Aviation Security: Preliminary Observations on TSA's Progress and Challenges in Meeting the Statutory Mandate for Screening Air Cargo on Passenger Aircraft (open access)

Aviation Security: Preliminary Observations on TSA's Progress and Challenges in Meeting the Statutory Mandate for Screening Air Cargo on Passenger Aircraft

Testimony issued by the Government Accountability Office with an abstract that begins "The Implementing Recommendations of the 9/11 Commission Act of 2007 mandates the Department of Homeland Security (DHS) to establish a system to physically screen 50 percent of cargo transported on passenger aircraft by February 2009 and 100 percent of such cargo by August 2010. This testimony provides preliminary observations on the Transportation Security Administration's (TSA) progress in meeting the mandate to screen cargo on passenger aircraft and the challenges TSA and industry stakeholders may face in screening such cargo. GAO's testimony is based on products issued from October 2005 through August 2008, and its ongoing review of air cargo security. GAO reviewed TSA's air cargo security programs, interviewed program officials and industry representatives, and visited two large U.S. airports."
Date: March 18, 2009
Creator: United States. Government Accountability Office.
Object Type: Text
System: The UNT Digital Library
Comment on"Air Emissions Due to Wind and Solar Power" and Supporting Information (open access)

Comment on"Air Emissions Due to Wind and Solar Power" and Supporting Information

Katzenstein and Apt investigate the important question of pollution emission reduction benefits from variable generation resources such as wind and solar. Their methodology, which couples an individual variable generator to a dedicated gas plant to produce a flat block of power is, however, inappropriate. For CO{sub 2}, the authors conclude that variable generators 'achieve {approx} 80% of the emission reductions expected if the power fluctuations caused no additional emissions.' They find even lower NO{sub x} emission reduction benefits with steam-injected gas turbines and a 2-4 times net increase in NO{sub x} emissions for systems with dry NO{sub x} control unless the ratio of energy from natural gas to variable plants is greater than 2:1. A more appropriate methodology, however, would find a significantly lower degradation of the emissions benefit than suggested by Katzenstein and Apt. As has been known for many years, models of large power system operations must take into account variable demand and the unit commitment and economic dispatch functions that are practiced every day by system operators. It is also well-known that every change in wind or solar power output does not need to be countered by an equal and opposite change in a dispatchable resource. The …
Date: March 18, 2009
Creator: Mills, Andrew D.; Wiser, Ryan H.; Milligan, Michael & O'Malley, Mark
Object Type: Article
System: The UNT Digital Library
Cooperative Agreement with DOE/OIT on Energy Efficiency and Best Practices - Final Report (open access)

Cooperative Agreement with DOE/OIT on Energy Efficiency and Best Practices - Final Report

This Cooperative Agreement was focuse on the development and dissemination of technologies, best-practices, energy-efficiency assessment programs, etc., that could support industry's drive to become more competitive in a rapidly chaning and highly competitive global marketplace. The Agreement covered a rane of collaborative activities between AIChE and DOE/ITP's various Industries of the Future ("IOF") Teams such as: 1. Help with technology evaluation adn support by providing industry experts to: a) Review solicitation proposals b) Review technology portfolios as deeped appropriate by DOE/ITP c) Market IOF Best Practices through outreach and technical assistance at the plant-level adn via meetings with operations staff. 2) Help establish various programs with industry, academia and National Laboratories to develop tools, methodologies and benchmarks that entities served by IOF would find valuable in establishing goals for improving energy consumption in specific processes. 3) Support IOF with Technology Vision 2020 programs.
Date: March 18, 2009
Creator: Rogers, Joseph E.
Object Type: Report
System: The UNT Digital Library
Defense Acquisitions: DOD Must Prioritize Its Weapon System Acquisitions and Balance Them with Available Resources (open access)

Defense Acquisitions: DOD Must Prioritize Its Weapon System Acquisitions and Balance Them with Available Resources

