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PRECEDENTS FOR AUTHORIZATION OF CONTENTS USING DOSE RATE MEASUREMENTS (open access)

PRECEDENTS FOR AUTHORIZATION OF CONTENTS USING DOSE RATE MEASUREMENTS

For the transportation of Radioactive Material (RAM) packages, the requirements for the maximum allowed dose rate at the package surface and in its vicinity are given in Title 10 of the Code of Federal Regulations, Section 71.47. The regulations are based on the acceptable dose rates to which the public, workers, and the environment may be exposed. As such, the regulations specify dose rates, rather than quantity of radioactive isotopes and require monitoring to confirm the requirements are met. 10CFR71.47 requires that each package of radioactive materials offered for transportation must be designed and prepared for shipment so that under conditions normally incident to transportation the radiation level does not exceed 2 mSv/h (200 mrem/h) at any point on the external Surface of the package, and the transport index does not exceed 10. Before shipment, the dose rate of the package is determined by measurement, ensuring that it conforms to the regulatory limits, regardless of any analyses. This is the requirement for all certified packagings. This paper discusses the requirements for establishing the dose rates when shipping RAM packages and the precedents for meeting these requirements by measurement.
Date: June 5, 2012
Creator: Abramczyk, G.; Bellamy, S.; Nathan, S. & Loftin, B.
Object Type: Article
System: The UNT Digital Library
Pacific Northwest National Laboratory Potential Impact Categories for Radiological Air Emission Monitoring (open access)

Pacific Northwest National Laboratory Potential Impact Categories for Radiological Air Emission Monitoring

In 2002, the EPA amended 40 CFR 61 Subpart H and 40 CFR 61 Appendix B Method 114 to include requirements from ANSI/HPS N13.1-1999 Sampling and Monitoring Releases of Airborne Radioactive Substances from the Stack and Ducts of Nuclear Facilities for major emission points. Additionally, the WDOH amended the Washington Administrative Code (WAC) 246-247 Radiation protection-air emissions to include ANSI/HPS N13.1-1999 requirements for major and minor emission points when new permitting actions are approved. A result of the amended regulations is the requirement to prepare a written technical basis for the radiological air emission sampling and monitoring program. A key component of the technical basis is the Potential Impact Category (PIC) assigned to an emission point. This paper discusses the PIC assignments for the Pacific Northwest National Laboratory (PNNL) Integrated Laboratory emission units; this revision includes five PIC categories.
Date: June 5, 2012
Creator: Ballinger, Marcel Y.; Gervais, Todd L. & Barnett, J. M.
Object Type: Report
System: The UNT Digital Library

[Transit of Venus, view from McKenna Park, 1]

Photograph of Venus traversing the Sun, taken from McKenna Park in Denton, Texas. Venus, visible as a small black dot, can be seen moving across the upper-right portion of the Sun during sunset.
Date: June 5, 2012
Creator: Chaney, Ken
Object Type: Photograph
System: The UNT Digital Library

[Transit of Venus, view from McKenna Park, 2]

Photograph of Venus traversing the Sun, taken from McKenna Park in Denton, Texas. Venus, visible as a small black dot, can be seen moving across the upper-right portion of the Sun during sunset.
Date: June 5, 2012
Creator: Chaney, Ken
Object Type: Photograph
System: The UNT Digital Library

[Transit of Venus, view from McKenna Park, 3]

Photograph of Venus traversing the Sun, taken from McKenna Park in Denton, Texas. Venus, visible as a small black dot, can be seen moving across the upper-right portion of the Sun during sunset.
Date: June 5, 2012
Creator: Chaney, Ken
Object Type: Photograph
System: The UNT Digital Library

[Transit of Venus, view from McKenna Park, 4]

Photograph of Venus traversing the Sun, taken from McKenna Park in Denton, Texas. Venus, visible as a small black dot, can be seen moving across the upper-right portion of the Sun during sunset. The Sun has been partially blocked from view by a row of clouds.
Date: June 5, 2012
Creator: Chaney, Ken
Object Type: Photograph
System: The UNT Digital Library
COLLABORATIVE: FUSION SIMULATION PROGRAM (open access)

