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FLUX DISTRIBUTIONS AND LEAKAGE CURRENTS FOR SRE, P-16
BS>Two-group, two-region criticality calculations were made for 10 and 11 ft diameter tanks. The 10 ft tank required a core radius of 102 cm and the 11 ft tank a core radius of 95 cm for criticality. In the calculations, the fluxes were assumed to go to zero at the edge oi the graphite reflector. The fast group of the two-group calculation was broken down into 3 fast groups. The leakage out of the core and reflector for the 4 energy groups is given. (M.C.G.)
Date:
January 29, 1954
Creator:
Balent, R.
Object Type:
Report
System:
The UNT Digital Library
Tested method to minimize plutonium assay discrepancies between laboratories
Plutonium assay differences are frequently observed between laboratories exchanging plutonium dioxide powders. These differences are commonly the result of chemical changes and/or nonhomogeneities in sampled materials. The irregularities are often caused by moisture absorption during sampling, packaging, shipment, and storage of the materials. A method is proposed which eliminates the effects of chemical change in samples, particularly moisture absorption, and minimizes sampling error. A nondestructive thermal watts/gram test on every preweighed sampled and total dissolution of these samples for chemical assay are the primary features which make this method effective. Because this method minimizes the error related to exchange material, it is possible to design an interlaboratory exchange program which demonstrates the assay capabiliies of the participants. In an experiment performed to demonstrate the effectiveness of this method, three PuO/sub 2/ batches of varying isotopic composition were synthesized at Mound to be used in the exchange tess. Powder sample aliquots from each batch were weighed directly into their vials under controlled atmospheric conditions. Calorimetric heat measurements were made on each vial to test homogeneity and verify sample weight. Six vials of each batch were chemically assayed at Mound and six at NBL (New Brunswick Laboratory). Both laboratories chose controlled-potential coulometry …
Date:
January 29, 1982
Creator:
Seiler, R. J.; Goss, R. L.; Rodenburg, W. W. & Rogers, D. R.
Object Type:
Report
System:
The UNT Digital Library
HEXAFLUORIDES OF MOLYBDENUM, TUNGSTEN AND URANIUM. II. REACTIONS WITH LIQUID AND GASEOUS DINITROGEN TETROXIDE
Molybdenum and tungsten hexafluorides form the solids nitrosylium pentafluoroxymolybdate(VI) and -tungstate(VI), respectively. Uranium hexafluoride gives nitrosylium hexafluorouranate(V) STANOUF/sub 6/!, the same salt that it forms with nitric oxide. (auth)
Date:
January 29, 1962
Creator:
Geichman, J. R.; Smith, E. A.; Swaney, L. R. & Ogle, P. R.
Object Type:
Report
System:
The UNT Digital Library
Theoretical approach for enhanced mass transfer effects in-duct flue gas desulfurization processes
Removal of sulfur dioxide (SO{sub 2}) from the flue gas of coal- burning power plants can be achieved by duct spray drying using calcium hydroxide (Ca(OH){sub 2}) slurries. A primary objective of this research was to discover the aspects of mass transfer into Ca(OH){sub 2} slurries which limit SO{sub 2} absorption. A bench- scale stirred tank reactor with a flat gas/liquid interface was used to simulate SO{sub 2} absorption in a slurry droplet. The absorption rate of SO{sub 2} from gas concentrations of 500 to 5000 ppm was measured at 55{degrees}C in clear solutions and slurries of Ca(OH){sub 2} up to 1.0 M (7 wt percent). Results are reported in terms of the enhancement factor, {O}. This research will allow prediction of conditions where the absorption of SO{sub 2} in Ca(OH){sub 2} slurries can be enhanced by changes to liquid phase constituents (under which SO{sub 2} absorption is controlled by liquid film mass transfer). Experiments in the stirred tank have shown that SO{sub 2} absorption in a 1.0 M Ca(OH){sub 2} slurry was completely dominated by gas film mass transfer with a large excess of Ca(OH){sub 2} but becomes controlled by liquid film resistance at greater than 50 percent Ca(OH){sub …
Date:
January 29, 1992
Creator:
Jozewicz, W. (Acurex Corp., Research Triangle Park, NC (United States). Environmental Systems Div.) & Rochelle, G.T. (Texas Univ., Austin, TX (United States). Dept. of Chemical Engineering)
Object Type:
Report
System:
The UNT Digital Library
Experimental studies of the beam-breakup mode on ETA: comparison with theory
The beam breakup mode has been observed and measured on ETA. Comparison between the measurements and the results of a computer code indicate that the beam breakup instability will be the most important limitation on current transport thru ATA. ETA Experiments that will enable a more accurate determination of the magnitude of the instability on ATA are discussed.
