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REACTIVITY CALIBRATIONS AND FISSION-RATE DISTRIBUTIONS IN AN UNMODERATED, UNREFLECTED URANIUM-MOLYBDENUM ALLOY RESEARCH PROGRAM
Completion of zero-power critical experiments with the ORNL Health Physics Research Reactor is reported. A description is given concerning these experiments which were used to determine the critical size, fission-rate distributions, reactivity calibrations of its movable parts, the temperature coefficient of reactivity, and the reactivity effects of the presence of neutron- reflecting materials adjacent to the reactor. (J.R.D.)
Date:
May 10, 1962
Creator:
Mihalczo, J.T.
Object Type:
Report
System:
The UNT Digital Library
Super-Prompt-Critical Behavior of an Unmoderated Unreflected Uranium- Molybdenum Alloy Assembly
The time-dependent behavior was investigated of the neutron population in an unreflected unmoderated cylindrical assembly of 90 wt.% U (93.2 wt.% U/sup 235/), 10 wt.% Mo alloy following rapid establishment of a super-prompt critical c ondition with negligible initial neutron population. Reactivity increases up to 11 cents above prompt critical resulted in bursts yielding as many as 1.8 x 10/ sup 17/ fissions with reactor periods as short as 16 mu sec and temperature increases as large as 400 deg C. Pressure waves generated in a portion of the core held in position by an electromagnet for bursts greater than ~6 x 10/sup 16/ fissions initiated the removal of this section about 225 mu sec after the peak burst. (auth)
Date:
May 10, 1962
Creator:
Mihalczo, J.T.
Object Type:
Report
System:
The UNT Digital Library
PL FINAL DESIGN REPORT. VOLUME VI. PLANT PERFORMANCE ANALYSIS
Data and information are presented concerning analyses of PL-2 transient performance, normal startup and shutdown procedures, and shield design. (J.R.D.)
Date:
May 10, 1962
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Synthesis and characterization of a new silicone multiblock polymer
The Lawrence Livermore National Laboratory (LLNL) has an active interest in the synthesis of new polysiloxanes as base polymers for cellular silicone materials. These elastomers have properties uniquely suited to very specific engineering requirements. While the polymers which we have prepared via random equilibrium of various cyclic tetrasiloxanes have adequate properties for certain applications, there is evidence to suggest that alternating block polysiloxanes prepared via condensation-polymerization techniques have properties more suited to our end uses as flexible foam materials (cushions). The synthetic sequence developed to prepare these materials involves reactions of functionally terminated (silylamino and silanol) polysiloxane oligomers to produce alternating multiblock (ABAB...) materials of high molecular weight. Dialkylamines are condensation byproducts in this reaction. The analysis and characterization of these multiblock polymers is reported.
Date:
May 10, 1982
Creator:
Riley, M.O.; Kolb, J.R. & Jessop, E.S.
Object Type:
Report
System:
The UNT Digital Library
Health Care Fraud and Abuse Control Program: Improvements Needed in Controls over Reporting Deposits and Expenditures
A letter report issued by the Government Accountability Office with an abstract that begins "To help combat fraud and abuse in health care programs, including Medicare and Medicaid, Congress enacted the Health Care Fraud and Abuse Control (HCFAC) program as part of the Health Insurance Portability and Accountability Act of 1996 (HIPAA). HIPAA requires that the Departments of Health and Human Services (HHS) and Justice (DOJ) issue a joint annual report to Congress on amounts deposited to and appropriated from the Federal Hospital Insurance (HI) Trust Fund for the HCFAC program. In April 2005, GAO reported on the results of its review of HCFAC program activities for fiscal years 2002 and 2003 and made recommendations to HHS and DOJ. The objectives of this requested review were to assess the extent to which HHS and DOJ (1) took actions to address the recommendations made in the 2005 report and (2) designed effective controls over reporting HCFAC deposits and expenditures for fiscal years 2008 and 2009. GAO reviewed HHS and DOJ documentation; selected nongeneralizable samples; and interviewed agency officials."
