Nuclear Weapons: Disposal Options for Surplus Weapons-Usable Plutonium (open access)

Nuclear Weapons: Disposal Options for Surplus Weapons-Usable Plutonium

With the end of the Cold War, the Strategic Arms Reduction Treaties (START), and other agreements, the United States and Russia have dramatically reduced their arsenals of nuclear weapons. As a result, each side has accumulated large stockpiles of plutonium, one of the principal materials used in nuclear warheads. The United States recently declared a holding of approximately 50 metric tons of weapons-usable plutonium excess to military needs. Even greater levels are believed to exist in Russia.
Date: May 22, 1997
Creator: Johnson, Craig M. & Davis, Zachary S.
Object Type: Report
System: The UNT Digital Library
Texas Register, Volume 23, Number 21, Pages 5269-5532, May 22, 1998 (open access)

Texas Register, Volume 23, Number 21, Pages 5269-5532, May 22, 1998

A weekly publication, the Texas Register serves as the journal of state agency rulemaking for Texas. Information published in the Texas Register includes proposed, adopted, withdrawn and emergency rule actions, notices of state agency review of agency rules, governor's appointments, attorney general opinions, and miscellaneous documents such as requests for proposals. After adoption, these rulemaking actions are codified into the Texas Administrative Code.
Date: May 22, 1998
Creator: Texas. Secretary of State.
Object Type: Journal/Magazine/Newsletter
System: The Portal to Texas History
Texas Register, Volume 17, Number 38, Pages 3751-3807, May 22, 1992 (open access)

Texas Register, Volume 17, Number 38, Pages 3751-3807, May 22, 1992

A weekly publication, the Texas Register serves as the journal of state agency rulemaking for Texas. Information published in the Texas Register includes proposed, adopted, withdrawn and emergency rule actions, notices of state agency review of agency rules, governor's appointments, attorney general opinions, and miscellaneous documents such as requests for proposals. After adoption, these rulemaking actions are codified into the Texas Administrative Code.
Date: May 22, 1992
Creator: Texas. Secretary of State.
Object Type: Journal/Magazine/Newsletter
System: The Portal to Texas History
Texas Register, Volume 15, Number 39, Pages 2833-2864, May 22, 1990 (open access)

Texas Register, Volume 15, Number 39, Pages 2833-2864, May 22, 1990

A weekly publication, the Texas Register serves as the journal of state agency rulemaking for Texas. Information published in the Texas Register includes proposed, adopted, withdrawn and emergency rule actions, notices of state agency review of agency rules, governor's appointments, attorney general opinions, and miscellaneous documents such as requests for proposals. After adoption, these rulemaking actions are codified into the Texas Administrative Code.
Date: May 22, 1990
Creator: Texas. Secretary of State.
Object Type: Journal/Magazine/Newsletter
System: The Portal to Texas History
Texas Attorney General Opinion: DM-26 (open access)

Texas Attorney General Opinion: DM-26

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Dan Morales, regarding a legal question submitted for clarification: Fees payable to county and district clerks in eminent domain cases and when fees are payable by state agency (RQ-14)
Date: May 22, 1991
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Cryocooler applications for high-temperature superconductor magnetic bearings. (open access)

Cryocooler applications for high-temperature superconductor magnetic bearings.

The efficiency and stability of rotational magnetic suspension systems are enhanced by the use of high-temperature superconductor (HTS) magnetic bearings. Fundamental aspects of the HTS magnetic bearings and rotational magnetic suspension are presented. HTS cooling can be by liquid cryogen bath immersion or by direct conduction, and thus there are various applications and integration issues for cryocoolers. Among the numerous cryocooler aspects to be considered are installation; operating temperature; losses; and vacuum pumping.
Date: May 22, 1998
Creator: Niemann, R. C.
Object Type: Article
System: The UNT Digital Library
Quality + safety = productivity: The implosion of Plant 7 (open access)