Date:
January 29, 1982
Creator:
Caporaso, G.J. & Struve, K.W.
Object Type:
Report
System:
The UNT Digital Library
Constitutional Analysis of Suspicionless Drug Testing Requirements for the Receipt of Governmental Benefits
This report gives an overview of the issues related to federal or state laws that condition the initial or ongoing receipt of governmental benefits on passing drug tests. These regulations are vulnerable to constitutional challenge, most often due to issues of personal privacy and Fourth Amendment protections against "unreasonable searches."
Date:
January 29, 2014
Creator:
Carpenter, David H.
Object Type:
Report
System:
The UNT Digital Library
Army Corps of Engineers: Water Resource Authorizations, Appropriations, and Activities
This report summarizes congressional authorization and appropriations processes for the Army Corps of Engineers. It also discusses agency activities under general authorities. Congress directs the Corps through authorizations, appropriations, and oversight of its studies, construction projects, and other activities.
Date:
January 29, 2014
Creator:
Carter, Nicole T. & Stern, Charles V.
Object Type:
Report
System:
The UNT Digital Library
Cuba: U.S. Policy and Issues for the 113th Congress
This report discusses the current political conditions of Cuba as well as its relationship with the United States. In particular, the report focuses on U.S. policy regarding Cuba including various economic sanctions, human rights issues, and foreign aid appropriations.
Date:
January 29, 2014
Creator:
Sullivan, Mark P.
Object Type:
Report
System:
The UNT Digital Library
Food and Drug Administration: Improved Monitoring and Development of Performance Measures Needed to Strengthen Oversight of Criminal and Misconduct Investigations
A letter report issued by the Government Accountability Office with an abstract that begins "The Food and Drug Administration (FDA) is responsible for protecting public health by regulating products such as prescription drugs and vaccines and has the authority to investigate alleged criminal activity related to FDA-regulated products, for example on the sale of counterfeit drugs. Within FDA, the Office of Criminal Investigations (OCI) investigates individuals and companies external to FDA. FDA also has the authority to investigate allegations of FDA employee misconduct and these internal investigations are conducted by the Office of Internal Affairs (OIA), a distinct office within OCI. GAO was asked to examine FDA's (1) oversight of OCI investigations, (2) oversight of OIA investigations, and (3) funding, staffing, and workload for OCI. GAO interviewed agency officials, reviewed FDA documents including those describing its investigative policies, and examined FDA data on OCI resources and workload, from fiscal years 1999 to 2008."
Date:
January 29, 2010
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Federal Workforce: Recent Trends in Federal Civilian Employment and Compensation
A letter report issued by the Government Accountability Office with an abstract that begins "From 2004 to 2012, the federal non-postal civilian workforce grew by 258,882 employees, from 1.88 million to 2.13 million (14 percent). Permanent career employees accounted for most of the growth, increasing by 256,718 employees, from 1.7 million in 2004 to 1.96 million in 2012 (15 percent). Three agencies--the Departments of Defense (DOD), Homeland Security (DHS), and Veterans Affairs (VA)--accounted for about 94 percent of this increase. At DOD, officials said that converting certain positions from military to civilian, as well as the growth of the agency's acquisition and cybersecurity workforce, contributed to this overall increase. At VA, officials said the increased demand for medical and health-related services for military veterans drove most of the growth in personnel levels. DHS officials said the increase in employment was due in large part to the nation's border security requirements. (In contrast, ten agencies had fewer career permanent employees in 2012 than they did in 2004). Government-wide, most of the increase in employment from 2004 to 2012 occurred within occupational categories that require higher skill and educational levels. These categories include professional occupations (e.g., doctors and scientists), and administrative occupations …
Date:
January 29, 2014
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Traumatic Brain Injury: Better DOD and VA Oversight Can Help Ensure More Accurate, Consistent, and Timely Decisions for the Traumatic Injury Insurance Program
A letter report issued by the Government Accountability Office with an abstract that begins "In 2005, Congress created a traumatic injury insurance benefit program, known as TSGLI, to help servicemembers with traumatic brain injury and other serious injuries with the financial burdens that they and their families face. The Department of Veterans Affairs (VA) administers the program, in collaboration with the Department of Defense (DOD), while the branches of service are responsible for deciding servicemembers' claims. GAO examined (1) the TSGLI approval rate for traumatic brain injury claimants, and whether DOD and VA have assurance that claims are processed accurately, consistently, and in a timely manner and (2) any challenges servicemembers with traumatic brain injury may have faced in accessing TSGLI benefits, and the extent to which DOD and VA have taken steps to address such challenges. GAO analyzed program data and interviewed DOD and VA officials, servicemembers, and medical professionals."