Date:
May 10, 2011
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Runaway and Homeless Youth Grants: Improvements Needed in the Grant Award Process
A letter report issued by the Government Accountability Office with an abstract that begins "The Department of Health and Human Services (HHS) awards grants to provide shelter and services to runaway and homeless youth through the Basic Center, Transitional Living and Street Outreach Programs. In response to a mandate for a review of the grant award process for these programs in the Reconnecting Homeless Youth Act of 2008 (Pub. L. No. 110-378), GAO examined (1) grant announcements and application requirements, (2) technical assistance for grant applicants, (3) how grant award decisions are made, and (4) notification of grant award decisions. GAO reviewed requirements, documents, and records associated with this process for fiscal years 2007 and 2008, observed the grant evaluation portion of this process, and interviewed applicants, peer reviewers, and agency officials."
Date:
May 10, 2010
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Federally Chartered Corporation: Review of the Financial Statement Audit Report for the United Service Organizations, Incorporated, for 1996 and 1997
Correspondence issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO reviewed the audit report covering the financial statements of the United Service Organizations, Incorporated, for the years ended December 31, 1996 and 1997, focusing on whether the audit report complied with the financial reporting requirements of the law."
Date:
May 10, 1999
Creator:
United States. General Accounting Office.
Object Type:
Text
System:
The UNT Digital Library
Technology Transfer: NNSA Did Not Implement the Technology Infrastructure Pilot Program
Correspondence issued by the General Accounting Office with an abstract that begins "The Department of Energy is required to establish a technology infrastructure pilot program to improve technology partnership activities. The National Nuclear Security Administration (NNSA), in April 2002, reported that it was unable to implement the technology infrastructure pilot program in fiscal year 2001, because of other programming priorities. NNSA also said that it did not have any immediate plans to implement the pilot program in fiscal year 2002. Although it has not funded the pilot program, NNSA stated that it supports technology partnerships with private entities that fulfill mission requirements and agreed that the "cluster" type of infrastructure that the pilot program would promote is important for its facilities because community and economic development are enhanced."
Date:
May 10, 2002
Creator:
United States. General Accounting Office.
Object Type:
Text
System:
The UNT Digital Library
Homelessness: Fragmentation and Overlap in Programs Highlight the Need to Identify, Assess, and Reduce Inefficiencies
A letter report issued by the Government Accountability Office with an abstract that begins "Homelessness programs are fragmented across multiple agencies and some show evidence of overlap. In fiscal year 2010, eight federal agencies obligated roughly $2.8 billion to administer 26 homelessness programs. Three agenciesthe Departments of Health and Human Services (HHS), Housing and Urban Development (HUD), and Veterans Affairs (VA)are responsible for the majority of programs and dollars, 22 of 26 programs, and 89 percent of total funds. GAO found that these agencies and the Department of Labor (Labor) have multiple programs that offer similar services to similar beneficiaries. Fragmentation of services and overlap in some programs is partly due to their legislative creation and partly due to programs evolving to offer services that meet the variety of needs of persons experiencing homelessness. Fragmentation and overlap can lead to inefficient use of resources. For example, both HHS and VA have programs that provide similar services, but each agency separately manages its programs under different administrative units. In addition, some local service providers told us that managing multiple applications and reporting requirements was burdensome, difficult, and costly. Moreover, according to providers, persons experiencing homelessness have difficulties navigating services that are …
Date:
May 10, 2012
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Multifamily Rural Housing: Prepayment Potential and Long-Term Rehabilitation Needs for Section 515 Properties
A letter report issued by the General Accounting Office with an abstract that begins "Nearly 450,000 elderly and other households depend on federal assistance to live in multifamily rural rental properties that were constructed with subsidized federal loans. Because the properties were built in areas when and where privately financed housing units, affordable by lower income households, were not considered economically feasible, the U.S. Department of Agriculture's Rural Housing Service (RHS) has made direct loans available to developers of affordable multifamily housing under its section 515 program. RHS has funded many more new properties than the portfolio has lost through prepayment. The number of new properties added to the portfolio exceeded the number that left the program after prepayment in every year except 2001. If the statutory requirement restricting prepayment for loans made before December 1989, were changed to allow prepayment without restrictions after 20 years from the date of the loan, prepayment could be an option for the owners of 3,900 of all section 515 properties over the next eight years. RHS field staff routinely inspect properties, complete and retain detailed descriptions of noted deficiencies, and transmit the summaries of the deficiencies identified to a central database. Only current …
