A letter report issued by the Government Accountability Office with an abstract that begins "In an effort to help the millions of homeowners struggling to keep their homes, a range of federal programs have offered relief in the form of loan modifications and refinancing into loans with lower interest rates, among other things. Under Treasury’s Home Affordable Modification Program (HAMP), initiated in early 2009, servicers have modified almost 1 million loans between 2009 and 2011. During the same period, servicers modified nearly 1 million additional loans under programs administered by the Departments of Agriculture (USDA) and Veterans Affairs (VA), Federal Housing Administration (FHA), and Fannie Mae and Freddie Mac (the enterprises). Servicers have also modified about 2.1 million loans under nonfederal loan modification programs resulting in a total of about 4 million modifications between 2009 and 2011. However, a large number of borrowers have sought assistance, but were unable to receive a modification. For example, approximately 2.8 million borrowers had their HAMP loan modification application denied or their trial loan modification canceled. Further, the volume of federal modifications has declined since 2010. Recent efforts have expanded refinancing programs. However, low participation rates in FHA’s program raise questions about the need …

A letter report issued by the Government Accountability Office with an abstract that begins "The Department of Defense (DOD) has taken steps to establish an approach for managing DOD’s overall fuel demand, but is still developing comprehensive guidance to address fuel demand management, including at forward-deployed locations in countries such as Afghanistan. In 2009, GAO reported that DOD lacked (1) visibility and accountability for achieving fuel reduction, (2) incentives and a viable funding mechanism to invest in the implementation of fuel demand reduction projects, and (3) guidance and policies that addressed fuel demand at forward-deployed locations. In response to GAO recommendations, DOD has taken steps since 2009 to increase its visibility and accountability for fuel demand management at forward-deployed locations, including those located in Afghanistan. In addition, with an increased focus on fuel demand management, DOD has also provided funding and incentives to implement fuel demand management projects. Further, DOD has issued some guidance on fuel demand management at forward-deployed locations since 2009 and is developing more comprehensive guidance on how DOD will incorporate energy efficiency considerations into operations, planning, and training decisions for current military operations in Afghanistan and for future military operations. DOD’s 2012 Operational Energy Strategy Implementation …

A letter report issued by the Government Accountability Office with an abstract that begins "The Department of Justice’s (Justice) website called FOIA.gov presents data from agencies’ annual Freedom of Information Act (FOIA) reports. Agencies submit their annual reports to Justice in print and in electronic form and Justice posts the electronic data onto the website. For fiscal year 2010, the data GAO reviewed on the website were generally consistent with the data in the agencies’ print versions. According to Justice officials, the department has taken steps to ensure accuracy and consistency of the data. These steps include providing annual training to agency personnel who are responsible for preparation of the FOIA annual reports and posting guidance for report completion and submission on the Office of Information Policy website. In addition, the department has implemented checks to ensure data consistency between the two report versions. Specifically, it has developed and provided agencies with a tool to be used in creating the electronic version for the website. The tool contains features that assist agencies in compiling their data and math checks to help ensure consistency. Further, Justice officials have a checklist they use as a guide for checking the consistency of the …

A letter report issued by the Government Accountability Office with an abstract that begins "The Internal Revenue Service (IRS) has made significant progress in improving its internal controls and financial management since its first financial statement audit in 1992, as evidenced by 12 consecutive years of clean audit opinions on its financial statements, the resolution of several material control deficiencies, and actions resulting in the closure of over 300 financial management recommendations. This progress has been the result of hard work throughout IRS and sustained commitment at the top levels of the agency. However, IRS still faces significant financial management challenges in (1) resolving its remaining material weaknesses and significant deficiency in internal control, (2) developing outcome-oriented performance metrics, and (3) correcting numerous other control deficiencies, especially those relating to safeguarding tax receipts and taxpayer information. At the beginning of GAO’s audit of IRS’s fiscal year 2011 financial statements, 77 recommendations from prior audits remained open because IRS had not fully addressed the underlying issues. During the fiscal year 2011 financial audit, IRS took actions that GAO considered sufficient to close 38 recommendations. At the same time, GAO identified additional control deficiencies resulting in 30 new recommendations. In total, 69 …

This report looks at the different ways to construct a high speed rail (HSR) in the U.S., including estimates of construction costs.