Date:
January 29, 2009
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Defense Acquisitions: Risks Posed by DOD's New Space Systems Acquisition Policy
Correspondence issued by the General Accounting Office with an abstract that begins "On November 18, 2003, we testified before Congress on the Department of Defense's (DOD) new acquisition policy for space systems. The new acquisition policy, issued in October 2003, sets the stage for decision making for DOD's investment in space systems, which currently stands at more than $18 billion annually and is expected to grow considerably over the next decade. Congress requested that we provide additional comments on several issues relating to the new policy and other space acquisition issues."
Date:
January 29, 2004
Creator:
United States. General Accounting Office.
Object Type:
Text
System:
The UNT Digital Library
Secure Border Initiative: DHS Needs to Address Testing and Performance Limitations That Place Key Technology Program at Risk
A letter report issued by the Government Accountability Office with an abstract that begins "The Department of Homeland Security's (DHS) Secure Border Initiative Network (SBInet) is a multiyear, multibillion dollar program to deliver surveillance and decision-support technologies that create a virtual fence and situational awareness along the nation's borders with Mexico and Canada. Managed by DHS's Customs and Border Protection (CBP), SBInet is to strengthen CBP's ability to identify, deter, and respond to illegal breaches at and between border points of entry. Because of the program's importance, cost, and risks, GAO was asked to, among other things, determine (1) whether SBInet testing has been effectively managed, including the types of tests performed and whether they were well planned and executed, and (2) what the results of testing show. To do this, GAO reviewed test management documentation, including test plans, test cases, test procedures, and results relative to federal and related guidance, and interviewed program and contractor officials."
Date:
January 29, 2010
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
U.S. Airports: Selected Airports' Views on Federal Requirements
Correspondence issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO provided information on airports' complaints concerning Federal Aviation Administration requirements, focusing on: (1) which federal laws, regulations, and administrative requirements potentially affect airports' development, operations, and financing; and (2) which federal requirements airport officials view as having a positive or negative effect on their airports and why."
Date:
January 29, 1999
Creator:
United States. General Accounting Office.
Object Type:
Text
System:
The UNT Digital Library
Secure Border Initiative Fence Construction Costs
Correspondence issued by the Government Accountability Office with an abstract that begins "Much of the United States' 6,000 miles of international borders with Canada and Mexico remains vulnerable to illegal entry of aliens, criminals, and cargo. The Department of Homeland Security (DHS) apprehends hundreds of thousands of people and seizes large volumes of cargo entering the country illegally each year; however, several hundreds of thousands of individuals and an unknown volume of contraband also enter the United States illegally and undetected. DHS's U.S. Customs and Border Protection (CBP) is the agency responsible for securing the nation's borders along and between ports of entry. In November 2005, DHS announced the launch of the Secure Border Initiative (SBI), a multiyear, multibillion-dollar program aimed at securing U.S. borders and reducing illegal immigration. CBP's SBI program office is responsible for managing the SBI program and for developing a comprehensive border protection system. This system has two main components: SBInet, which employs radars, sensors, and cameras to detect, identify, and classify the threat level associated with an illegal entry into the United States between the ports of entry, and SBI tactical infrastructure (TI), fencing, roads, and lighting intended to enhance U.S. Border Patrol agents' ability …
Date:
January 29, 2009
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
Hurricanes Katrina and Rita Disaster Relief: Prevention Is the Key to Minimizing Fraud, Waste, and Abuse in Recovery Efforts
Testimony issued by the Government Accountability Office with an abstract that begins "Hurricanes Katrina and Rita destroyed homes and displaced millions of individuals. While federal and state governments continue to respond to this disaster, GAO has identified significant control weaknesses--specifically in the Federal Emergency Management Agency (FEMA)'s Individuals and Households Program (IHP) and in Department of Homeland Security (DHS)'s purchase card program--resulting in significant fraud, waste, and abuse. In response to the numerous recommendations GAO made, DHS and FEMA have reported on numerous actions taken to address our recommendations. Lessons learned from GAO's prior work can serve as a framework for an effective fraud prevention system for federal and state governments as they consider spending billions more on disaster recovery. These lessons are particularly important because funding that is lost to fraud, waste, and abuse reduces the amount of money that could be delivered to victims in need. Today's testimony will (1) describe key findings from past GAO work and (2) use the results from that work and GAO's other experiences to discuss the importance of an effective fraud, waste and abuse prevention program."
