:
December 31, 2001
Creator:
Broecker, Wallace Smith
Object Type:
Report
System:
The UNT Digital Library
Experimental and numerical simulation of dissolution andprecipitation: Implications for fracture sealing at Yucca Mountain,Nevada
Plugging of flow paths caused by mineral precipitation in fractures above the potential repository at Yucca Mountain, Nevada, would reduce the probability of water seeping into the repository. As part of an ongoing effort to evaluate thermal-hydrologic-chemical (THC) effects on flow in fractured media, we performed a laboratory experiment and numerical simulations to investigate mineral dissolution and precipitation under anticipated temperature and pressure conditions in the repository. To replicate mineral dissolution by vapor condensate in fractured tuff, water was flowed through crushed Yucca Mountain tuff at 94 C. The resulting steady-state fluid composition had a total dissolved solids content of about 140 mg/L; silica was the dominant dissolved constituent. A portion of the steady-state mineralized water was flowed into a vertically oriented planar fracture in a block of welded Topopah Spring Tuff that was maintained at 80 C at the top and 130 C at the bottom. The fracture began to seal with amorphous silica within five days. A 1-D plug-flow numerical model was used to simulate mineral dissolution, and a similar model was developed to simulate the flow of mineralized water through a planar fracture, where boiling conditions led to mineral precipitation. Predicted concentrations of the major dissolved constituents …
Date:
August 31, 2001
Creator:
Dobson, Patrick F.; Kneafsey, Timothy J.; Sonnenthal, Eric L.; Spycher, Nicolas & Apps, John A.
Object Type:
Article
System:
The UNT Digital Library
Export Controls: Reengineering Business Processes Can Improve Efficiency of State Department License Reviews
A letter report issued by the General Accounting Office with an abstract that begins "The U.S. defense industry and some foreign government purchasers have expressed concern that the U.S. export control process is unnecessarily burdensome. Defense industry officials contend that extended reviews of export license applications by the State Department have resulted in lost sales and are harming the nation's defense industry. The State Department's Office of Defense Trade Controls is responsible for licensing the export and temporary import of defense articles and services. Many license applications take a long time to review because of their complexity and the need to consider different points of view. However, several conditions make the application review process less efficient and cause delays. The State Department has not established formal guidelines for determining the agencies and offices that need to review license applications. As a result, the licensing office refers more license applications to other agencies and offices than may be necessary. Furthermore, many license application reviewers in State Department reviewing offices consider license reviews a low priority. The State Department lacks procedures to monitor the flow of license applications through the review process. The State Department has hired new licensing officers which license …
Date:
December 31, 2001
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library
Export Controls: Regulatory Change Needed to Comply with Missile Technology Licensing Requirements
A letter report issued by the General Accounting Office with an abstract that begins "The United States and several major trading partners created the Missile Technology Control Regime in 1987 to control the spread of missile technology. To carry out the U.S. commitment to the agreement, Congress passed the National Defense Authorization Act of Fiscal Year 1991, which amended two U.S. export control statutes: the Export Administration Act and the Arms Export Control Act. Two federal agencies, the Department of Commerce and the Department of State, are responsible for implementing the regulations for controlling missile technology exports. This report discusses whether the regulations for controlling the export of Missile Technology Control Regime items (1) are consistent with U.S. law and (2) provide a consistent U.S. policy on the control of missile technology. GAO found that Commerce's export regulations are inconsistent with an amendment to the Export Administration Act that requires an individual export license for all controlled dual-use missile equipment and technology to all countries. Commerce's regulations do not require licenses for the export of controlled missile equipment and technology to Canada. Commerce did not cite any section of this statute or its legislative history to justify the inconsistency between …
Date:
May 31, 2001
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library