Quality + safety = productivity: The implosion of Plant 7

At the Fernald Environmental Restoration Management Corporation (FERMCO), our product is a clean site. We measure productivity by our progress in taking down buildings and dispositioning hazardous waste. To those ends, Quality and Safety work together to ensure that productivity is gained in the safest way possible. The Plant 7 deconstruction is an example of how this teamwork has increased productivity at the site.
Date: May 22, 1995
Creator: Alhadeff, N. & Abernathy, L.
Object Type: Article
System: The UNT Digital Library
An inverse Cherenkov accelerator using a dielectric channeled waveguide. (open access)

An inverse Cherenkov accelerator using a dielectric channeled waveguide.

None
Date: May 22, 1998
Creator: Gai, W.
Object Type: Article
System: The UNT Digital Library
Analysis of heat and mass transport processes near an emplaced nuclear waste canister; Final report (open access)

Analysis of heat and mass transport processes near an emplaced nuclear waste canister; Final report

A review has been performed of the models and experimental plans for evaluation of the spent fuel canister environment in a nuclear repository, e.g., the planned Yucca Mountain facilities. Special emphasis was placed on the relevance of the models and experiments to the 100 to 10,000 year prediction. The question was addressed whether one could justify testing in materials other than Yucca Mountain rock and obtain results in a relatively short time which would be relevant to the long time in Yucca Mountain. The paper discusses steam evolution in calculations and experiments, fracture models, possible measurements of relative permeability, and long time scale effects. 5 figs. (MB)
Date: May 22, 1990
Creator: Keller, C.
Object Type: Report
System: The UNT Digital Library
Selective Au-Si eutectic bonding for Si-based MEMS applications (open access)

Selective Au-Si eutectic bonding for Si-based MEMS applications

A novel method of fabricating three-dimensional silicon micro electromechanical systems (MEMS) is presented, using selectivity thin film deposited Au-Si eutectic bond pads. Utilizing this process, complicated structures such as microgrippers and microchannels are fabricated. Bond strengths are higher than the silicon fracture strength and the bond areas can be localized and aligned to the processed wafer. The process and the applications are described in this paper.
Date: May 22, 1995
Creator: Lee, A.; Lehew, S. & Yu, C.
Object Type: Article
System: The UNT Digital Library
Science of consciousness and the hard problem (open access)

Science of consciousness and the hard problem

Quantum theory is essentially a rationally coherent theory of the interaction of mind and matter, and it allows our conscious thoughts to play a causally efficacious and necessary role in brain dynamics. It therefore provides a natural basis, created by scientists, for the science of consciousness. As an illustration it is explained how the interaction of brain and consciousness can speed up brain processing, and thereby enhance the survival prospects of conscious organisms, as compared to similar organisms that lack consciousness. As a second illustration it is explained how, within the quantum framework, the consciously experienced {open_quotes}I{close_quotes} directs the actions of a human being. It is concluded that contemporary science already has an adequate framework for incorporating causally efficacious experimential events into the physical universe in a manner that: (1) puts the neural correlates of consciousness into the theory in a well defined way, (2) explains in principle how the effects of consciousness, per se, can enhance the survival prospects of organisms that possess it, (3) allows this survival effect to feed into phylogenetic development, and (4) explains how the consciously experienced {open_quotes}I{close_quotes} can direct human behaviour.
Date: May 22, 1996
Creator: Stapp, Henry P.
Object Type: Article
System: The UNT Digital Library
Impact studies of five ceramic materials and pyrex (open access)