Date:
January 29, 2007
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
Group Purchasing Organizations: Research on Their Pricing Impact on Health Care Providers
Correspondence issued by the Government Accountability Office with an abstract that begins "Hospitals and other health care providers use purchasing intermediaries--group purchasing organizations (GPO)--as a way to control the cost of various medical products. Through GPO-negotiated contracts, hospitals and other health care providers can purchase everything from commodities, such as cotton balls and bandages, to high-technology medical devices, such as pacemakers and stents. By pooling the purchases of these products for their customers, GPOs are in a position to negotiate lower prices from manufacturers, distributors, and other suppliers, which may in turn benefit health care providers and, ultimately, consumers and payers of health care such as insurers and employers. Members of Congress and others have recently raised questions about the extent to which GPOs negotiate lower prices for health care providers. GPO and other trade associations have funded studies on the impact of GPOs. However, these studies have limitations. Congress asked us to review research on the impact of GPOs on pricing for hospitals and other health care providers. This report summarizes the peer-reviewed and nonpeer-reviewed literature on the impact of GPOs on pricing for hospitals and other health care providers that GAO identified in GAO's literature review."
Date:
January 29, 2010
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
State and Local Government Retiree Benefits: Current Funded Status of Pension and Health Benefits
A letter report issued by the Government Accountability Office with an abstract that begins "Pension and other retiree benefits for state and local government employees represent liabilities for state and local governments and ultimately a burden for state and local taxpayers. Since 1986, accounting standards have required state and local governments to report their unfunded pension liabilities. Recently, however, standards changed and now call for governments also to report retiree health liabilities. The extent of these liabilities nationwide is not yet known, but some predict they will be very large, possibly exceeding a trillion dollars in present value terms. The federal government has an interest in assuring that all Americans have a secure retirement, as reflected in the federal tax deferral for contributions to both public and private pension plans. Consequently, the GAO was asked to examine: 1) the key measures of the funded status of retiree benefits and 2) the current funded status of retiree benefits. GAO analyzed data on public pensions, reviewed current literature, and interviewed a range of experts on public retiree benefits, actuarial science, and accounting."
Date:
January 29, 2008
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Medicare Part D: Spending, Beneficiary Cost Sharing, and Cost-Containment Efforts for High-Cost Drugs Eligible for a Specialty Tier
A letter report issued by the Government Accountability Office with an abstract that begins "The Centers for Medicare & Medicaid Services (CMS) allows Part D plans to utilize different tiers with different levels of cost sharing as a way of managing drug utilization and spending. One such tier, the specialty tier, is designed for high-cost drugs whose prices exceed a certain threshold set by CMS. Beneficiaries who use these drugs typically face higher out-of-pocket costs than beneficiaries who use only lower-cost drugs. GAO was asked to provide information about high-cost drugs eligible for a specialty tier. This report provides information on these drugs including spending under Medicare Part D in 2007, the most recent year for which claims data were available; how different cost-sharing structures could be expected to affect beneficiary out-of-pocket costs; how negotiated drug prices could be expected to affect beneficiary out-of-pocket costs; and information Part D plan sponsors reported on their ability to negotiate price concessions and to manage utilization. GAO examined CMS data, including 2007 claims data, negotiated price and out-of-pocket cost data for selected drugs--including the 10 highest-utilization specialty tier-eligible drugs in 2007--and plans from 2006 through 2009, and formulary information provided to CMS by …
Date:
January 29, 2010
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Nuclear Security: DOE Needs to Address Protective Forces' Personnel System Issues
A letter report issued by the Government Accountability Office with an abstract that begins "The September 11, 2001, terrorist attacks raised concerns about the security of Department of Energy's (DOE) sites with weapons-grade nuclear material, known as Category I Special Nuclear Material (SNM). To better protect these sites against attacks, DOE has sought to transform its protective forces protecting SNM into a Tactical Response Force (TRF) with training and capabilities similar to the U.S. military. DOE also has considered whether the current system of separate contracts for protective forces at each site provides sufficiently uniform, high-quality performance across its sites. Section 3124 of PL 110-181, the fiscal year 2008 National Defense Authorization Act, directed GAO to review protective forces at DOE sites that possess Category I SNM. Among other things, GAO (1) analyzed information on the management and compensation of protective forces, (2) examined the implementation of TRF, and (3) assessed DOE's two options to more uniformly manage DOE protective forces."