COLLABORATIVE: FUSION SIMULATION PROGRAM

New York University, Courant Institute of Mathematical Sciences, participated in the “Fusion Simulation Program (FSP) Planning Activities” [http://www.pppl.gov/fsp], with C.S. Chang as the institutional PI. FSP’s mission was to enable scientific discovery of important new plasma phenomena with associated understanding that emerges only upon integration. This requires developing a predictive integrated simulation capability for magnetically-confined fusion plasmas that are properly validated against experiments in regimes relevant for producing practical fusion energy. Specific institutional goal of the New York University was to participate in the planning of the edge integrated simulation, with emphasis on the usage of large scale HPCs, in connection with the SciDAC CPES project which the PI was leading. New York University successfully completed its mission by participating in the various planning activities, including the edge physics integration, the edge science drivers, and the mathematical verification. The activity resulted in the combined report that can be found in http://www.pppl.gov/fsp/Overview.html. Participation and presentations as part of this project are listed in a separation file.
Date: June 5, 2012
Creator: Chang, Choong Seock
Object Type: Report
System: The UNT Digital Library
Thailand: Background and U.S. Relations (open access)

Thailand: Background and U.S. Relations

This report looks at the relationship between the U.S. and Thailand, in particular, recent rivalries between populist political forces, neopotism in government, and Thai relationships with neighboring countries.
Date: June 5, 2012
Creator: Chanlett-Avery, Emma & Dolven, Ben
Object Type: Report
System: The UNT Digital Library
The Express-Star (Chickasha, Okla.), Ed. 1 Tuesday, June 5, 2012 (open access)

The Express-Star (Chickasha, Okla.), Ed. 1 Tuesday, June 5, 2012

Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date: June 5, 2012
Creator: DeSilver, Debi
Object Type: Newspaper
System: The Gateway to Oklahoma History
Brownwood Bulletin (Brownwood, Tex.), Vol. 112, No. 200, Ed. 1 Tuesday, June 5, 2012 (open access)

Brownwood Bulletin (Brownwood, Tex.), Vol. 112, No. 200, Ed. 1 Tuesday, June 5, 2012

Weekly newspaper from Brownwood, Texas that includes local, state and national news along with advertising.
Date: June 5, 2012
Creator: Deason, Gene
Object Type: Newspaper
System: The Portal to Texas History
Post-growth annealing to improve the performance of CdZnTe detectors (open access)

Post-growth annealing to improve the performance of CdZnTe detectors

N/A
Date: June 5, 2012
Creator: G., Yang
Object Type: Article
System: The UNT Digital Library
Ability to Repay, Risk-Retention Standards, and Mortgage Credit Access (open access)

Ability to Repay, Risk-Retention Standards, and Mortgage Credit Access

This report examines the developments associated with the implementation of mortgage lending reforms. The report begins with a summary of proposed ability to repay and risk-retention standards. Next, the report describes risky underwriting and financing practices that occurred prior to the mortgage crisis, followed by a discussion of how access to mortgage credit might be affected.
Date: June 5, 2012
Creator: Getter, Darryl E.
Object Type: Report
System: The UNT Digital Library
Sapulpa Daily Herald (Sapulpa, Okla.), Vol. 97, No. 186, Ed. 1 Tuesday, June 5, 2012 (open access)

Sapulpa Daily Herald (Sapulpa, Okla.), Vol. 97, No. 186, Ed. 1 Tuesday, June 5, 2012

Daily newspaper from Sapulpa, Oklahoma that includes local, state, and national news along with advertising.
Date: June 5, 2012
Creator: Gibbs, Angenene
Object Type: Newspaper
System: The Gateway to Oklahoma History

Senior Recital: 2012-06-05 - David López González

Access: Use of this item is restricted to the UNT Community
A senior recital presented at the UNT College of Music Voertman Hall.
Date: June 5, 2012
Creator: González, David López
Object Type: Sound
System: The UNT Digital Library
Recent RHIC In-Situ Coating Technology Developments (open access)

Recent RHIC In-Situ Coating Technology Developments

N/A
Date: June 5, 2012
Creator: Hershcovitch, A.; Blaskiewicz, M.; Brennan, J. M.; Chawla, A.; Custer, A.; Erickson, M. et al.
Object Type: Article
System: The UNT Digital Library
Fundamental Physics at the Intensity Frontier. Report of the Workshop Held December 2011 in Rockville, MD. (open access)

Fundamental Physics at the Intensity Frontier. Report of the Workshop Held December 2011 in Rockville, MD.