Date:
May 10, 2002
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library
Weapons of Mass Destruction: State Department Oversight of Science Centers Program
A letter report issued by the General Accounting Office with an abstract that begins "Since 1994, the United States has appropriated $227 million to support two multilateral science centers in Russia and Ukraine. The science centers pay scientists who once developed nuclear, chemical, and biological weapons and missile systems for the Soviet Union to conduct peaceful research. By employing scientists at the science centers, the United States seeks to reduce the risks that these scientists could be tempted to sell their expertise to terrorists. This report examines the (1) selection procedures the State Department uses to fund projects that meet program objectives and (2) monitoring procedures the State Department uses to verify that scientists are working on the peaceful research they are paid to produce. GAO found that State lacks complete information on the total number and locations of senior scientists and has not been granted access to senior scientists at critical research institutes under the Russian Ministry of Defense. GAO also found that State has designed an interagency review process to select and fund research proposals submitted by weapons scientists to the science centers in Russia and Ukraine. The overall goal is to select projects that reduce proliferation risks …
Date:
May 10, 2001
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library
Aviation Security: Actions Needed to Address Challenges and Potential Vulnerabilities Related to Securing Inbound Air Cargo
A letter report issued by the Government Accountability Office with an abstract that begins ""
Date:
May 10, 2012
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Post-Hearing Questions Related to Federal Human Capital Issues
Correspondence issued by the General Accounting Office with an abstract that begins "This letter answers several questions that arose from a recent GAO testimony (GAO-02-528T) on human capital management. GAO discusses (1) early retirement and early separation incentives, (2) expanded management flexibilities, (3) federal financial management, (4) hiring processes, (5) what federal managers must do to motivate and empower their employees, and (6) what the federal government must do to be competitive as an employer of choice."
Date:
May 10, 2002
Creator:
United States. General Accounting Office.
Object Type:
Text
System:
The UNT Digital Library
Patient-Centered Outcomes Research Institute: Review of the Audit of the Financial Statements for 2011 and 2010
Correspondence issued by the Government Accountability Office with an abstract that begins "PCORI received an unqualified audit opinion on its 2011 and 2010 financial statements. In its audit of PCORIs financial statements, the IPA found that the financial statements were presented fairly, in all material respects, and there was no reportable noncompliance with selected provisions of laws and regulations the IPA tested as part of its audit. However, the IPA identified a deficiency in PCORIs internal control over financial reporting related to PCORI reporting on its receipt of appropriated funds. The IPA determined the deficiency to be significant enough to constitute a material weakness. We found no instances in which the IPA did not comply, in all material respects, with U.S. generally accepted auditing standards and generally accepted government auditing standards in the conduct of the financial statement audit. In e-mailed comments from PCORIs Director of Finance, PCORI stated that the identified deficiency in financial reporting related to appropriations received resulted from uncertainty over differences between the federal governments and PCORIs fiscal years and cited action taken to adjust its records to correct the deficiency."
Date:
May 10, 2012
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
Unconventional Oil and Gas Production: Opportunities and Challenges of Oil Shale Development
Testimony issued by the Government Accountability Office with an abstract that begins "In its October 2010 report, GAO noted that oil shale development presents the following opportunities for the United States:"
Date:
May 10, 2012
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
Transportation Worker Identification Credential: Internal Control Weaknesses Need to Be Corrected to Help Achieve Security Objectives
A letter report issued by the Government Accountability Office with an abstract that begins "Within the Department of Homeland Security (DHS), the Transportation Security Administration (TSA) and the U.S. Coast Guard manage the Transportation Worker Identification Credential (TWIC) program, which requires maritime workers to complete background checks and obtain a biometric identification card to gain unescorted access to secure areas of regulated maritime facilities. As requested, GAO evaluated the extent to which (1) TWIC processes for enrollment, background checking, and use are designed to provide reasonable assurance that unescorted access to these facilities is limited to qualified individuals; and (2) the effectiveness of TWIC has been assessed. GAO reviewed program documentation, such as the concept of operations, and conducted site visits to four TWIC centers, conducted covert tests at several selected U.S. ports chosen for their size in terms of cargo volume, and interviewed agency officials. The results of these visits and tests are not generalizable but provide insights and perspective about the TWIC program. This is a public version of a sensitive report. Information DHS deemed sensitive has been redacted."
