Testimony issued by the Government Accountability Office with an abstract that begins "The Department of the Interior's (Interior) U.S. Fish and Wildlife Service (Service) is generally required to use the best available scientific information when making key decisions under the Endangered Species Act (ESA). Controversy has surrounded whether former Deputy Assistant Secretary Julie MacDonald may have inappropriately influenced ESA decisions by basing decisions on political factors rather than scientific data. Interior directed the Service to review ESA decisions to determine which decisions may have been unduly influenced. ESA actions include, among others, 90-day petition findings, 12-month listing or delisting findings, and recovery planning. The Service distributed informal guidance in May 2005 on the processing of 90-day petitions. Recovery plans generally must include recovery criteria that, when met, would result in the species being delisted. GAO examined three separate issues: (1) what types of decisions, if any, were excluded from the Service's review of decisions that may have been inappropriately influenced; (2) to what extent the Service's May 2005 informal guidance affected 90-day petition findings; and (3) to what extent the Service has, before delisting species, met recovery criteria. GAO interviewed Service staff, surveyed Service biologists, and reviewed delisting rules and …

A letter report issued by the Government Accountability Office with an abstract that begins "Department of Defense (DOD) officials who serve in senior and acquisition positions and then leave for jobs with defense contractors are subject to the restrictions of post-government employment laws, in order to protect against conflicts of interest. Congress required GAO to report on employment of such officials by contractors who received more than $500 million in DOD's 2005 contract awards. In response, this report (1) provides information on how many former DOD employees worked for contractors in 2006 and estimates how many worked on contracts that were related to their former agencies or to their direct responsibilities and (2) identifies the practices used to monitor restrictions and information challenges in monitoring post-DOD employment. To do this work, GAO matched data from DOD for all employees who left DOD over a 6 year period with data from the Internal Revenue Service (IRS) and from 52 contractors; conducted surveys; and interviewed DOD and contractor officials."

A letter report issued by the Government Accountability Office with an abstract that begins "Securing the control systems that regulate the nation's critical infrastructures is vital to ensuring our economic security and public health and safety. The Tennessee Valley Authority (TVA), a federal corporation and the nation's largest public power company, generates and distributes power in an area of about 80,000 square miles in the southeastern United States. GAO was asked to determine whether TVA has implemented appropriate information security practices to protect its control systems. To do this, GAO examined the security practices in place at several TVA facilities; analyzed the agency's information security policies, plans, and procedures against federal law and guidance; and interviewed agency officials who are responsible for overseeing TVA's control systems and their security."

Testimony issued by the Government Accountability Office with an abstract that begins "The Department of Homeland Security (DHS) was created from a disparate group of agencies with multiple missions, values, and cultures into a cabinet department whose goals are to, among other things, protect U.S. borders and infrastructure, improve intelligence and information sharing, and prevent and respond to potential terrorist attacks. GAO designated the implementation and transformation of DHS as a high-risk area in 2003, and it remains so. While DHS has made progress, it continues to face challenges in transforming into an effective, integrated organization. In response to a request to provide information on diversity in DHS and steps DHS is taking to create and manage a diverse workforce, GAO is providing demographic data related to the federal government as a whole and DHS's workforce. GAO obtained these data from the Office of Personnel Management's (OPM) Central Personnel Data File (CPDF). GAO used its past work on leading diversity management practices (GAO-05-90) and reviewed data from DHS on its diversity management practices."

Testimony issued by the Government Accountability Office with an abstract that begins "The control systems that regulate the nation's critical infrastructures face risks of cyber threats, system vulnerabilities, and potential attacks. Securing these systems is therefore vital to ensuring national security, economic well-being, and public health and safety. While most critical infrastructures are privately owned, the Tennessee Valley Authority (TVA), a federal corporation and the nation's largest public power company, provides power and other services to a large swath of the American Southeast. GAO was asked to testify on its public report being released today on the security controls in place over TVA's critical infrastructure control systems. In doing this work, GAO examined the security practices in place at TVA facilities; analyzed the agency's information security policies, plans, and procedures in light of federal law and guidance; and interviewed agency officials responsible for overseeing TVA's control systems and their security."

This report examines Georgia's efforts to democratize and bolster its free market economy, while surmounting separatism, Russian economic sanctions, and other problems. U.S. policy and assistance are discussed. Basic facts and biographical information are provided. Related products include CRS Report RL33453, Armenia, Azerbaijan, and Georgia: Political Developments and Implications for U.S. Interests, by Jim Nichol.