Testimony issued by the Government Accountability Office with an abstract that begins "Since fiscal year 2000, the Department of Defense (DOD) has significantly increased the number of major defense acquisition programs and its overall investment in them. However, acquisition outcomes have not improved. Over the next 5 years, DOD expects to invest $357 billion on the development and procurement of major defense acquisition programs and billions more on their operation and maintenance. Last year, we reported that the total acquisition cost of DOD's portfolio of major defense programs under development or in production has grown by $295 billion (in fiscal year 2008 dollars). In most cases, the programs we assessed failed to deliver capabilities when promised--often forcing warfighters to spend additional funds on maintaining legacy systems. Continued cost growth results in less funding being available for other DOD priorities and programs, while continued failure to deliver weapon systems on time delays providing critical capabilities to the warfighter. This testimony describes the systemic problems that have contributed to poor cost and schedule outcomes in DOD's acquisition of major weapon systems; recent actions DOD has taken to address these problems; and steps that Congress and DOD need to take to improve the …
Date: March 18, 2009
Creator: United States. Government Accountability Office.
Object Type: Text
System: The UNT Digital Library
Development Of Sustainable Biobased Products And Bioenergy In Cooperation With The Midwest Consortium For Sustainable Biobased Products And Energy (open access)

Development Of Sustainable Biobased Products And Bioenergy In Cooperation With The Midwest Consortium For Sustainable Biobased Products And Energy

Collaborative efforts of Midwest Consortium have been put forth to add value to distiller's grains by further processing them into fermentable sugars, ethanol, and a protein rich co-product consistent with a pathway to a biorenewables industry (Schell et al, 2008). These studies were recently published in the enclosed special edition (Volume 99, Issue 12) of Bioresource Technology journal. Part of them have demonstrated the utilization of distillers grains as additional feedstock for increased ethanol production in the current dry grind process (Kim et al., 2008a, b; Dien et al.,2008, Ladisch et al., 2008a, b). Results showed that both liquid hot water (LHW) pretreatment and ammonia fiber expansion (AFEX) were effective for enhancing digestibility of distiller's grains. Enzymatic digestion of distiller's grains resulted in more than 90% glucose yield under standard assay conditions, although the yield tends to drop as the concentration of dry solids increases. Simulated process mass balances estimated that hydrolysis and fermentation of distillers grains can increase the ethanol yield by 14% in the current dry milling process (Kim et al., 2008c). Resulting co-products from the modified process are richer in protein and oil contents than conventional distiller's grains, as determined both experimentally and computationally. Other research topics …
Date: March 18, 2009
Creator: Ladisch, Michael & Woodson, Randy
Object Type: Report
System: The UNT Digital Library
Federal Financial Assistance: Preliminary Observations on Assistance Provided to AIG (open access)

Federal Financial Assistance: Preliminary Observations on Assistance Provided to AIG

Testimony issued by the Government Accountability Office with an abstract that begins "The Board of Governors of the Federal Reserve System (Federal Reserve) and the Department of the Treasury (Treasury) have made available over $182 billion in assistance to American International Group (AIG) to prevent its failure. However, questions have been raised about the goals of the assistance and how it is being monitored. Also, because AIG is generally known for its insurance operations, questions exist about the effect of the assistance on certain insurance markets. This statement provides preliminary findings on (1) the goals and monitoring of federal assistance to AIG and challenges to AIG's repayment of the assistance; and (2) the potential effects of the federal assistance on the U.S. commercial property/casualty insurance market. GAO's work on these issues is ongoing. To date, we have reviewed relevant documents on the assistance and ongoing operations of AIG, as well as documents issued by the Federal Reserve and Treasury. We also interviewed officials from these organizations as well as industry participants (competitors, brokers, and customers) and insurance regulators, among others."
Date: March 18, 2009
Creator: United States. Government Accountability Office.
Object Type: Text
System: The UNT Digital Library
Federal Lands Provisions of Economic Stimulus Legislation (P.L. 111-5) (open access)

Federal Lands Provisions of Economic Stimulus Legislation (P.L. 111-5)

This report discusses the major federal lands provisions of the American Recovery and Reinvestment Act of 2009 (P.L. 111-5, H.R. 1). It focuses on provisions in the law related to four federal agencies: the Forest Service, the Bureau of Land Management, the Fish and Wildlife Service, and the National Park Service. These provisions relate to construction, resource management, and wildland fire management.
Date: March 18, 2009
Creator: Vincent, Carol H.
Object Type: Report
System: The UNT Digital Library
Federal Register, Volume 74, Number 51, March 18, 2009, Pages 11461-11638 (open access)

Federal Register, Volume 74, Number 51, March 18, 2009, Pages 11461-11638

Daily publication of the U.S. Office of the Federal Register contains rules and regulations, proposed legislation and rule changes, and other notices, including "Presidential proclamations and Executive Orders, Federal agency documents having general applicability and legal effect, documents required to be published by act of Congress, and other Federal agency documents of public interest" (p. ii). Table of Contents starts on page iii.
Date: March 18, 2009
Creator: United States. Office of the Federal Register.
Object Type: Journal/Magazine/Newsletter
System: The UNT Digital Library
Federal Taxation of the Drug Industry and Its Effects on New Drug Development (open access)