This report discusses funding Issues in the 112th Congress and Recent Funding History The Administration's FY2012 budget proposes to: (1) increase funding for CDBG formula grants by 10.5% from $3.303 billion appropriated in FY2010 to $3.691 billion; (2) eliminate funding for the Neighborhood Initiative and Economic Development Initiative programs; (3) eliminate funding for Section 107 activities; (4) transfer its Sustainable Communities Initiative to a new stand-alone account; and (5) convert Section 108 loan guarantees to a fee-based program.

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ORAU conducted confirmatory survey activities within the NRL at the University during the week of May 7, 2012. The survey activities included visual inspections/ assessments, surface activity measurements, and volumetric concrete sampling activities. During the course of the confirmatory activities, ORAU noted several issues with the survey-for-release activities performed at the University. Issues included inconsistencies with: survey unit classifications were not designated according to Multi-Agency Radiation Survey and Site Investigation Manual guidance; survey instrument calibrations were not representative of the radionuclides of concern; calculations for instrumentation detection capabilities did not align with the release criteria discussed in the licensee’s survey guidance documents; total surface activity measurements were in excess of the release criteria; and Co-60 and Eu-152 concentrations in the confirmatory concrete samples were above their respective guidelines. Based on the significant programmatic issues identified, ORAU cannot independently conclude that the NRL satisfied the requirements and limits for release of materials without radiological restrictions.

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A “lessons learned” is a noteworthy practice or innovative approach that is captured and shared to promote repeat application, or an adverse work practice/experience that is captured and shared to avoid reoccurrence. This document provides the lessons learned identified by the 618-10 Burial Ground trench remediation and the 618-10 and 618-11 Burial Ground nonintrusive characterization of the vertical pipe units (VPUs).

A previous experiment in the National Spherical Torus Experiment (NSTX) showed pre-discharge lithium deposition gradually suppresed edge-localized modes (ELMs) and had nearly continuous relationships with reduced recycling and transport. In this paper, additional data filled gaps in the earlier experiment, and demonstrates that recycling, confinement, and pedestal structure continued to improve with additional lithium, even after ELMs were completely suppressed. New analysis shows that toroidal rotation and ion temperature also increased continuously with additional lithium. Besides its evolution with additional lithium, we also characterize the time evolution of the ELM-free H-mode pedestal as average density rose and impurities accumulated. We find that the pedestal structure, divertor heat flux and Dalpha profiles, and inferred recycling coefficient did not change significantly, at least until radiative losses become dominant. This suggests that the low-recycling properties of lithium were not significantly degraded over the duration of the discharge.

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Data center (DC) electricity use is increasing at an annual rate of over 20% and presents a concern for the Information Technology (IT) industry, governments, and the society. A large fraction of the energy use is consumed by the compressor cooling to maintain the recommended operating conditions for IT equipment. The most common way to improve the DC efficiency is achieved by optimally provisioning the cooling power to match the global heat dissipation in the DC. However, at a more granular level, the large range of heat densities of today's IT equipment makes the task of provisioning cooling power optimized to the level of individual computer room air conditioning (CRAC) units much more challenging. Distributed sensing within a DC enables the development of new strategies to improve energy efficiency, such as hot spot elimination through targeted cooling, matching power consumption at rack level with workload schedule, and minimizing power losses. The scope of Measurement and Management Technologies (MMT) is to develop a software tool and the underlying sensing technology to provide critical decision support and control for DC and telecommunication facilities (TF) operations. A key aspect of MMT technology is integration of modeling tools to understand how changes in one …

Electron dephasing is a major gain-inhibiting effect in plasma-based accelerators. A novel method is proposed to overcome dephasing, in which the modulation of a modest (#24; O(10 kG)), axial, uniform magnetic field in the acceleration channel leads to densification of the plasma through magnetic compression, enabling direct, time-resolved control of the plasma wave properties. The methodology is broadly applicable and can be optimized to improve the leading acceleration approaches, including plasma beat-wave, plasma wakefield, and laser wakefield acceleration. The advantages of magnetic compression compared to other proposed schemes to overcome dephasing are identified.

