A search for nuclear resonance fluorescence excitations in {sup 235}U and {sup 239}Pu within the energy range of 1.0- to 2.5-MeV was performed using a 4-MeV continuous bremsstrahlung source at the High Voltage Research Laboratory at the Massachusetts Institute of Technology. Measurements utilizing high purity Ge detectors at backward angles identified 9 photopeaks in {sup 235}U and 12 photopeaks in {sup 239}Pu in this energy range. These resonances provide unique signatures that allow the materials to be non-intrusively detected in a variety of environments including fuel cells, waste drums, vehicles and containers. The presence and properties of these states may prove useful in understanding the mechanisms for mixing low-lying collective dipole excitations with other states at low excitations in heavy nuclei.

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Weekly newspaper from Rusk, Texas that includes local, state and national news along with extensive advertising.

The impact on children of domestic violence was an issue of interest in the 109th Congress. The first session of the 109th Congress ended with the passage of the Violence Against Women and Department of Justice Reauthorization Act of 2005 (P.L. 109-162), which contained new initiatives to address concerns about children and youth exposed to and victimized by domestic violence. This report discusses existing federal programs and initiatives that have been established to assist such children and youth, and new provisions enacted in P.L. 109-162.

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This report summarizes the results of a three-year program that addressed key scientific and technical aspects related to natural and enhanced attenuation of chlorinated organics. The results from this coordinated three-year program support a variety of technical and regulatory advancements. Scientists, regulators, engineers, end-users and stakeholders participated in the program, which was supported by the U.S. Department of Energy (DOE) and the Interstate Technology and Regulatory Council (ITRC). The overarching objective of the effort was to examine environmental remedies that are based on natural processes--remedies such as Monitored Natural Attenuation (MNA) or Enhanced Attenuation (EA). A key result of the recent effort was the general affirmation of the approaches and guidance in the original U.S. Environmental Protection Agency (EPA) chlorinated solvent MNA protocols and directives from 1998 and 1999, respectively. The research program did identify several specific opportunities for advances based on: (1) mass balance as the central framework for attenuation based remedies, (2) scientific advancements and achievements during the past ten years, (3) regulatory and policy development and real-world experience using MNA, and (4) exploration of various ideas for integrating attenuation remedies into a systematic set of ''combined remedies'' for contaminated sites. These opportunities are summarized herein and are …

Dense Non-Aqueous Phase Liquid (DNAPL) such as trichloroethylene act as long term sources of groundwater contaminants and are difficult and expensive to remediate. DNAPL-contaminated sites are a significant financial liability for the Department of Energy and the private sector. The objective of this study was to engineer reactive Fe-based nanoparticles with specialized polymeric coatings to make them mobile in the subsurface and to provide them with an affinity for the DNAPL/water interface. The synthesis, characterization, and reactivity/mobility of the engineered particles, and a molecular dynamic model that predicts their behavior at the DNPAL/water interface are described in this report.

We perform simulations of two types of large-scale Compton imaging detectors. The first type uses silicon and germanium detector crystals, and the second type uses silicon and CdZnTe (CZT) detector crystals. The simulations use realistic detector geometry and parameters. We analyze the performance of each type of detector, and we present results using receiver operating characteristics (ROC) curves.

Simulations are performed for seven different geometrical configurations of CdZnTe (CZT) detector arrays for Intelligent Personal Radiation Locator (IPRL) devices. IPRL devices are portable radiation detectors that have gamma-ray imaging capability. The detector performance is analyzed for each type of IPRL configuration, and the intrinsic photopeak efficiency, intrinsic photopeak count rate, detector image resolution, imaging efficiency, and imaging count rate are determined.

Weekly newspaper from Wylie, Texas that includes local, state and national news along with advertising.

Semiweekly newspaper from Seminole, Texas that includes local, state, and national news along with extensive advertising.

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This report provides a brief overview and summary of the federal laws, ethical rules, and regulations which may be relevant to the activities of those who lobby the United States Congress.

This report summarizes those procedures and lists membership on each party's steering committee.

This report consists of alternative mortgages: risks to consumers and lenders in the current housing cycle.

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Weekly newspaper from The Colony, Texas that includes local, state, and national news along with advertising.

The National Museum of the Pacific War presents an interview with Cy Heinrich. Heinrich entered the Navy and served with the VF-41 Night Fighter Squadron, aboard the USS Independence (CVL-22) as a Landing Signal Officer. Around January 1944 he was assigned to Las Alamedas to work with Carrier Aircraft Service Unit 33, CASU-33. He helped implement reflective material down the legs of their flight suits in order to see one another more easily during night landings. Heinrich was assigned back to the Independence around July of 1944, where his squadron was assigned to take new aircraft aboard. He provides some details of this work, including the tedious work of serving as a Landing Signal Officer. They struck Okinawa, Formosa, and the Philippines. He provides details of how the Independence became a night operating carrier.