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The action characterization matrix: A link between HERA (Human Events Reference for ATHEANA) and ATHEANA (a technique for human error analysis)
The Technique for Human Error Analysis (ATHEANA) is a newly developed human reliability analysis (HRA) methodology that aims to facilitate better representation and integration of human performance into probabilistic risk assessment (PRA) modeling and quantification by analyzing risk-significant operating experience in the context of existing behavior science models. The fundamental premise of ATHEANA is that error-forcing contexts (EFCs), which refer to combinations of equipment/material conditions and performance shaping factors (PSFs), set up or create the conditions under which unsafe actions (UAs) can occur. ATHEANA is being developed in the context of nuclear power plant (NPP) PRAs, and much of the language used to describe the method and provide examples of its application are specific to that industry. Because ATHEANA relies heavily on the analysis of operational events that have already occurred as a mechanism for generating creative thinking about possible EFCs, a database, called the Human Events Reference for ATHEANA (HERA), has been developed to support the methodology. Los Alamos National Laboratory`s (LANL) Human Factors Group has recently joined the ATHEANA project team; LANL is responsible for further developing the database structure and for analyzing additional exemplar operational events for entry into the database. The Action Characterization Matrix (ACM) is …
Date:
December 22, 1997
Creator:
Hahn, H.A.
Object Type:
Report
System:
The UNT Digital Library
Altus Times (Altus, Okla.), Vol. 98, No. 236, Ed. 1 Monday, December 22, 1997
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
December 22, 1997
Creator:
Cole, Carol
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Alvin Sun (Alvin, Tex.), Vol. 107, No. 39, Ed. 1 Monday, December 22, 1997
Weekly newspaper from Alvin, Texas that includes local, state, and national news along with advertising.
Date:
December 22, 1997
Creator:
Schwind, Jim & Dodson, Doug
Object Type:
Newspaper
System:
The Portal to Texas History
AX tank farm waste inventory study for the Hanford Tanks Initiative (HTI) project
In May of 1996, the US Department of Energy implemented a four-year demonstration project identified as the Hanford Tanks Initiative (HTI). The HTI mission is to minimize technical uncertainties and programmatic risks by conducting demonstrations to characterize and remove tank waste using technologies and methods that will be needed in the future to carry out tank waste remediation and tank farm closure at the Hanford Site. Included in the HTI scope is the development of retrieval performance evaluation criteria supporting readiness to close single-shell tanks in the future. A path forward that includes evaluation of closure basis alternatives has been outlined to support the development of retrieval performance evaluation criteria for the AX Farm, and eventual preparation of the SEIS for AX Farm closure. This report documents the results of the Task 4, Waste Inventory study performed to establish the best-basis inventory of waste contaminants for the AX Farm, provides a means of estimating future soil inventories, and provides data for estimating the nature and extent of contamination (radionuclide and chemical) resulting from residual tank waste subsequent to retrieval. Included in the report are a best-basis estimate of the existing radionuclide and chemical inventory in the AX Farm Tanks, an …
Date:
December 22, 1997
Creator:
Becker, D. L.
Object Type:
Report
System:
The UNT Digital Library
Basin Analysis of the Mississippi Interior Salt Basin and Petroleum System Modeling of the Jurassic Smackover Formation, Eastern Gulf Coastal Plain
This report provides a comprehensive analysis of the Mississippi interior salt basin and to transfer the results effectively.
Date:
December 22, 1997
Creator:
Mancini, Ernest A.
Object Type:
Report
System:
The UNT Digital Library
Basin Analysis of the Mississippi Interior Salt Basin and Petroleum System Modeling of the Jurassic Smackover Formation, Eastern Gulf Coastal Plain
The objective is to provide a comprehensive geologic analysis of the Mississippi Interior Salt Basin.
Date:
December 22, 1997
Creator:
Mancini, Ernest A.