The computational fluid dynamics (CFD) and computational structural mechanics (CSM) focus areas at Argonne's Transportation Research and Analysis Computing Center (TRACC) initiated a project to support and compliment the experimental programs at the Turner-Fairbank Highway Research Center (TFHRC) with high performance computing based analysis capabilities in August 2010. The project was established with a new interagency agreement between the Department of Energy and the Department of Transportation to provide collaborative research, development, and benchmarking of advanced three-dimensional computational mechanics analysis methods to the aerodynamics and hydraulics laboratories at TFHRC for a period of five years, beginning in October 2010. The analysis methods employ well benchmarked and supported commercial computational mechanics software. Computational mechanics encompasses the areas of Computational Fluid Dynamics (CFD), Computational Wind Engineering (CWE), Computational Structural Mechanics (CSM), and Computational Multiphysics Mechanics (CMM) applied in Fluid-Structure Interaction (FSI) problems. The major areas of focus of the project are wind and water effects on bridges - superstructure, deck, cables, and substructure (including soil), primarily during storms and flood events - and the risks that these loads pose to structural failure. For flood events at bridges, another major focus of the work is assessment of the risk to bridges caused by …

The Savannah River National Laboratory (SRNL) was requested by Savannah River Remediation (SRR) to provide sample preparation and analysis of the Tank 6F final characterization samples to determine the residual tank inventory prior to grouting. Fourteen residual Tank 6F solid samples from three areas on the floor of the tank were collected and delivered to SRNL between May and August 2011. These Tank 6F samples were homogenized and combined into three composite samples based on a proportion compositing scheme and the resulting composite samples were analyzed for radiological, chemical and elemental components. Additional measurements performed on the Tank 6F composite samples include bulk density and water leaching of the solids to account for water soluble components. The composite Tank 6F samples were analyzed and the data reported in triplicate. Sufficient quality assurance standards and blanks were utilized to demonstrate adequate characterization of the Tank 6F samples. The main evaluation criteria were target detection limits specified in the technical task request document. While many of the target detection limits were met for the species characterized for Tank 6F some were not met. In a few cases, the relatively high levels of radioactive species of the same element or a chemically similar …

Final Technical Report for the Recovery Act Project for the Installation of a Low Flow Unit at the Abiquiu Hydroelectric Facility. The Abiquiu hydroelectric facility existed with two each 6.9 MW vertical flow Francis turbine-generators. This project installed a new 3.1 MW horizontal flow low flow turbine-generator. The total plant flow range to capture energy and generate power increased from between 250 and 1,300 cfs to between 75 and 1,550 cfs. Fifty full time equivalent (FTE) construction jobs were created for this project - 50% (or 25 FTE) were credited to ARRA funding due to the ARRA 50% project cost match. The Abiquiu facility has increased capacity, increased efficiency and provides for an improved aquatic environment owing to installed dissolved oxygen capabilities during traditional low flow periods in the Rio Chama. A new powerhouse addition was constructed to house the new turbine-generator equipment.

A new code, the Neoclassical Ion-Electron Solver (NIES), has been written to solve for stationary, axisymmetric distribution functions (f ) in the conventional banana regime for both ions and elec trons using a set of drift-kinetic equations (DKEs) with linearized Fokker-Planck-Landau collision operators. Solvability conditions on the DKEs determine the relevant non-adiabatic pieces of f (called h ). We work in a 4D phase space in which Ψ defines a flux surface, θ is the poloidal angle, v is the total velocity referenced to the mean flow velocity, and λ is the dimensionless magnetic moment parameter. We expand h in finite elements in both v and λ#21; . The Rosenbluth potentials, φ#8; and ψ, which define the integral part of the collision operator, are expanded in Legendre series in cos χ , where #31;χ is the pitch angle, Fourier series in cos #18;θ , and finite elements in v . At each ψ , we solve a block tridiagonal system for hi (independent of fe ), then solve another block tridiagonal system for he (dependent on fi ). We demonstrate that such a formulation can be accurately and efficiently solved. NIES is coupled to the MHD equilibrium code JSOLVER [J. …

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The Texas Rural Transportation Plan (TRTP) is the rural component of the Statewide Long Range Transportation Plan (SLRTP) 2035. As part of the SLRTP, the TRTP is a blueprint for the planning process in the rural areas that will guide the collaborative efforts between the Texas Department of Transportation (TxDOT), local and regional decision-makers, and all transportation stakeholders to reach a consensus on needed transportation projects and services through 2035.The report describes current condition, needs and planned improvements, economic impact, stakeholders and public outreach and conclusion.