Federal Taxation of the Drug Industry and Its Effects on New Drug Development

This report examines the impact of federal taxation on the incentive to invest in new drug development. More specifically, it looks at the provisions in current tax law that affect the performance of the drug industry, compares the industry's federal tax burden with that of other major industries, and assesses the effect of federal taxation on the incentive to invest in new drug development.
Date: March 18, 2009
Creator: Guenther, Gary
Object Type: Report
System: The UNT Digital Library
Final Report - Independent Confirmatory Survey Summary and Results for the Hematite Decommissioning Project (open access)

Final Report - Independent Confirmatory Survey Summary and Results for the Hematite Decommissioning Project

The objectives of the confirmatory surveys were to provide independent contractor field data reviews and to generate independent radiological data for use by the NRC in evaluating the adequacy and accuracy of the licensee’s procedures and survey results.
Date: March 18, 2009
Creator: Bailey, E.N.
Object Type: Report
System: The UNT Digital Library
Health-Care-Associated Infections In Hospitals: Continuing Leadership Needed from HHS to Prioritize Prevention Practices and Improve Data on These Infections (open access)

Health-Care-Associated Infections In Hospitals: Continuing Leadership Needed from HHS to Prioritize Prevention Practices and Improve Data on These Infections

Testimony issued by the Government Accountability Office with an abstract that begins "According to the Centers for Disease Control and Prevention (CDC), health-care-associated infections (HAI)--infections that patients acquire while receiving treatment for other conditions-- are estimated to be 1 of the top 10 causes of death in the nation. The statement GAO is issuing today summarizes a March 2008 report, Health-Care-Associated Infections in Hospitals: Leadership Needed from HHS to Prioritize Prevention Practices and Improve Data on These Infections (GAO-08-283). In this report, GAO examined (1) CDC's guidelines for hospitals to reduce or prevent HAIs and what HHS does to promote their implementation, (2) Centers for Medicare & Medicaid Services' (CMS) and hospital accrediting organizations' required standards for hospitals to reduce or prevent HAIs, and (3) HHS programs that collect data related to HAIs and integration of the data across HHS. To conduct the work, GAO reviewed documents and interviewed HHS and accrediting organization officials. To update certain information for this statement, GAO reviewed relevant HHS documents released after GAO's March 2008 report."
Date: March 18, 2009
Creator: United States. Government Accountability Office.
Object Type: Text
System: The UNT Digital Library
The International Space Station and the Space Shuttle (open access)

The International Space Station and the Space Shuttle

This report discusses recent developments and funding for the International Space Station and the Space Shuttle program.
Date: March 18, 2009
Creator: Behrens, Carl E.
Object Type: Report
System: The UNT Digital Library
MASS MEASUREMENT UNCERTAINTY FOR PLUTONIUM ALIQUOTS ASSAYED BY CONTROLLED-POTENTIAL COULOMETRY (open access)

MASS MEASUREMENT UNCERTAINTY FOR PLUTONIUM ALIQUOTS ASSAYED BY CONTROLLED-POTENTIAL COULOMETRY

Minimizing plutonium measurement uncertainty is essential to nuclear material control and international safeguards. In 2005, the International Organization for Standardization (ISO) published ISO 12183 'Controlled-potential coulometric assay of plutonium', 2nd edition. ISO 12183:2005 recommends a target of {+-}0.01% for the mass of original sample in the aliquot because it is a critical assay variable. Mass measurements in radiological containment were evaluated and uncertainties estimated. The uncertainty estimate for the mass measurement also includes uncertainty in correcting for buoyancy effects from air acting as a fluid and from decreased pressure of heated air from the specific heat of the plutonium isotopes.
Date: March 18, 2009
Creator: Holland, M. & Cordaro, J.
Object Type: Article
System: The UNT Digital Library
Next Generation Air Transportation System: Status of Transformation and Issues Associated with Midterm Implementation of Capabilities (open access)

Next Generation Air Transportation System: Status of Transformation and Issues Associated with Midterm Implementation of Capabilities

