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2007 Savannah River Site Annual Illness and Injury Surveillance Report (open access)

2007 Savannah River Site Annual Illness and Injury Surveillance Report

The U.S. Department of Energy’s (DOE) commitment to assuring the health and safety of its workers includes the conduct of epidemiologic surveillance activities that provide an early warning system for health problems among workers. The Illness and Injury Surveillance Program monitors illnesses and health conditions that result in an absence of workdays, occupational injuries and illnesses, and disabilities and deaths among current workers.
Date: May 5, 2009
Creator: United States. Department of Energy. Office of Health, Safety, and Security.
System: The UNT Digital Library
The 2009 Influenza A (H1N1) "Swine Flu" Outbreak: An Overview (open access)

The 2009 Influenza A (H1N1) "Swine Flu" Outbreak: An Overview

This report provides an overview of key actions taken and authorities invoked by WHO and the U.S. government. First, it discusses the WHO process to determine the phase of a threatened or emerging flu pandemic and touches on a number of related issues. The report then examines actions taken by the Departments of Homeland Security and Health and Human Services and provides information about appropriations and funding for pandemic flu activities.
Date: May 5, 2009
Creator: Lister, Sarah A. & Redhead, C. S.
System: The UNT Digital Library
DAiSES: Dynamic Adaptivity in Support of Extreme Scale Department of Energy Project No. ER25622 Prime Contract No. DE-FG02-04ER25622 Final Report for September 15, 2004-September 14, 2008 (open access)

DAiSES: Dynamic Adaptivity in Support of Extreme Scale Department of Energy Project No. ER25622 Prime Contract No. DE-FG02-04ER25622 Final Report for September 15, 2004-September 14, 2008

The DAiSES project [Te04] was focused on enabling conventional operating systems, in particular, those running on extreme scale systems, to dynamically customize system resource management in order to offer applications the best possible environment in which to execute. Such dynamic adaptation allows operating systems to modify the execution environment in response to changes in workload behavior and system state. The main challenges of this project included determination of what operating system (OS) algorithms, policies, and parameters should be adapted, when to adapt them, and how to adapt them. We addressed these challenges by using a combination of static analysis and runtime monitoring and adaptation to identify a priori profitable targets of adaptation and effective heuristics that can be used to dynamically trigger adaptation. Dynamic monitoring and adaptation of the OS was provided by either kernel modifications or the use of KernInst and Kperfmon [Wm04]. Since Linux, an open source OS, was our target OS, patches submitted by kernel developers and researchers often facilitated kernel modifications. KernInst operates on unmodified commodity operating systems, i.e., Solaris and Linux; it is fine-grained, thus, there were few constraints on how the underlying OS can be modified. Dynamically adaptive functionality of operating systems, both in …
Date: May 5, 2009
Creator: Teller, Patricia J.
System: The UNT Digital Library
DEVELOPMENT OF REMOTE HANFORD CONNECTOR GASKET REPLACEMENT TOOLING FOR DWPF (open access)

DEVELOPMENT OF REMOTE HANFORD CONNECTOR GASKET REPLACEMENT TOOLING FOR DWPF

The Defense Waste Processing Facility (DWPF) requested the Savannah River National Laboratory (SRNL) to develop tooling and equipment to remotely replace gaskets in mechanical Hanford connectors to reduce personnel radiation exposure as compared to the current hands-on method. It is also expected that radiation levels will continually increase with future waste streams. The equipment is operated in the Remote Equipment Decontamination Cell (REDC), which is equipped with compressed air, two master-slave manipulators (MSM's) and an electro-mechanical manipulator (EMM) arm for operation of the remote tools. The REDC does not provide access to electrical power, so the equipment must be manually or pneumatically operated. The MSM's have a load limit at full extension of ten pounds, which limited the weight of the installation tool. In order to remotely replace Hanford connector gaskets several operations must be performed remotely, these include: removal of the spent gasket and retaining ring (retaining ring is also called snap ring), loading the new snap ring and gasket into the installation tool and installation of the new gasket into the Hanford connector. SRNL developed and tested tools that successfully perform all of the necessary tasks. Removal of snap rings from horizontal and vertical connectors is performed by …
Date: May 5, 2009
Creator: Krementz, D. & Coughlin, Jeffrey
System: The UNT Digital Library
FY2009 Spring Supplemental Appropriations for Overseas Contingency Operations (open access)