Particle physics aims to understand the universe around us. The Standard Model of particle physics describes the basic structure of matter and forces, to the extent we have been able to probe thus far. However, it leaves some big questions unanswered. Some are within the Standard Model itself, such as why there are so many fundamental particles and why they have different masses. In other cases, the Standard Model simply fails to explain some phenomena, such as the observed matter-antimatter asymmetry in the universe, the existence of dark matter and dark energy, and the mechanism that reconciles gravity with quantum mechanics. These gaps lead us to conclude that the universe must contain new and unexplored elements of Nature. Most of particle and nuclear physics is directed towards discovering and understanding these new laws of physics. These questions are best pursued with a variety of approaches, rather than with a single experiment or technique. Particle physics uses three basic approaches, often characterized as exploration along the cosmic, energy, and intensity frontiers. Each employs different tools and techniques, but they ultimately address the same fundamental questions. This allows a multi-pronged approach where attacking basic questions from different angles furthers knowledge and provides …
Date: June 5, 2012
Creator: Hewett, J. L.; Weerts, H.; Brock, R.; Butler, J. N.; Casey, B. C. K.; Lu, Z. T. et al.
Object Type: Report
System: The UNT Digital Library
Rains County Leader (Emory, Tex.), Vol. 125, No. 51, Ed. 1 Tuesday, June 5, 2012 (open access)

Rains County Leader (Emory, Tex.), Vol. 125, No. 51, Ed. 1 Tuesday, June 5, 2012

Weekly newspaper from Emory, Texas that includes local, state, and national news along with advertising.
Date: June 5, 2012
Creator: Hill, Earl Clyde, Jr.
Object Type: Newspaper
System: The Portal to Texas History
Jacksboro Gazette-News (Jacksboro, Tex.), Vol. 132, No. 52, Ed. 1 Tuesday, June 5, 2012 (open access)

Jacksboro Gazette-News (Jacksboro, Tex.), Vol. 132, No. 52, Ed. 1 Tuesday, June 5, 2012

Weekly newspaper from Jacksboro, Texas that includes local, state and national news along with advertising.
Date: June 5, 2012
Creator: Hudson, Pam
Object Type: Newspaper
System: The Portal to Texas History
Stereoscopic System of Coded Aperture Neutron Pad Cameras for Warhead Counting (open access)

Stereoscopic System of Coded Aperture Neutron Pad Cameras for Warhead Counting

Progress report presented at the RadSensing 2012 meeting, Albuquerque, New Mexico.
Date: June 5, 2012
Creator: I., Dioszegi
Object Type: Article
System: The UNT Digital Library
Interim Report on SNP analysis and forensic microarray probe design for South American hemorrhagic fever viruses, tick-borne encephalitis virus, henipaviruses, Old World Arenaviruses, filoviruses, Crimean-Congo hemorrhagic fever viruses, Rift Valley fever (open access)

Interim Report on SNP analysis and forensic microarray probe design for South American hemorrhagic fever viruses, tick-borne encephalitis virus, henipaviruses, Old World Arenaviruses, filoviruses, Crimean-Congo hemorrhagic fever viruses, Rift Valley fever

The goal of this project is to develop forensic genotyping assays for select agent viruses, enhancing the current capabilities for the viral bioforensics and law enforcement community. We used a multipronged approach combining bioinformatics analysis, PCR-enriched samples, microarrays and TaqMan assays to develop high resolution and cost effective genotyping methods for strain level forensic discrimination of viruses. We have leveraged substantial experience and efficiency gained through year 1 on software development, SNP discovery, TaqMan signature design and phylogenetic signature mapping to scale up the development of forensics signatures in year 2. In this report, we have summarized the whole genome wide SNP analysis and microarray probe design for forensics characterization of South American hemorrhagic fever viruses, tick-borne encephalitis viruses and henipaviruses, Old World Arenaviruses, filoviruses, Crimean-Congo hemorrhagic fever virus, Rift Valley fever virus and Japanese encephalitis virus.
Date: June 5, 2012
Creator: Jaing, C & Gardner, S
Object Type: Report
System: The UNT Digital Library
Impacts of Antifoam Additions and Argon Bubbling on Defense Waste Processing Facility Reduction/Oxidation (open access)

