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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
[Aerial View of Bishop Flores Park and Surrounding Area]
Photograph of Bishop Flores Park and its surrounding area located in Dallas, Texas. The park is located at the bottom of the picture just above a railroad. Apartment buildings are visible to its left, and an area covered in dense trees is visible above. Tallyho Lane runs along the park's right side.
Date:
March 22, 1997
Creator:
Loftin, Reginald G.
Object Type:
Photograph
System:
The Portal to Texas History
[Aerial View of Cole Park and Surrounding Area]
Photograph of Cole Park and its surrounding area in Dallas, Texas. The park, which contains a baseball park and tennis courts, sits to the right of Cole Avenue, below Elizabeth Street, and to the left of McKinney Avenue. It is surrounded by other similarly shaped, rectangular subdivisions containing buildings of varying sizes.
Date:
March 22, 1997
Creator:
Loftin, Reginald G.
Object Type:
Photograph
System:
The Portal to Texas History
[Aerial View of Crockett Park and Surrounding Area]
Photograph of Crockett Park and its surrounding area in Dallas, Texas. The park, located near the lower center of the picture, sits above the intersection of Alcalde Street and and Victor Street and below N Carroll Avenue. It is surrounded by other rectangular subdivisions containing houses and buildings of varying sizes. Across N Carroll Avenue, Buckner Park and Ignacio Zaragoza Elementary School are visible.
Date:
March 22, 1997
Creator:
Loftin, Reginald G.
Object Type:
Photograph
System:
The Portal to Texas History
[Aerial View of North Arcadia Park and Surrounding Area]
Photograph of North Arcadia Park and its surrounding area located in Dallas, Texas. A section of mostly empty land, containing a parking lot and what appears to be basketball courts and a playground, occupies the center and right side of the picture. A residential area is visible to the left and bottom of this land.
Date:
March 22, 1997
Creator:
Loftin, Reginald G.
Object Type:
Photograph
System:
The Portal to Texas History
[Aerial View of Old City Park and Surrounding Area]
Photograph of Old City Park and its surrounding area in Dallas, Texas. The park is located near the upper middle of the picture, directly below Interstate 30 and above Gano Street. It is surrounded by subdivisions containing buildings of varying sizes.
Date:
March 22, 1997
Creator:
Loftin, Reginald G.
Object Type:
Photograph
System:
The Portal to Texas History
The Albany News (Albany, Tex.), Vol. 121, No. 51, Ed. 1 Thursday, May 22, 1997
Weekly newspaper from Albany, Texas that includes local, county, and state news along with extensive advertising.
Date:
May 22, 1997
Creator:
Lucas, Donnie A.
Object Type:
Newspaper
System:
The Portal to Texas History
Altus Times (Altus, Okla.), Vol. 96, No. 268, Ed. 1 Wednesday, January 22, 1997
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
January 22, 1997
Creator:
Cole, Carol
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 97, No. 34, Ed. 1 Tuesday, April 22, 1997
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
April 22, 1997
Creator:
Cole, Carol
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 97, No. 58, Ed. 1 Thursday, May 22, 1997
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
May 22, 1997
Creator:
Cole, Carol
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 97, No. 84, Ed. 1 Sunday, June 22, 1997
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
June 22, 1997
Creator:
Cole, Carol
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 98, No. 109, Ed. 1 Tuesday, July 22, 1997
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
July 22, 1997
Creator:
Cole, Carol
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 98, No. 133, Ed. 1 Friday, August 22, 1997
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
August 22, 1997
Creator:
Cole, Carol
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 98, No. 159, Ed. 1 Monday, September 22, 1997
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
September 22, 1997
Creator:
Cole, Carol
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 98, No. 186, Ed. 1 Wednesday, October 22, 1997
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
October 22, 1997
Creator:
Cole, Carol
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
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 Advertiser (Alvin, Tex.), Ed. 1 Wednesday, January 22, 1997
Weekly newspaper from Alvin, Texas that includes local, state, and national news along with advertising.
Date:
January 22, 1997
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Alvin Advertiser (Alvin, Tex.), Ed. 1 Wednesday, October 22, 1997
Weekly newspaper from Alvin, Texas that includes local, state, and national news along with advertising.
Date:
October 22, 1997
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Alvin Sun-Advertiser (Alvin, Tex.), Vol. 106, No. 91, Ed. 1 Sunday, June 22, 1997
Weekly newspaper from Alvin, Texas that includes local, state, and national news along with advertising.
Date:
June 22, 1997
Creator:
Schwind, Jim & Dodson, Doug
Object Type:
Newspaper
System:
The Portal to Texas History
The Alvin Sun (Alvin, Tex.), Vol. 107, No. 13, Ed. 1 Monday, September 22, 1997
Weekly newspaper from Alvin, Texas that includes local, state, and national news along with advertising.
Date:
September 22, 1997
Creator:
Schwind, Jim & Dodson, Doug
Object Type:
Newspaper
System:
The Portal to Texas 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
Archer County News (Archer City, Tex.), No. 21, Ed. 1 Thursday, May 22, 1997
Weekly newspaper from Archer City, Texas that includes local, state, and national news along with advertising.
Date:
May 22, 1997
Creator:
Lobpries, F. Mike
Object Type:
Newspaper
System:
The Portal to Texas History
Attrition Resistant Iron-Based Fischer-Tropsch Catalysts.
The Fischer-Tropsch (F-T) reaction provides a way of converting coal-derived synthesis gas (CO and H{sub 2}) to liquid fuels. Since the reaction is highly exothermic, one of the major problems in control of the reaction is heat removal. Recent work has shown that the use of slurry bubble column reactors (SBCRs) can largely solve this problem. Iron-based (Fe) catalysts are preferred catalysts for F-T when using low CO/H{sub 2} ratio synthesis gases derived from modern coal gasifiers. This is because in addition to reasonable F-T activity, the F-T catalysts also possess high water gas shift (WGS) activity. However, a serious problem with the use of Fe catalysts in a SBCR is their tendency to undergo attrition. This can cause fouling/plugging of downstream filters and equipment, making the separation of catalyst from the oil/wax product very difficult if not impossible, and results in a steady loss of catalyst from the reactor. The objectives of this research are to develop a better understanding of the parameters affecting attrition resistance of Fe F-T catalysts suitable for use in SBCRs and to incorporate this understanding into the design of novel Fe catalysts having superior attrition resistance. Catalyst preparations will be based on the use …
Date:
September 22, 1997
Creator:
Jothimurugesan, K.; Goodwin, J. S.; Spivey, J. J. & Gangwal, S. K.
Object Type:
Report
System:
The UNT Digital Library
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