FY2009 Spring Supplemental Appropriations for Overseas Contingency Operations

This report discusses the White House's request for supplemental appropriations that include funding for defense, foreign affairs, and domestic fire fighting. The report details the different programs and areas that the appropriations would fund, including operations in Iraq and Afghanistan, preparedness and emergency management measures relating to the swine flu outbreak, border security between the United States and Mexico, benchmark assessment in Afghanistan and Pakistan, and other general defense operations.
Date: May 5, 2009
Creator: Daggett, Stephen; Epstein, Susan B.; Margesson, Rhoda; Nakamura, Kennon H.; Tarnoff, Curt; Kronstadt, K. Alan et al.
System: The UNT Digital Library
IMPACT OF TIME / TEMPERATURE CURING CONDITIONS AND ALUMINATE CONCENTRATIONS ON SALTSTONE PROPERTIES (open access)

IMPACT OF TIME / TEMPERATURE CURING CONDITIONS AND ALUMINATE CONCENTRATIONS ON SALTSTONE PROPERTIES

This report addresses the impact of (1) the time and temperature curing conditions (profile) and (2) the impact of higher aluminate concentrations in the decontaminated salt solution on Saltstone processing and performance properties. The results demonstrate that performance properties as well as some of the processing properties of Saltstone are highly sensitive to the conditions of time and temperature under which curing occurs. This sensitivity is in turn dependent on the concentration of aluminate in the salt feed solution. In general, the performance properties and indicators (Young's modulus, compressive strength and total porosity) are reduced when curing is initially carried out under high temperature. However, this reduction in performance properties is dependent on the sequence of temperatures (the time/temperature profile) experienced during the curing process. That is, samples that are subjected to a 1, 2, 3 or 4 day curing time at 60 C followed by final curing at 22 C lead to performance properties that are significantly different than the properties of grouts allowed to cure for 1, 2, 3 or 4 days at 22 C followed by a treatment at 60 C. The performance properties of Saltstone cured in the sequence of higher temperature first are generally less …
Date: May 5, 2009
Creator: Harbour, J.; Edwards, T. & Williams, V.
System: The UNT Digital Library
Long-Range Ballistic Missile Defense in Europe (open access)

Long-Range Ballistic Missile Defense in Europe

This report discusses how successive U.S. governments have urged the creation of an anti-missile system to protect against long-range ballistic missile threats from adversary states. The proposed U.S. system has encountered resistance in some European countries and beyond.
Date: May 5, 2009
Creator: Hildreth, Steven A. & Ek, Carl
System: The UNT Digital Library
Navy Littoral Combat Ship (LCS) Program: Background, Oversight Issues, and Options for Congress (open access)

Navy Littoral Combat Ship (LCS) Program: Background, Oversight Issues, and Options for Congress

The Navy is procuring a new type of surface combatant called the Littoral Combat Ship (LCS). The Navy wants to procure a total of 55 LCSs. This report details the 2007 restructuring of the LCS program, as well as various financial information relating to the program. The issue for Congress is whether to approve, reject, or modify the Navy's plans for the LCS program. The LCS program raises potential oversight issues for Congress relating to various aspects of the program, all of which are explored within this report.
Date: May 5, 2009
Creator: O'Rourke, Ronald
System: The UNT Digital Library
North Korea's Nuclear Weapons: Technical Issues (open access)

North Korea's Nuclear Weapons: Technical Issues

This report summarizes what is known from open sources about the North Korean nuclear weapons program--including weapons-usable fissile material and warhead estimates--and assesses current developments in achieving denuclearization.
Date: May 5, 2009
Creator: Nikitin, Mary Beth
System: The UNT Digital Library
Scaling up of Carbon Exchange Dynamics from AmeriFlux Sites to a Super-Region in the Eastern United States (open access)

Scaling up of Carbon Exchange Dynamics from AmeriFlux Sites to a Super-Region in the Eastern United States

The primary objective of this project was to evaluate carbon exchange dynamics across a region of North America between the Great Plains and the East Coast. This region contains about 40 active carbon cycle research (AmeriFlux) sites in a variety of climatic and landuse settings, from upland forest to urban development. The core research involved a scaling strategy that uses measured fluxes of CO{sub 2}, energy, water, and other biophysical and biometric parameters to train and calibrate surface-vegetation-atmosphere models, in conjunction with satellite (MODIS) derived drivers. To achieve matching of measured and modeled fluxes, the ecosystem parameters of the models will be adjusted to the dynamically variable flux-tower footprints following Schmid (1997). High-resolution vegetation index variations around the flux sites have been derived from Landsat data for this purpose. The calibrated models are being used in conjunction with MODIS data, atmospheric re-analysis data, and digital land-cover databases to derive ecosystem exchange fluxes over the study domain.
Date: May 5, 2009
Creator: Schmid, Hans Peter & Wayson, Craig
System: The UNT Digital Library
U.S. Accession to ASEAN's Treaty of Amity and Cooperation (TAC) (open access)

U.S. Accession to ASEAN's Treaty of Amity and Cooperation (TAC)