Impact studies of five ceramic materials and pyrex

We measured the ballistic performance of five ceramic materials (alumina, silicon carbide, boron carbide, aluminum nitride, and titanium diboride) and Pyrex, when they are backed by thick steel plates. The projectile for all tests was a right-circular cylinder of tungsten sinter-alloy W2 with length 25.4 mm and diameter 6.35 mm, fired at velocities from 1.35 to 2.65 km/s. For this threat we determined the minimum areal density of each material that is needed to keep the projectile from penetrating the backup steel. For all of the facing materials studied here, this performance measure increases approximately linearly with projectile velocity. However, the rate of increase is significantly lower for aluminum nitride than for the other materials studied. Indeed, aluminum nitride is a poor performer at the lowest velocity tested, but is clearly the best at the highest velocity. Our computer simulations show the significant influence of the backing material on ceramic performance, manifested by a transition region extending two projectile diameters upstream from the material interface. Experiments with multiple material layers show that this influence also manifests itself through a significant dependence of ballistic performance on the ordering of the material
Date: May 22, 1998
Creator: Cunningham, B. J.; Holt, A. C.; Hord, B. L.; Kusubov, A. S.; Reaugh, J. E. & Wilkins, M. L.
Object Type: Article
System: The UNT Digital Library
EUVL reticle factory model and reticle cost analysis (open access)

EUVL reticle factory model and reticle cost analysis

The key issues in reticle manufacturing are cost and delivery time, both of which are dependent upon the yield of the process line. To estimate the cost and delivery time for EUVL reticles in commercial manufacturing, we have developed the first model for an EUV reticle factory which includes all the tools required for a presumed EUVL reticle fabrication process. This model includes the building, support tools and sufficient ``in-line`` process tools for the manufacture of (more than) 2500 reticles per year. Industry specifications for the tool performance are used to determine the number of tools required per process step and the average number of reticles fabricated per year. Building and capital equipment depreciation costs, tool installation costs, tool maintenance costs, labor, clean room costs, process times and process yields are estimated and used to calculate the yearly operating cost of the reticle factory and the average reticle fabrication cost. We estimate the sales price of an EUV reticle to be $60K for non-critical levels and $120K for ``leading-edge.`` The average reticle fabrication time is calculated for three different process-line yields.
Date: May 22, 1996
Creator: Hawryluk, A.M.; Shelden, G. & Troccolo, P.
Object Type: Article
System: The UNT Digital Library
Single-molecule electrophoresis. Final report (open access)

Single-molecule electrophoresis. Final report

A novel method for the detection and identification of single molecules in solution has been devised, computer-simulated, and experimentally achieved. The technique involves the determination of electrophoretic velocities by measuring the time required by individual molecules to travel a fixed distance between two laser beams. Computer simulations of the process were performed beforehand in order to estimate the experimental feasibility of the method, and to determine the optimum values for the various experimental parameters. Examples of the use of the technique for the ultrasensitive detection and identification of rhodamine-6G, a mixture of DNA restriction fragments, and a mixture of proteins in aqueous solution are presented.
Date: May 22, 1996
Creator: Castro, A. & Shera, E.B.
Object Type: Report
System: The UNT Digital Library
Boeing Michigan Aeronautical Research Center (BOMARC) missile accident site mitigation review (open access)

Boeing Michigan Aeronautical Research Center (BOMARC) missile accident site mitigation review

In December 1995, the Los Alamos National Laboratory (LANL) was requested by SAF/MIQ to review the information associated with the BOMARC missile accident site and the November 16, 1992 Record of Decision (ROD). The purpose of this review was, {open_quotes}{hor_ellipsis} to help ensure our plans call for using the most efficient and up-to-date technology in our cleanup, and to ensure our plans to ship the contaminated waste meet all regulatory requirements.{close_quotes}
Date: May 22, 1996
Creator: McCulla, W. H.; Rea, K. H. & Plannerer, H. N.
Object Type: Report
System: The UNT Digital Library
Hanford Tanks Initiative requirements and document management process guide (open access)

Hanford Tanks Initiative requirements and document management process guide

This revision of the guide provides updated references to project management level Program Management and Assessment Configuration Management activities, and provides working level directions for submitting requirements and project documentation related to the Hanford Tanks Initiative (HTI) project. This includes documents and information created by HTI, as well as non-HTI generated materials submitted to the project.
Date: May 22, 1998
Creator: Schaus, P.S.
Object Type: Report
System: The UNT Digital Library
IRC on your dime? What you really need to know about Internet relay chat (open access)