Date:
May 10, 2011
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
TARP: Treasury's Exit from GM and Chrysler Highlights Competing Goals, and Results of Support to Auto Communities Are Unclear
A letter report issued by the Government Accountability Office with an abstract that begins "Since December 2008, the Department of the Treasury (Treasury) has committed $62 billion in Troubled Asset Relief Program (TARP) funding to General Motors (GM) and Chrysler. Under GAO's mandate to oversee TARP, this report addresses (1) how restructuring with federal assistance has affected GM's and Chrysler's financial condition, (2) what Treasury has done to ensure that it disinvests in GM and Chrysler so as to protect taxpayers' interests and what risks remain in recouping its investments, and (3) how restructuring has affected auto communities and what the White House Council on Auto Communities and Workers (Council) and its staff in the Department of Labor's Office of Recovery for Auto Communities and Workers (Auto Recovery Office) have done to mitigate these effects. GAO reviewed documents on the companies' financial performance and federal assistance to auto communities and interviewed company, Treasury, and community officials.."
Date:
May 10, 2011
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Defense Management: Actions Needed to Evaluate the Impact of Efforts to Estimate Costs of Reports and Studies
Correspondence issued by the Government Accountability Office with an abstract that begins "DOD is estimating and publishing approximate costs for selected types of internally and externally required reports, but in some cases its approach is not fully consistent with relevant cost estimating best practices and cost accounting standards. Specifically, DOD entities have been directed to use the cost estimating tool to capture marginal costs of activities associated with completing a report or study that would not have been performed otherwise. These costs consist of certain manpower costs (such as the prorated salaries of military and civilian personnel based on the time they spent) and nonlabor costs (such as contract services, travel, or printing). In comparing DODs approach to (1) GAOs Cost Estimating and Assessment Guidewhich states that high-quality, reliable cost estimates should be comprehensive, well documented, and accurateand (2) relevant accounting standards, we found the following."
Date:
May 10, 2012
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
Seafood Safety: Responsibility for Inspecting Catfish Should Not Be Assigned to USDA
A letter report issued by the Government Accountability Office with an abstract that begins "In determining that Salmonella is the primary food safety hazard in catfish, the U.S. Department of Agricultures Food Safety and Inspection Service (FSIS) officials stated that the agency focused on Salmonella at the direction of the Office of Management and Budget (OMB), which considered Salmonella the most practical hazard to evaluate. However, GAO found that FSIS used outdated and limited information in its risk assessment as its scientific basis for a catfish inspection program that seeks to mitigate that hazard. For example, FSIS identified a single outbreak of Salmonella-caused illnesses, but this outbreak was not clearly linked to catfish. FSIS noted that this outbreak was before the Food and Drug Administrations (FDA) 1997 Seafood Hazard Analysis and Critical Control Point regulations, which required firms to identify hazards in their processing systems and implement controls to prevent or mitigate these hazards; no similar outbreaks have occurred since. Other federal agencies questioned if FSIS had adequately demonstrated a Salmonella problem in catfish. For example, FDA does not generally have such concerns. Officials with the National Oceanic and Atmospheric Administrations National Marine Fisheries Service (NMFS) also stated that FSIS …
Date:
May 10, 2012
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Chemical Assessments: An Agencywide Strategy May Help EPA Address Unmet Needs for Integrated Risk Information System Assessments
A letter report issued by the Government Accountability Office with an abstract that begins "The Environmental Protection Agency (EPA) has not conducted a recent evaluation of demand for Integrated Risk Information System (IRIS) toxicity assessments with input from users inside and outside EPA. Specifically, EPA issued a needs assessment report in 2003, which estimated that 50 new or updated IRIS toxicity assessments were needed each year to meet users' needs. However, GAO did not find sufficient support for the estimate. In addition, IRIS Program officials recognize that the 2003 estimate does not reflect current conditions, but the agency does not plan to perform another evaluation of demand. Without a clear understanding of current demand for IRIS toxicity assessments, EPA cannot adequately measure the program's performance; effectively determine the number of IRIS toxicity assessments required to meet the needs of IRIS users; or know the extent of unmet demand."