Date:
January 29, 2010
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Military Personnel: DOD Has Taken Steps to Meet the Health Needs of Deployed Servicewomen, but Actions Are Needed to Enhance Care for Sexual Assault Victims
A letter report issued by the Government Accountability Office with an abstract that begins "The Department of Defense (DOD) is taking steps to address the health care needs of deployed servicewomen. For example, DOD has put in place policies and guidance that include female-specific aspects to help address the health care needs of servicewomen during deployment. Also, as part of pre-deployment preparations, servicewomen are screened for potentially deployment-limiting conditions, such as pregnancy, and DOD officials and health care providers with whom GAO met noted that such screening helps ensure that many female-specific health care needs are addressed prior to deployment. GAO also found that DOD components have conducted reviews of the health care needs of servicewomen during deployments and are collecting data on the medical services provided to deployed servicewomen."
Date:
January 29, 2013
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Defense Acquisitions: Observations on the Department of Defense Service Contract Inventories for Fiscal Year 2008
Correspondence issued by the Government Accountability Office with an abstract that begins "The Department of Defense (DOD) is the federal government's largest purchaser of contractor-provided services and relies on contractors to support its varied missions. DOD's contractors provide a range of services, such as consulting and administrative support, information technology services, and weapon system and base operations support. However, DOD contract management has been on our high-risk list since 1992, and our recent work continues to identify weaknesses in DOD's management and oversight of services contracts. In particular, we have reported on the need for reliable data on how service acquisition dollars are spent to make informed contract management decisions and achieve positive acquisition outcomes. Congress has enacted legislation in recent years to increase the availability of information on services acquisitions to improve DOD's ability to manage these purchases. As part of those efforts, the National Defense Authorization Act for Fiscal Year 2008 amended 10 U.S.C. 2330a to require DOD to submit an annual inventory of the activities performed pursuant to contracts for services for or on behalf of DOD during the preceding fiscal year. These inventories are to contain a number of different elements for the service contracts listed, …
Date:
January 29, 2010
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
Conversions of Selected Employees from Political to Career Positions at Departments and Selected Agencies
Correspondence issued by the Government Accountability Office with an abstract that begins "Political appointees in the federal government sometimes seek appointments to career competitive and other positions which, unlike political appointments, do not terminate at the end of an administration. Conversions of political appointees to career positions must conform to merit system principles requiring that selection be determined solely on the basis of merit after fair and open competition. Sometimes, however, circumstances surrounding conversions can raise questions as to whether the individuals received political favoritism or an unfair advantage in the merit system selection process, even the appearance of which could adversely compromise the integrity of the system. As requested, we are providing you with information on the number of conversions of political appointees to career positions as reported to us by 42 executive branch departments and agencies from May 1, 2005, through May 30, 2009. The types of positions this letter covers and a definition of each, along with the criteria we used to select the 42 departments and agencies, are listed in the scope and methodology section."
Date:
January 29, 2010
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
Patient Safety Act: HHS Is in the Process of Implementing the Act, So Its Effectiveness Cannot Yet Be Evaluated
A letter report issued by the Government Accountability Office with an abstract that begins "The Institute of Medicine (IOM) estimated in 1999 that preventable medical errors cause as many as 98,000 deaths a year among hospital patients in the United States. Congress passed the Patient Safety and Quality Improvement Act of 2005 (the Patient Safety Act) to encourage health care providers to voluntarily report information on medical errors and other events--patient safety data--for analysis and to facilitate the development of improvements in patient safety using these data. The Patient Safety Act directed GAO to report on the law's effectiveness. This report describes progress by the Department of Health and Human Services, Agency for Healthcare Research and Quality (AHRQ) to implement the Patient Safety Act by (1) creating a list of Patient Safety Organizations (PSO) so that these entities are authorized under the Patient Safety Act to collect patient safety data from health care providers to develop improvements in patient safety, and (2) implementing the network of patient safety databases (NPSD) to collect and aggregate patient safety data. These actions are important to complete before the law's effectiveness can be evaluated. To do its work, GAO interviewed AHRQ officials and their …
Date:
January 29, 2010
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library