Object Type:
Report
System:
The UNT Digital Library
The Baytown Sun (Baytown, Tex.), Vol. 76, No. 44, Ed. 1 Monday, December 22, 1997
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
December 22, 1997
Creator:
Dobbs, Gary
Object Type:
Newspaper
System:
The Portal to Texas History
Chickasha Daily Express (Chickasha, Okla.), Ed. 1 Monday, December 22, 1997
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
December 22, 1997
Creator:
Bush, Kent
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Engineering study of the criticality issues associated with Hanford tank 241-Z-361
Tank 241-Z-361 is associated with the Plutonium Finishing Plant (PFP). Uncertainty about the contents of the tank have led to the declaration of an Unreviewed Safety Question (USQ) and the preparation of a Justification for Continued Operation (JCO) to address flammable gas and other authorization basis issued. A Criticality Safety Team was assembled to review old data, determine its validity, and reevaluate the tank. It was concluded that the tank has a sufficient margin of safety to allow opening, sampling, and other characterizing activities. The team concluded that a criticality in Tank 241-Z-361 was extremely unlikely.
Date:
December 22, 1997
Creator:
Lipke, E. J.
Object Type:
Report
System:
The UNT Digital Library
Final Report for the Demonstration of Plasma In-situ Vitrification at the 904-65G K-Reactor Seepage Basin
The In-situ Vitrification (ISV) process potentially offers the most stable waste-form for containment of radiologically contaminated soils while minimizing personnel contamination. This is a problem that is extensive, and at the same time unique, to the US Department of Energy`s (DOE) Weapons Complex. An earlier ISV process utilized joule heating of the soil to generate the subsurface molten glass product. However previous test work has indicated that the Savannah river Site soils (SRS) may not be entirely suitable for vitrification by joule heating due to their highly refractory nature. The concept of utilizing a plasma torch for soil remediation by in-situ vitrification has recently been developed, and laboratory test work on a 100 kW unit has indicated a potentially successful application with SRS soils. The Environmental Restoration Division (ERD) of Westinghouse Savannah River Company (WSRC) conducted the first field scale demonstration of this process at the (904-65G) K-Reactor Seepage Basin in October 1996 with the intention of determining the applicability and economics of the process for remediation of a SRS radioactive seepage basin. The demonstration was successful in completing three vitrification runs, including two consecutive runs that fused together adjacent columns of glass to form a continuous monolith. This report …
Date:
December 22, 1997
Creator:
Blundy, R. F. & Zionkowki, P. G.
Object Type:
Report
System:
The UNT Digital Library
[Handwritten Notes and Copy: Tina]
Handwritten notes and a copy of a letter to Tina about interceding on her behalf with Sheila and mentioning that Tina was in the individual's prayers.
Date:
December 22, 1997
Creator:
unknown
Object Type:
Text
System:
The UNT Digital Library
[Letter from Vicki J. Rosenberg to R. William McCarter]
A letter from Vicki J. Rosenberg with the Getty Education Institute for the Arts to R. William McCarter with the North Texas Institute for Educators on the Visual Arts inviting McCarter to attend the leaders meeting of the Transforming Education Through the Arts Challenge Project. The letter includes meeting details and purpose, travel arrangement information, and instructions on how to RSVP to attend.
Date:
December 22, 1997
Creator:
Vicki J. Rosenberg
Object Type:
Letter
System:
The UNT Digital Library
Mapping and inspection of damage and artifacts in large-scale optics
We have developed tools for accurately and economically mapping and inspecting damage and artifacts in the bulk as well as on the surface of meter-sized optics intended for use on large-scale lasers such as Beamlet and NIF. Optics are illuminated by white light through the optic edge or externally at grazing incidence using linear fiber- optics arrays. The mega-pixel camera records a digital map of the entire optic with precise addresses of highlighted artifacts. From these coordinated, artifacts are located and digitally recorded with resolution of less than 5 microns using a long-working-distance microscope. Total internal reflection of edge illumination efficiency couples light into the entire optic to inspect for bulk artifacts, such as bubbles, inclusions, edge-cladding flaws and laser- induced damage as well as surface scratches and pits which propagate into the substrate. Surface contamination such as dust, fingerprints, coating flaws, and cleaning flaws are highlighted by external grazing illumination. The procedures permit accurate recording of the evolution of damage after many laser shots as well as correlation of damage from one optic to the next in a laser chain.
Date:
December 22, 1997
Creator:
Rainer, F.
Object Type:
Article
System:
The UNT Digital Library
[Master's Degree Plan: Marcus Fellows Program, UNT Graduate School]
A meticulously filled Master's Degree Plan submitted by a newly admitted Marcus Fellow to the University of North Texas Graduate School.