This report analyze the legal and diplomatic issues involved with the possible accession of the Association of Southeast Asian Nations' (ASEAN) Treaty of Amity and Cooperation (TAC) by the United States. It is expected that this process could be concluded within the year.
Date: May 5, 2009
Creator: Manyin, Mark E.; Garcia, Michael J. & Morrison, Wayne M.
System: The UNT Digital Library
Beta-cell Assembly for the Quad Gas Sampling Detector (open access)

Beta-cell Assembly for the Quad Gas Sampling Detector

The beta-cells used in the beta-gamma detector have taken time to develop and to standardize the assembly of them. In making the assembly routine it is important to have step by step assembly instructions as well as a list of potential problems and their solutions. This document attempts to accomplish these goals.
Date: May 5, 2008
Creator: Cooper, Matthew W.; Bowyer, Ted W.; McIntyre, Justin I.; Hayes, James C.; Heimbigner, Tom R.; Ripplinger, Michael D. et al.
System: The UNT Digital Library
Biomass Biorefinery for the production of Polymers and Fuels (open access)

Biomass Biorefinery for the production of Polymers and Fuels

The conversion of biomass crops to fuel is receiving considerable attention as a means to reduce our dependence on foreign oil imports and to meet future energy needs. Besides their use for fuel, biomass crops are an attractive vehicle for producing value added products such as biopolymers. Metabolix, Inc. of Cambridge proposes to develop methods for producing biodegradable polymers polyhydroxyalkanoates (PHAs) in green tissue plants as well as utilizating residual plant biomass after polymer extraction for fuel generation to offset the energy required for polymer extraction. The primary plant target is switchgrass, and backup targets are alfalfa and tobacco. The combined polymer and fuel production from the transgenic biomass crops establishes a biorefinery that has the potential to reduce the nation’s dependence on foreign oil imports for both the feedstocks and energy needed for plastic production. Concerns about the widespread use of transgenic crops and the grower’s ability to prevent the contamination of the surrounding environment with foreign genes will be addressed by incorporating and expanding on some of the latest plant biotechnology developed by the project partners of this proposal. This proposal also addresses extraction of PHAs from biomass, modification of PHAs so that they have suitable properties for …
Date: May 5, 2008
Creator: Peoples, Dr. Oliver P.
System: The UNT Digital Library
Bisphenol A (BPA) in Plastics and Possible Human Health Effects (open access)

Bisphenol A (BPA) in Plastics and Possible Human Health Effects

This report discusses about Bisphenol A (BPA) in Plastics and Possible Human Health Effects.
Date: May 5, 2008
Creator: Schierow, Linda-Jo & Lister, Sarah A.
System: The UNT Digital Library
China's Sovereign Wealth Fund (open access)

China's Sovereign Wealth Fund

This report discusses China's ruling executive body, the State Council, which establishes the China Investment Corporation (CIC), a sovereign wealth fund, in September 2007 to invest $200 billion of China's then $1.4 trillion in foreign exchange reserves. Congress and financial analysts raised concerns about the CIC after its creation, partly because it was a comparatively large sovereign wealth fund, partly because it was government-owned, and partly because it reported directly to the State Council.
Date: May 5, 2008
Creator: Martin, Michael F.
System: The UNT Digital Library
Climate Change: The Role of the U.S. Agriculture Sector (open access)

Climate Change: The Role of the U.S. Agriculture Sector

This report is organized in three parts. First, it discusses the extent of GHG emissions associated with the U.S. agriculture sector, and cites current and potential estimates for U.S. agricultural soils to sequester carbon and partly offset national GHG emissions. Second, the report describes the types of land management and farm conservation practices that can reduce GHG emissions and/or sequester carbon in agricultural soils, highlighting those practices that are currently promoted under existing voluntary federal agricultural programs. The Appendix provides a summary primer of the key background information presented in these first two sections. Finally, the report describes ongoing legislative action within both the climate change and farm bill debates, and discusses the types of questions that may be raised regarding the role of the U.S. agriculture sector in the broader climate change debate.
Date: May 5, 2008
Creator: Johnson, Renée
System: The UNT Digital Library
Congressional Record: Its Production, Distribution, and Accessibility (open access)

Congressional Record: Its Production, Distribution, and Accessibility

This report provides information about the Production, Distribution, and Accessibility of Congressional Record. The Congressional Record is the most widely published account of the debates and activities in congress.
Date: May 5, 2008
Creator: Amer, Mildred
System: The UNT Digital Library
Crack growth rates and metallographic examinations of Alloy 600 and Alloy 82/182 from field components and laboratory materials tested in PWR environments. (open access)

Crack growth rates and metallographic examinations of Alloy 600 and Alloy 82/182 from field components and laboratory materials tested in PWR environments.