We derive lens distortion and magnification profiles of four well known clusters observed with Subaru. Each cluster is very well fitted by the general form predicted for Cold Dark Matter (CDM) dominated halos, with good consistency found between the independent distortion and magnification measurements. The inferred level of mass concentration is surprisingly high, 8 < c{sub vir} < 15 (<c{sub vir}> = 10.39 {+-} 0.91), compared to the relatively shallow profiles predicted by the {Lambda}CDM model, c{sub vir} = 5.06 {+-} 1.10 (for <M{sub vir}> = 1.25 x 10{sup 15} M{sub {circle_dot}}/h). This represents a 4{sigma} discrepancy, and includes the relatively modest effects of projection bias and profile evolution derived from N-body simulations, which oppose each other with little residual effect. In the context of CDM based cosmologies, this discrepancy implies some modification of the widely assumed spectrum of initial density perturbations, so clusters collapse earlier (z {ge} 1) than predicted (z < 0.5) when the Universe was correspondingly denser.

A laser-based, table-top instrument is constructed to perform femtosecond soft x-ray transient absorption spectroscopy. Ultrashort soft x-ray pulses produced via high-order harmonic generation of the amplified output of a femtosecond Ti:sapphire laser system are used to probe atomic core-level transient absorptions in atoms and molecules. The results provide chemically specific, time-resolved dynamics with sub-50-fs time resolution. In this setup, high-order harmonics generated in a Ne-filled capillary waveguide are refocused by a gold-coated toroidal mirror into the sample gas cell, where the soft x-ray light intersects with an optical pump pulse. The transmitted high-order harmonics are spectrally dispersed with a home-built soft x-ray spectrometer, which consists of a gold-coated toroidal mirror, a uniform-line spaced plane grating, and a soft x-ray CCD camera. The optical layout of the instrument, design of the soft x-ray spectrometer, and spatial and temporal characterization of the high-order harmonics are described. Examples of static and time-resolved photoabsorption spectra collected on this apparatus are presented.

New BABAR results on B mesons and quarkonia are presented: an analysis of B{sup +} {yields} X(3872)K{sup +} and B{sup 0} {yields} X(3872)K{sup 0} decays with X(3872) {yields} J/{psi}{pi}{sup +}{pi}{sup -}, a precise measurement of the B mass difference {Delta}m{sub B} = m(B{sup 0}) -m(B{sup +}) and a study of hadronic transition between {Upsilon} mesons.

In this issue Rick Sawicki answers the question--What is your role as chief engineer on this project? His reply is--There are two major roles for the Chief Engineer position: (1) to assure that the engineering that is being performed for the project is safely completed in full compliance with all federal, state and Lawrence Livermore National Laboratory policies, standards and procedures and (2) as needed, address special engineering issues as they arise assuring that their resolution is completed in the safest, most effective manner consistent with the project's budget and schedule constraints. Currently the project is nearing completion. Many activities are rapidly coming to a conclusion and many new, complex systems are being activated. I am presently playing a major role in coordinating these activities so that the work can be executed safely and efficiently and the project will complete on schedule. He also answers the following questions: (1) What is the timetable to have this facility up and running for experimentation; (2) Where is the facility; (3) How large is your team of designers, engineers, etc.; (4) What are the means of achieving nuclear fusion; (5) What are the special engineering challenges of this project; (6) How close are …

The baseline bulk-vitrification (BV) process (also known as in-container vitrification ICV™) includes a mixer/dryer to convert liquid low-activity waste (LAW) into a dried, blended feed for vitrification. Feed preparation includes blending LAW with glass-forming minerals (GFMs) and cellulose and drying the mixture to a suitable dryness, consistency, and particle size for transport to the ICVTM container. The cellulose is to be added to the BV feed at a rate sufficient to destroy 75% of the nitrogen present as nitrate or nitrite. Concern exists that flammable gases may be produced during drying operations at levels that could pose a risk. The drying process is conducted under vacuum in the temperature range of 60 to 80°C. These flammable gases could be produced either through thermal decomposition of cellulose or waste organics or as a by-product of the reaction of cellulose and/or waste organics with nitrate or the postulated small amount of nitrite present in the waste. To help address the concern about flammable gas production during drying, the Pacific Northwest National Laboratory (PNNL) performed studies to identify the gases produced at dryer temperatures and at possible process upset conditions. Studies used a thermogravimetric analyzer (TGA) up to 525°C and isothermal testing up …

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This report summarizes the Safe Drinking Water Act (SDWA) and its major programs and regulatory requirements. It excerpts, with several additions, the SDWA chapter of CRS Report RL30798, Environmental Laws: Summaries of Major Statues Administered by the Environmental Protection Agency (EPA), which provides summaries of the principal environmental statutes administered by the Environmental Protection Agency (EPA). This report includes the drinking water security provisions added to the SDWA by the Public Health Security and Bioterrorism Preparedness and Response Act of 2002 (P.L. 107-188).