Testimony issued by the Government Accountability Office with an abstract that begins "To prepare for forecasted air traffic growth, the Federal Aviation Administration (FAA), including its Joint Planning and Development Office (JPDO) and Air Traffic Organization (ATO), is planning for and implementing the Next Generation Air Transportation System (NextGen) in partnership with other federal agencies and the aviation industry. NextGen will transform the current radar-based air traffic control system into a more automated, aircraft-centered, satellite-based system. GAO's previous work has identified issues related to the usefulness of NextGen planning documents, FAA's organizational structure to manage the transition to NextGen, and FAA's workforce to oversee and implement NextGen. Recently, the focus of NextGen planning and implementation has shifted to capabilities that can be achieved in the midterm, defined as 2012 through 2018. GAO's testimony focuses on (1) JPDO's and ATO's progress in planning and implementing NextGen, (2) ongoing efforts to implement midterm capabilities to address capacity constraints and delays, (3) the potential impact on NextGen of organizational changes and human capital issues, and (4) research and development and facilities maintenance and reconfiguration challenges going forward. GAO's testimony updates prior GAO work with FAA data and interviews with agency and union officials …
Date: March 18, 2009
Creator: United States. Government Accountability Office.
Object Type: Text
System: The UNT Digital Library
Nuclear Power Plant Security and Vulnerabilities (open access)

Nuclear Power Plant Security and Vulnerabilities

This report discusses the physical security at nuclear power plants. The physical security of nuclear power plants and their vulnerability to deliberate acts of terrorism was elevated to a national security concern following the attacks of September 11, 2001. Since the attacks, Congress has repeatedly focused oversight and legislative attention on nuclear power plant security requirements established and enforced by the Nuclear Regulatory Commission (NRC).
Date: March 18, 2009
Creator: Holt, Mark & Andrews, Anthony
Object Type: Report
System: The UNT Digital Library
El Salvador: Political, Economic, and Social Conditions and U.S. Relations (open access)

El Salvador: Political, Economic, and Social Conditions and U.S. Relations

This report discusses the state of the El Salvadoran government and recently elected President Mauricio Funes. This report also discusses the relationship between El Salvador and the United States, notably U.S. efforts to restore democracy and initiate economic reform in El Salvador. This report also briefly addresses the effects of the current financial crisis on El Salvador's economy, poverty levels, and crime rates.
Date: March 18, 2009
Creator: Seelke, Clare Ribando & Meyer, Peter J.
Object Type: Report
System: The UNT Digital Library
Small Business Expensing Allowance: Current Status, Legislative Proposals, and Economic Effects (open access)

Small Business Expensing Allowance: Current Status, Legislative Proposals, and Economic Effects

None
Date: March 18, 2009
Creator: unknown
Object Type: Report
System: The UNT Digital Library
State Children's Health Insurance Program (CHIP): A Brief Overview (open access)

State Children's Health Insurance Program (CHIP): A Brief Overview

This report discusses the State Children's Health Insurance Program (CHIP), which allows states to cover targeted low-income children with no health insurance in families with income above Medicaid eligibility levels.
Date: March 18, 2009
Creator: Herz, Elicia J.; Peterson, Chris L. & Baumrucker, Evelyne P.
Object Type: Report
System: The UNT Digital Library
U.S. Energy: Overview and Selected Facts and Numbers (open access)

U.S. Energy: Overview and Selected Facts and Numbers

This report offers an overview of energy markets, supplies and prices. It also provides figures regarding the energy consumption in United States since 1950s.
Date: March 18, 2009
Creator: Behrens, Carl E. & Glover, Carol
Object Type: Report
System: The UNT Digital Library
Ultrasonic Examination of Double-Shell Tank 241-AW-101 Examination Completed February 2009. (open access)

Ultrasonic Examination of Double-Shell Tank 241-AW-101 Examination Completed February 2009.

AREVA Federal Services LLC (AFS), under a contract from Washington River Protection Solutions (WRPS), has performed an ultrasonic examination of selected portions of Double-Shell Tank 241-AW-101. PNNL is responsible for preparing a report(s) that describes the results of the AFS ultrasonic examinations.
Date: March 18, 2009
Creator: Pardini, Allan F.; Weier, Dennis R. & Anderson, Kevin K.
Object Type: Report
System: The UNT Digital Library
41. DISCOVERY, SEARCH, AND COMMUNICATION OF TEXTUAL KNOWLEDGE RESOURCES IN DISTRIBUTED SYSTEMS a. Discovering and Utilizing Knowledge Sources for Metasearch Knowledge Systems (open access)