Date:
May 10, 2013
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Public Transportation: Preliminary Analysis of Changes to and Trends in FTA's New Starts and Small Starts Programs
Testimony issued by the Government Accountability Office with an abstract that begins "Through the New Starts program, the Federal Transit Administration (FTA) identifies and recommends new fixed-guideway transit projects for funding--including heavy, light, and commuter rail; ferry; and certain bus projects. The Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users (SAFETEA-LU) authorized the New Starts program through fiscal year 2009 and made a number of changes to the program, including creating a separate program commonly called Small Starts. This program is intended to offer an expedited and streamlined evaluation and rating process for smaller-scale transit projects. FTA subsequently introduced a separate eligibility category within the Small Starts program for "Very Small Starts" projects. Very Small Starts projects are simple, low-risk projects that FTA has determined qualify for a simplified evaluation and rating process. This testimony discusses GAO's preliminary findings on (1) FTA's implementation of SAFETEA-LU changes to the New Starts program, (2) the extent to which the New Starts pipeline (i.e., projects in the preliminary engineering and final design phases) has changed over time, and (3) future trends for the New Starts and Small Starts pipelines. To address these objectives, GAO surveyed 215 project sponsors and interviewed …
Date:
May 10, 2007
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
Intellectual Property: Industry and Agency Concerns Over Intellectual Property Rights
Testimony issued by the General Accounting Office with an abstract that begins "Improperly defined intellectual property rights in a government contract can result in the loss of an entity's critical assets or limit the development of applications critical to public health or safety. Conversely, successful contracts can spur economic development, innovation, and growth, and dramatically improve the quality of delivered goods and services. Contracting for intellectual property rights is difficult. The stakes are high, and negotiating positions are frequently ill-defined. Moreover, the concerns raised must be tempered with the understanding that government contracting can be challenging even without the complexities of intellectual property rights. Further, contractors often have reasons for not wanting to contract with the government, including concerns over profitability, capacity, accounting and administrative requirements, and opportunity costs. Within the commercial sector, companies identified a number of specific intellectual property concerns that affected their willingness to contract with the government. These included perceived poor definitions of what technical data is needed by the government, issues with the government's ability to protect proprietary data adequately, and unwillingness on the part of government officials to exercise the flexibilities available concerning intellectual property rights. Some of these concerns were on perception rather …
Date:
May 10, 2002
Creator:
United States. General Accounting Office.
Object Type:
Text
System:
The UNT Digital Library
Transportation Worker Identification Credential: Internal Control Weaknesses Need to Be Corrected to Help Achieve Security Objectives
Testimony issued by the Government Accountability Office with an abstract that begins "This testimony discusses credentialing issues associated with the security of U.S. transportation systems and facilities. Securing these systems requires balancing security to address potential threats while facilitating the flow of people and goods that are critical to the U.S. economy and international commerce. As we have previously reported, these systems and facilities are vulnerable and difficult to secure given their size, easy accessibility, large number of potential targets, and proximity to urban areas. The Maritime Transportation Security Act of 2002 (MTSA) required regulations preventing individuals from having unescorted access to secure areas of MTSA-regulated facilities and vessels unless they possess a biometric transportation security card and are authorized to be in such an area. MTSA further required that biometric transportation security cards be issued to eligible individuals unless determined that an applicant poses a security risk warranting denial of the card. The Transportation Worker Identification Credential (TWIC) program is designed to implement these biometric maritime security card requirements. The TWIC program, once implemented, aims to meet the following stated mission needs: (1) Positively identify authorized individuals who require unescorted access to secure areas of the nation's transportation system. …
Date:
May 10, 2011
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
Defense Inventory: Army War Reserve Spare Parts Requirements Are Uncertain
A letter report issued by the General Accounting Office with an abstract that begins "According to the current National Military Strategy the United States should be prepared to fight and win two nearly simultaneous wars in different parts of the world. Military policy calls for each of the services to acquire and maintain enough war material inventories to sustain a two-war scenario until the industrial base can resupply our armed forces. Because of limitations in the Army's process for determining war reserve spare parts requirements, however, the accuracy of the war reserve spare parts requirements and funding needs are uncertain. These limitations include (1) not using the best available data on the rate at which spare parts would be consumed during wartime for its war reserve spare parts requirements calculations, (2) having a potential mismatch between the Army's process for determining spare parts requirements for war reserves and how the Army plans to repair equipment on the battlefield, and (3) lacking a fact-based assessment of industrial base capacity to provide needed parts for the two-war scenario. Uncertainties are likely to persist for some time as the Army contemplates a significant transformation of its forces and other changes are considered affecting …
Date:
May 10, 2001
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library