This report summarizes information about the tax brackets and other key elements of the tax system that determine taxpayer's statutory marginal tax rate. Such elements include tax brackets, exemptions, standard deductions, etc. Statutory individual income tax rates, also referred to as “statutory marginal tax rates,” are the rates of tax applicable to the last (marginal) increment of taxable income. Statutory rates play an important role in determining the real marginal tax rates, which affect taxpayers' economic behavior.

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Quantitative characterizataion of images of naocrystals and nanostructures is a challenging but important task. The development and optimization of methods for the construction of complex nanostructures rely on imaging techniques. Computer programs were developed to quantify TEM images of nanocrystal/DNA nanostructures, and results are presented for heterodimers annd trimers of gold nanocrystals. The programs presented here have also been used to analyze more complex trimers and tetramers linked by branched DNA, as well as for structures made from attaching gold nanocrystals to CdSe/ZnS core-shell quantum dots. This work has the additional goal of enabling others to quickly and easily adapt the methods for their own use.

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NSTX is a spherical tokamak (ST) that operates with ne up to 1020 m-3 and BT less than 0.6 T, cutting off low harmonic electron cyclotron (EC) emission widely used for Te measurements on conventional aspect ratio tokamaks. The electron Bernstein wave (EBW) can propagate in ST plasmas and is emitted at EC harmonics. These properties suggest thermal EBW emission (EBE) may be used for local Te measurements in the ST. Practically, a robust Te(R,t) EBE diagnostic requires EBW transmission efficiencies of > 90% for a wide range of plasma conditions. EBW emission and coupling physics were studied on NSTX with an obliquely viewing EBW to O-mode (B-X-O) diagnostic with two remotely steered antennas, coupled to absolutely calibrated radiometers. While Te(R,t) measurements with EBW emission on NSTX were possible, they were challenged by several issues. Rapid fluctuations in edge ne scale length resulted in > 20% changes in the low harmonic B-X-O transmission efficiency. Also, B-X-O transmission efficiency 2 during H-modes was observed to decay by a factor of 5-10 to less than a few percent. The B-X-O transmission behavior during H-modes was reproduced by EBE simulations that predict that EBW collisional damping can significantly reduce emission when Te < …

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Large Type-I edge localized modes (ELMs) were suppressed by n = 3 resonant magnetic perturbations (RMPs) from a set of internal coils (I-coil) in plasmas with an ITER similar shape at the ITER pedestal collisionality, {nu}*{sub e} {approx} 0.1 and low edge safety factor (q{sub 95} {approx} 3.6), with either a single toroidal row of the internal RMP coils or two poloidally separated rows of coils. ELM suppression with a single row of internal coils was achieved at approximately the same q{sub 95} surface-averaged perturbation field as with two rows of coils, but required higher current per coil. Maintaining complete suppression of ELMs using n = 3 RMPs from a single toroidal row of internal coils was less robust to variations in input neutral beam injection torque than previous ELM suppression cases using both rows of internal coils. With either configuration of RMP coils, maximum ELM size is correlated with the width of the edge region having good overlap of the magnetic islands from vacuum field calculations.

This report begins with a discussion of the characteristics of older foster youth in care and the types of outcomes experienced by youth who have recently emancipated. The report then provides an overview of the federal foster care system, including the Chafee Foster Care Independence program, and provisions in federal foster care law that are intended to help prepare youth for adulthood. The report goes on to discuss other federal support -- through other programs -- for youth aging out of care in the areas of education, health care, employment, and housing. The report seeks to understand how states vary in their approaches to serving older youth in care and those who are recently emancipated. The report also intends to demonstrate that, despite negative outcomes for the group on average, many former foster youth are engaged in decisions about the services they receive and display resiliency. The report concludes with a discussion of issues that Congress may wish to consider, as well as pending legislation relevant to each of the issues.