41. DISCOVERY, SEARCH, AND COMMUNICATION OF TEXTUAL KNOWLEDGE RESOURCES IN DISTRIBUTED SYSTEMS a. Discovering and Utilizing Knowledge Sources for Metasearch Knowledge Systems

Advanced Natural Language Processing Tools for Web Information Retrieval, Content Analysis, and Synthesis. The goal of this SBIR was to implement and evaluate several advanced Natural Language Processing (NLP) tools and techniques to enhance the precision and relevance of search results by analyzing and augmenting search queries and by helping to organize the search output obtained from heterogeneous databases and web pages containing textual information of interest to DOE and the scientific-technical user communities in general. The SBIR investigated 1) the incorporation of spelling checkers in search applications, 2) identification of significant phrases and concepts using a combination of linguistic and statistical techniques, and 3) enhancement of the query interface and search retrieval results through the use of semantic resources, such as thesauri. A search program with a flexible query interface was developed to search reference databases with the objective of enhancing search results from web queries or queries of specialized search systems such as DOE's Information Bridge. The DOE ETDE/INIS Joint Thesaurus was processed to create a searchable database. Term frequencies and term co-occurrences were used to enhance the web information retrieval by providing algorithmically-derived objective criteria to organize relevant documents into clusters containing significant terms. A thesaurus provides …
Date: March 18, 2008
Creator: Zamora, Antonio
Object Type: Report
System: The UNT Digital Library
2007 NWFSC Tidal Freshwater Genetics Results (open access)

2007 NWFSC Tidal Freshwater Genetics Results

Genetic Analysis of Juvenile Chinook Salmon for inclusion in 'Ecology of Juvenile Salmonids in Shallow Tidal Freshwater Habitats in the Vicinity of the Sandy River Delta, lower Columbia River, 2007. Final report submitted to the Bonneville Power Administration, Contract DE-AC05-76RLO1830.' Genotypic data were collected for 108 Chinook salmon and used in the genetic stock identification analysis. Results of the mixture analysis are presented in Table 1. Percentage estimates for four genetic stock groups (West Cascade Tributary Fall, Willamette River Spring, Deschutes River Fall, and Upper Columbia River Summer/Fall) ranged from 11% to 43%, all with non-zero lower 95% confidence intervals. Small contributions were also estimated for the West Cascade Tributary Spring (3%) and Snake River Fall (6%) stock groups. Results of individual fish probability assignments were summed by collection date (Figure 1) and site (Figure 2). Assignment probabilities for the most likely stock group for each individual ranged from 0.51 to 1.00 with approximately 60% of the assignments greater than 0.90 (data not shown). Nearly all of the low probability assignments were fish with assignments split between the Deschutes River Fall and Upper Columbia River Summer/Fall groups.
Date: March 18, 2008
Creator: Teel, David
Object Type: Report
System: The UNT Digital Library
Biofuels Incentives: A Summary of Federal Programs (open access)

Biofuels Incentives: A Summary of Federal Programs

This report outlines federal programs that provide direct or indirect incentives for biofuels. For each program described, the report provides details including administering agency, authorizing statute(s), annual funding, and expiration date.
Date: March 18, 2008
Creator: Yacobucci, Brent D.
Object Type: Report
System: The UNT Digital Library
Catalyzed Water Oxidation by Solar Irradiation of Band-Gap-Narrowed Semiconductors (Part 1. Overview). (open access)

Catalyzed Water Oxidation by Solar Irradiation of Band-Gap-Narrowed Semiconductors (Part 1. Overview).

The objectives of this report are: (1) Investigate the catalysis of water oxidation by cobalt and manganese hydrous oxides immobilized on titania or silica nanoparticles, and dinuclear metal complexes with quinonoid ligands in order to develop a better understanding of the critical water oxidation chemistry, and rationally search for improved catalysts. (2) Optimize the light-harvesting and charge-separation abilities of stable semiconductors including both a focused effort to improve the best existing materials by investigating their structural and electronic properties using a full suite of characterization tools, and a parallel effort to discover and characterize new materials. (3) Combine these elements to examine the function of oxidation catalysts on Band-Gap-Narrowed Semiconductor (BGNSC) surfaces and elucidate the core scientific challenges to the efficient coupling of the materials functions.
Date: March 18, 2008
Creator: Fujita, E.; Khalifah, P.; Lymar, S.; Muckerman, J. T. & Rodgriguez, J.
Object Type: Article
System: The UNT Digital Library