This document describes a model for condensation of sulfuric acid aerosol given an initial concentration and/or source of gaseous sulfur trioxide (e.g. fuming from oleum). The model includes the thermochemical effects on aerosol condensation and air parcel buoyancy. Condensation is assumed to occur heterogeneously onto a preexisting background aerosol distribution. The model development is both a revisiting of research initially presented at the Fall 2001 American Geophysical Union Meeting [1] and a further extension to provide new capabilities for current atmospheric dispersion modeling efforts [2]. Sulfuric acid is one of the most widely used of all industrial chemicals. In 1992, world consumption of sulfuric acid was 145 million metric tons, with 42.4 Mt (mega-tons) consumed in the United States [10]. In 2001, of 37.5 Mt consumed in the U.S., 74% went into producing phosphate fertilizers [11]. Another significant use is in mining industries. Lawuyi and Fingas [7] estimate that, in 1996, 68% of use was for fertilizers and 5.8% was for mining. They note that H{sub 2}SO{sub 4} use has been and should continue to be very stable. In the United States, the elimination of MTBE (methyl tertiary-butyl ether) and the use of ethanol for gasoline production are further increasing …

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This report describes The Assistance to Firefighters Grant (AFG) Program, or FIRE Act, and The Staffing for Adequate Fire and Emergency Response Firefighters (SAFER) program.

This report provides an overview of how automated political calls are used in federal campaigns.

This report is on Baseline Budget Projections: A Discussion of Issues.

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Testimony issued by the Government Accountability Office with an abstract that begins "Today's remarks are based on our review of schedules and financial reports for the CVC project and related records maintained by AOC and its construction management contractor, Gilbane Building Company; our observations on the progress of work at the CVC construction site; and our discussions with the CVC team (AOC and its major CVC contractors), AOC's Chief Fire Marshal, and representatives from the U.S. Capitol Police. We also reviewed AOC's construction management contractor's periodic schedule assessments, potential change order log, and weekly reports on construction progress. In addition, we reviewed the contract modifications made to date."

This report discusses carbon capture and sequestration (CSS), but not other types of carbon sequestration activities whereby CO2 is removed from the atmosphere and stored in vegetation, soils, or oceans.

The first objective of this proposal was to develop a fundamental understanding of how short-pulse (100 ps to 1 ns) laser parameters affect conditioning and damage initiation in KDP and DKDP crystals. In this study we experimentally determine the effect of short-pulse laser parameters including pulse duration, pulse shape, and fluence on conditioning effectiveness, pinpoint damage density, pinpoint size, and pinpoint morphology in crystals. Based on the experimental results we developed empirical models, which give insight into the underlying physics of energy deposition from short-pulse lasers in KDP and DKDP crystals. The second objective of this proposal was to explore the mechanisms by which energy is deposited during damage in SiO{sub 2}. We have measured how laser parameters such as pulse duration, pulse shape, wavelength, and fluence are relevant to energy deposition, for initiation and growth on the surface of SiO{sub 2} optics.

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This report provides information about the Congressional Oversight and Related Issues Concerning the Prospective Security Agreement Between the United States and Iraq.

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A letter report issued by the Government Accountability Office with an abstract that begins "DOD spends $10 billion annually on multiyear procurement (MYP) contracts for weapons systems. MYPs may save money through more efficient relationships with suppliers and producers, but may also suffer losses if cancelled and can limit future budget flexibility. Recently, Congress has been concerned about DOD's management of the process and savings realized by MYPs. GAO was asked to evaluate DOD's review process for MYP candidates; examine MYP program outcomes; identify the impact of changes to MYP savings threshold guidance, and determine how much DOD validates MYP performance. To do this, GAO reviewed statutes and other guidance, held discussions with relevant officials, examined DOD budget justifications and contracts, and conducted limited case studies."

Testimony issued by the Government Accountability Office with an abstract that begins "The Department of Defense (DOD) has stewardship over an unprecedented amount of taxpayer money--with about $546 billion in discretionary budget authority provided thus far in fiscal year 2008, and total reported obligations of about $492 billion to support ongoing operations and activities related to the Global War on Terrorism from September 11, 2001, through September 2007. Meanwhile, DOD is solely responsible for 8 high-risk areas identified by GAO and shares responsibility for another 7 high-risk areas. GAO designated DOD's approach to business transformation as high risk in 2005. DOD's business systems modernization and financial management have appeared on the list since 1995. Deficiencies in these areas adversely affect DOD's ability, among other things, to assess resource requirements; control costs; ensure accountability; measure performance; prevent waste, fraud, and abuse; and address pressing management issues. Based on previously issued GAO reports and testimonies, this testimony focuses on the progress DOD has made and the challenges that remain with respect to overall business transformation, business systems modernization, and financial management capabilities improvements. GAO has made recommendations to improve DOD's business transformation efforts and DOD's institutional and program-specific management controls. DOD has …

Testimony issued by the Government Accountability Office with an abstract that begins "Other transaction authority was created to enhance the federal government's ability to acquire cutting-edge science and technology by attracting nontraditional contractors that have not typically pursued government contracts. The Homeland Security Act of 2002 granted the department the temporary authority to enter into other transactions for research and prototype projects for a period of 5 years. The Consolidated Appropriations Act of 2008 extended this authority until September 30, 2008. This testimony discusses (1) the extent to which DHS has used its other transaction authority, (2) the status of DHS's implementation of GAO's previous recommendations, and (3) the accountability challenges associated with the use of these agreements."

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