IRC on your dime? What you really need to know about Internet relay chat

The purpose of this paper is to describe recent trends CIAC has encountered while working with sites that have been compromised. Frequently, the intruders set up and run Internet Relay Chat (IRC) to exchange information and to show off their success at having compromised a site. Invariably, this protocol consumes bandwidth, uses CPU cycles and is a source of embarrassment for the site. This paper focuses on these negative aspects of IRC and concedes that one can cite numerous examples where IRC is used in a positive manner.
Date: May 22, 1998
Creator: ERayome, J. & Romig, S., LLNL
Object Type: Report
System: The UNT Digital Library
Vapor sampling of the headspace of radioactive waste storage tanks (open access)

Vapor sampling of the headspace of radioactive waste storage tanks

This paper recants the history of vapor sampling in the headspaces of radioactive waste storage tanks at Hanford. The first two tanks to receive extensive vapor pressure sampling were Tanks 241-SY-101 and 241-C-103. At various times, a gas chromatography, on-line mass spectrometer, solid state hydrogen monitor, FTIR, and radio acoustic ammonia monitor have been installed. The head space gas sampling activities will continue for the next few years. The current goal is to sample the headspace for all the tanks. Some tank headspaces will be sampled several times to see the data vary with time. Other tanks will have continuous monitors installed to provide additional data.
Date: May 22, 1996
Creator: Reynolds, D. A.
Object Type: Article
System: The UNT Digital Library
Shrapnel impact probability and diagnostic port failure analysis for LLNL`s explosives testing contained firing facility (CFF) (open access)

Shrapnel impact probability and diagnostic port failure analysis for LLNL`s explosives testing contained firing facility (CFF)

Lawrence Livermore National Laboratory` s (LLNL) Contained Firing Facility (CFF) is a facility to be constructed for explosives testing of up to 60 kg of explosives at LLNL` s Site 300 Explosives Test Site. The CFF will be a large, rectangular, reinforced concrete firing chamber, lined with steel for shrapnel protection. The CFF will contain several glass ports for cameras, lasers, and other diagnostic equipment to be used for data collection during planned explosives detonations. Glass is used due to the need for the greatest possible optical clarity. This study was performed during the CFF final design stage to determine probabilities and consequences (bounding and best estimate) of impact of shrapnel, due to concerns about the possible effects of rebounding shrapnel on these glass diagnostic ports. We developed a customized version of the Persistence of Vision{trademark} Ray-Tracer (POV-Ray{trademark}) version 3.02 code for the Macintosh TM Operating System (MacOS{trademark}). POV-Ray creates three- dimensional, very high quality (photo-realistic) images with realistic reflections, shading, textures, perspective, and other effects using a rendering technique called ray-tracing. It reads a text file that describes the objects and lighting in a scene and generates an image of that scene from the viewpoint of a camera, also …
Date: May 22, 1998
Creator: Price, D. E.
Object Type: Article
System: The UNT Digital Library
Acceptance test report for the Tank 241-C-106 in-tank imaging system (open access)

Acceptance test report for the Tank 241-C-106 in-tank imaging system

This document presents the results of Acceptance Testing of the 241-C-106 in-tank video camera imaging system. The purpose of this imaging system is to monitor the Project W-320 sluicing of Tank 241-C-106. The objective of acceptance testing of the 241-C-106 video camera system was to verify that all equipment and components function in accordance with procurement specification requirements and original equipment manufacturer`s (OEM) specifications. This document reports the results of the testing.
Date: May 22, 1998
Creator: Pedersen, L.T.
Object Type: Report
System: The UNT Digital Library
Basic planning and work performance of Hanford Site environmental management activities (open access)