Date:
December 22, 1997
Creator:
unknown
Object Type:
Text
System:
The UNT Digital Library
Multiphase treatment of ODTX in HMX spheres
What will be discussed in this report represents a framework upon which multiphase and other real physical effects can be built. Chemical models of increasing complexity are envisioned and this methodology can provide a tool for evaluating new ideas against known experimental data. The recent work to be reported here addresses the multiphase issue of temperature deviation between phases undergoing chemical and heat transport processes. Modeling of the LLNL ODTX experiment will be performed with FLUENT, a commercially available computational fluid dynamics (CFD) code. FLUENT solves flows in 2D or 3D in Cartesian, cylindrical, or general curvilinear coordinates, with steady-state of fully time-dependent analysis. Multiphase flows in which two or more continuous phases are present can be solved with arbitrary volumetric sources of heat, mass, momentum, and chemical species applied through user-defined FORTRAN subroutines. FLUENT models these of phenomena by solving the conservation equations for mass, momentum, energy, phasic volume fraction, and chemical species for each phase using a control volume based finite difference method. The equations are solved using SIMPLE-like algorithms with an iterative line-by-line matrix solver and multigrid acceleration. Before considering the temperature deviation issue and its dependence upon gaseous bubble diameter in a multiphase system, the author …
Date:
December 22, 1997
Creator:
Zerkle, D.K.
Object Type:
Report
System:
The UNT Digital Library
[News Clip: Arena]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
December 22, 1997, 10:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Daycare opens]
B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
December 22, 1997, 5:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: DFW travel]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
December 22, 1997, 6:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Mall Growth]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
December 22, 1997, 6:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Year 2000 Bug]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story. This story aired at 10:00 P.M.
Date:
December 22, 1997
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
PDJ Daily Journal (Perry, Okla.), Vol. 104, No. 254, Ed. 1 Monday, December 22, 1997
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
December 22, 1997
Creator:
Brown, Gloria
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Sapulpa Daily Herald (Sapulpa, Okla.), Vol. 83, No. 85, Ed. 1 Monday, December 22, 1997
Daily newspaper from Sapulpa, Oklahoma that includes local, state, and national news along with advertising.
Date:
December 22, 1997
Creator:
Diehl, Don
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Tank 241-AP-107, grab samples 7AP-97-1, 7AP-97-2 and 7AP-97-3 analytical results for the final report
This document is the final report for tank 241-AP-107 grab samples. Three grab samples were collected from riser 1 on September 11, 1997. Analyses were performed on samples 7AP-97-1, 7AP-97-2 and 7AP-97-3 in accordance with the Compatibility Grab Sampling and Analysis Plan (TSAP) (Sasaki, 1997) and the Data Quality Objectives for Tank Farms Waste Compatibility Program (DQO) (Rev. 1: Fowler, 1995; Rev. 2: Mulkey and Nuier, 1997). The analytical results are presented in the data summary report (Table 1). A notification was made to East Tank Farms Operations concerning low hydroxide in the tank and a hydroxide (caustic) demand analysis was requested. The request for sample analysis (RSA) (Attachment 2) received for AP-107 indicated that the samples were polychlorinated biphenyl (PCB) suspects. Therefore, prior to performing the requested analyses, aliquots were made to perform PCB analysis in accordance with the 222-S Laboratory administrative procedure, LAP-101-100. The results of this analysis indicated that no PCBs were present at 50 ppm and analysis proceeded as non-PCB samples. The results and raw data for the PCB analysis will be included in a revision to this document. The sample breakdown diagrams (Attachment 1) are provided as a cross-reference for relating the tank farm customer …
Date:
December 22, 1997
Creator:
Steen, F. H.
Object Type:
Report
System:
The UNT Digital Library
Technology Status Report of the Applicability of Solid-Liquid Separation Methods to Radioactive Tank Wastes
Solid-Liquid separation of highly radioactive underground storage tank wastes has been examined, and cross-flow filtration has been shown to be viable.
Date:
December 22, 1997
Creator:
McCabe, D. J.
Object Type:
Report
System:
The UNT Digital Library