In light water reactors, components made of nickel-base alloys are susceptible to environmentally assisted cracking. This report summarizes the crack growth rate results and related metallography for field and laboratory-procured Alloy 600 and its weld alloys tested in pressurized water reactor (PWR) environments. The report also presents crack growth rate (CGR) results for a shielded-metal-arc weld of Alloy 182 in a simulated PWR environment as a function of temperature between 290 C and 350 C. These data were used to determine the activation energy for crack growth in Alloy 182 welds. The tests were performed by measuring the changes in the stress corrosion CGR as the temperatures were varied during the test. The difference in electrochemical potential between the specimen and the Ni/NiO line was maintained constant at each temperature by adjusting the hydrogen overpressure on the water supply tank. The CGR data as a function of temperature yielded activation energies of 252 kJ/mol for a double-J weld and 189 kJ/mol for a deep-groove weld. These values are in good agreement with the data reported in the literature. The data reported here and those in the literature suggest that the average activation energy for Alloy 182 welds is on the …
Date: May 5, 2008
Creator: Alexandreanu, B.; Chopra, O. K. & Shack, W. J.
System: The UNT Digital Library
Defense: FY2009 Authorization and Appropriations (open access)

Defense: FY2009 Authorization and Appropriations

None
Date: May 5, 2008
Creator: Towell, Pat & Daggett, Stephen
System: The UNT Digital Library
Drilling, Sampling, and Well-Installation Plan for the IFC Well Field, 300 Area (open access)

Drilling, Sampling, and Well-Installation Plan for the IFC Well Field, 300 Area

The 300 Area was selected as a location for an IFC because it offers excellent opportunities for field research on the influence of mass-transfer processes on uranium in the vadose zone and groundwater. The 300 Area was the location of nuclear fuel fabrication facilities and has more than 100 waste sites. Two of these waste sites, the North and South Process Ponds received large volumes of process waste from 1943 to 1975 and are thought to represent a significant source of the groundwater uranium plume in the 300 Area. Geophysical surveys and other characterization efforts have led to selection of the South Process Pond for the IFC.
Date: May 5, 2008
Creator: Bjornstad, Bruce N. & Horner, Jacob A.
System: The UNT Digital Library
The Emergency Alert System (EAS) and All-Hazard Warnings (open access)

The Emergency Alert System (EAS) and All-Hazard Warnings

This report provides an overview of the Emergency Alert System (EAS) and all hazard warnings. EAS is one of several federally managed warning systems which administers with FEMA and FCC.
Date: May 5, 2008
Creator: Moore, Linda K.
System: The UNT Digital Library
Final Technical Report for “A Heliportable Sonic Drilling Platform for Microhole Drilling and Exploration” (open access)

Final Technical Report for “A Heliportable Sonic Drilling Platform for Microhole Drilling and Exploration”

The Phase I objectives were fully achieved the execution of a program that included the: • Development of a comprehensive model of the sonic drill technology and interaction of the dynamic drilling parameters with the impedance of the earth. • Operation and measurement of the sonic drilling process in the field at full scale. • Comparison of the analytical and experimental results to form an objective and quantified approach to describe the fundamental phenomena and to develop a methodology for automated control of the sonic drilling process. • Conceptual design of a modular sonic drilling system that can be transported to remote sites by helicopter. As a result, the feasibility of a commercially viable sonic drilling technology that can produce microholes up to 1,500 feet in depth, and that is field deployable to remote, environmentally sensitive sites via a helicopter, has been demonstrated.
Date: May 5, 2008
Creator: Lucon, Peter
System: The UNT Digital Library
Item Veto and Expanded Impoundment Proposals: Legislative History and Current Status (open access)

Item Veto and Expanded Impoundment Proposals: Legislative History and Current Status

This report provides an overview of the history and current status of the item veto and expanded impoundment proposals.
Date: May 5, 2008
Creator: McMurtry, Virginia A.
System: The UNT Digital Library
The NATO Summit at Bucharest, 2008 (open access)

The NATO Summit at Bucharest, 2008

NATO held a summit in Bucharest, Romania, April 2-4, 2008. The summit did not become the occasion to adopt major new ideas or initiatives. A "Strategic Vision" paper on Afghanistan clarified several issues but did not lead to a greater sharing of the combat burden among NATO governments. Croatia and Albania, but not Macedonia, were invited to begin accession negotiations for membership. In a contentious debate, neither Georgia nor Ukraine were admitted to the MAP process. The debate over missile defense led to the consolidation of an evolving allied position. See also CRS Report RL34415, Enlargement Issues at NATO's Bucharest Summit, coordinated by Paul Gallis.
Date: May 5, 2008
Creator: Gallis, Paul
System: The UNT Digital Library