Impacts of Antifoam Additions and Argon Bubbling on Defense Waste Processing Facility Reduction/Oxidation

During melting of HLW glass, the REDOX of the melt pool cannot be measured. Therefore, the Fe{sup +2}/{Sigma}Fe ratio in the glass poured from the melter must be related to melter feed organic and oxidant concentrations to ensure production of a high quality glass without impacting production rate (e.g., foaming) or melter life (e.g., metal formation and accumulation). A production facility such as the Defense Waste Processing Facility (DWPF) cannot wait until the melt or waste glass has been made to assess its acceptability, since by then no further changes to the glass composition and acceptability are possible. therefore, the acceptability decision is made on the upstream process, rather than on the downstream melt or glass product. That is, it is based on 'feed foward' statistical process control (SPC) rather than statistical quality control (SQC). In SPC, the feed composition to the melter is controlled prior to vitrification. Use of the DWPF REDOX model has controlled the balanjce of feed reductants and oxidants in the Sludge Receipt and Adjustment Tank (SRAT). Once the alkali/alkaline earth salts (both reduced and oxidized) are formed during reflux in the SRAT, the REDOX can only change if (1) additional reductants or oxidants are added …
Date: June 5, 2012
Creator: Jantzen, Carol M. & Johnson, F. C.
Object Type: Report
System: The UNT Digital Library
A NEW ALGORITHM FOR RADIOISOTOPE IDENTIFICATION OF SHIELDED AND MASKED SNM/RDD MATERIALS (open access)

A NEW ALGORITHM FOR RADIOISOTOPE IDENTIFICATION OF SHIELDED AND MASKED SNM/RDD MATERIALS

Detection and identification of shielded and masked nuclear materials is crucial to national security, but vast borders and high volumes of traffic impose stringent requirements for practical detection systems. Such tools must be be mobile, and hence low power, provide a low false alarm rate, and be sufficiently robust to be operable by non-technical personnel. Currently fielded systems have not achieved all of these requirements simultaneously. Transport modeling such as that done in GADRAS is able to predict observed spectra to a high degree of fidelity; our research is focusing on a radionuclide identification algorithm that inverts this modeling within the constraints imposed by a handheld device. Key components of this work include incorporation of uncertainty as a function of both the background radiation estimate and the hypothesized sources, dimensionality reduction, and nonnegative matrix factorization. We have partially evaluated performance of our algorithm on a third-party data collection made with two different sodium iodide detection devices. Initial results indicate, with caveats, that our algorithm performs as good as or better than the on-board identification algorithms. The system developed was based on a probabilistic approach with an improved approach to variance modeling relative to past work. This system was chosen based …
Date: June 5, 2012
Creator: Jeffcoat, R.
Object Type: Article
System: The UNT Digital Library
Afghanistan: Politics, Elections, and Government Performance (open access)

Afghanistan: Politics, Elections, and Government Performance

This report discusses the current political state of Afghanistan, as well as the Afghan government. This report also discusses Afghanistan's relationship with the United States, particularly U.S. efforts to urge President Hamid Karzai, to address corruption within the Afghan government. The report also includes discussion of election fraud and corruption in Afghanistan.
Date: June 5, 2012
Creator: Katzman, Kenneth
Object Type: Report
System: The UNT Digital Library
Afghanistan: Politics, Elections, and Government Performance (open access)

Afghanistan: Politics, Elections, and Government Performance

This report discusses the current political state of Afghanistan, as well as the Afghan government. This report also discusses Afghanistan's relationship with the United States, particularly U.S. efforts to urge President Hamid Karzai, to address corruption within the Afghan government. The report also includes discussion of election fraud and corruption in Afghanistan.
Date: June 5, 2012
Creator: Katzman, Kenneth
Object Type: Report
System: The UNT Digital Library