Basic planning and work performance of Hanford Site environmental management activities

This document provides an overview of the basic planning and work of the Department of Energy Richland Operations Office (DOE-RL). It defines key terms, concepts, and processes used in Hanford`s Environmental Management (EM) activities. It is not intended to provide complete details on the topics discussed. It does, however, provide a roadmap of the overall process so that opportunities for tribal, regulator, and public involvement can be clearly identified. Many documents are referenced in this plan. Each is described in some detail in Section 5, and cross-references to that section are provided throughout the discussion in Sections 1 through 4.
Date: May 22, 1997
Creator: Piper, L.L.
Object Type: Report
System: The UNT Digital Library
Quality assurance program plan for SNF characterization support project (open access)

Quality assurance program plan for SNF characterization support project

This Quality Assurance Program Plan (QAPP) provides information on how the Quality Assurance Program is implemented for the Spent Nuclear Fuel Characterization Support Project. This QAPP has been developed specifically for the Spent Nuclear Fuel Characterization Support Project, per Letter of Instruction (LOI) from Duke Engineering and Services Company, letter No. DESH-9655870, dated Nov. 22, 1996. It applies to those items and tasks which affect the completion of activities identified in the work breakdown structure of the Project Management Plan (PMP) and LOI. These activities include installation of sectioning equipment and furnace, surface and subsurface examinations, sectioning for metallography, and element drying and conditioning testing, as well as project related operations within the 327 facility as it relates to the specific activities of this project. General facility activities are covered in other appropriate QA-PPS. In addition, this QAPP supports the related quality assurance activities addressed in CM-2-14, Hazardous Material Packaging and Shipping,1261 and HSRCM-1, Hanford Site Radiological Control Manual. The 327 Building is currently transitioning from being a Pacific Northwest National Laboratory (PNNL) managed facility to a Babcock and Wilcox Hanford Company (BVMC) managed facility. During this transition process existing procedures and documents will be utilized until replaced by BVMC …
Date: May 22, 1997
Creator: Tanke, J.M.
Object Type: Report
System: The UNT Digital Library
Quality assurance program plan for cesium legacy project (open access)

Quality assurance program plan for cesium legacy project

This Quality Assurance Program Plan (QAPP) provides information on how the Quality Assurance Program is implemented for the Cesium Legacy Project. It applies to those items and tasks which affect the completion of activities identified in the work breakdown structure of the Project Management Plan (PMP). These activities include all aspects of cask transportation, project related operations within the 324 Building, and waste management as it relates to the specific activities of this project. General facility activities (i.e. 324 Building Operations, Central Waste Complex Operations, etc.) are covered in other appropriate QAPPs. The 324 Building is currently transitioning from being a Pacific Northwest National Laboratory (PNNL) managed facility to a B and W Hanford Company (BWHC) managed facility. During this transition process existing PNNL procedures and documents will be utilized until replaced by BWHC procedures and documents.
Date: May 22, 1997
Creator: Tanke, J.M.
Object Type: Report
System: The UNT Digital Library
Efficient production of 2--10 keV x-rays by laser heated ``underdense radiators`` (open access)

Efficient production of 2--10 keV x-rays by laser heated ``underdense radiators``

The next generation of high power lasers offers the prospect of creating multi-kilovolt x-rays with {gt}10% efficiency. Such efficiencies are achieved with ``underdense radiators``, a non- traditional source of laser generated x-rays. Applications of these sources with the proposed National Ignition Facility (NIF) include volume preheating of experiments; bright, multi-keV backlighting; pumps for fluorescent imaging of capsule dopants and Doppler velocimetry; uniform irradiation of large test objects. This paper presents two-dimensional numerical simulations for these high power lasers with unprecedented efficiency.
Date: May 22, 1996
Creator: Suter, L. J.; Kauffman, R. L.; Maxon, M. S. & Davis, J. F.
Object Type: Article
System: The UNT Digital Library