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242 Matching Results
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Plutonium explosive dispersal modeling using the MACCS2 computer code
The purpose of this paper is to derive the necessary parameters to be used to establish a defensible methodology to perform explosive dispersal modeling of respirable plutonium using Gaussian methods. A particular code, MACCS2, has been chosen for this modeling effort due to its application of sophisticated meteorological statistical sampling in accordance with the philosophy of Nuclear Regulatory Commission (NRC) Regulatory Guide 1.145, ``Atmospheric Dispersion Models for Potential Accident Consequence Assessments at Nuclear Power Plants``. A second advantage supporting the selection of the MACCS2 code for modeling purposes is that meteorological data sets are readily available at most Department of Energy (DOE) and NRC sites. This particular MACCS2 modeling effort focuses on the calculation of respirable doses and not ground deposition. Once the necessary parameters for the MACCS2 modeling are developed and presented, the model is benchmarked against empirical test data from the Double Tracks shot of project Roller Coaster (Shreve 1965) and applied to a hypothetical plutonium explosive dispersal scenario. Further modeling with the MACCS2 code is performed to determine a defensible method of treating the effects of building structure interaction on the respirable fraction distribution as a function of height. These results are related to the Clean Slate …
Date:
November 1, 1998
Creator:
Steele, C.M.; Wald, T.L. & Chanin, D.I.
Object Type:
Report
System:
The UNT Digital Library
New Pellet Injection Schemes on DIII-D
The pellet fueling system on DIII-D has been modified for injection of deuterium pellets from two vertical ports and two inner wall locations on the magnetic high-field side (HFS) of the tokamak. The HFS pellet injection technique was first employed on ASDEX-Upgrade with significant improvements reported in both pellet penetration and fueling efficiency. The new pellet injection schemes on DIII-D required the installation of new guide tubes. These lines are {approx_equal}12.5 m in total length and are made up of complex bends and turns (''roller coaster'' like) to route pellets from the injector to the plasma, including sections inside the torus. The pellet speed at which intact pellets can survive through the curved guide tubes is limited ({approx_equal}200-300 m/s for HFS injection schemes). Thus, one of the three gas guns on the injector was modified to provide pellets in a lower speed regime than the original guns (normal speed range {approx_equal}500 to 1000 m/s). The guide tube installations and gun modifications are described along with the injector operating parameters, and the latest test results are highlighted.
Date:
November 13, 1999
Creator:
Anderson, P. M.; Baylor, L. R.; Combs, S. K.; Foust, C. R.; Jernigan, T. C. & Robinson, J. I.
Object Type:
Article
System:
The UNT Digital Library
The Seminole Sentinel (Seminole, Tex.), Vol. 89, No. 9, Ed. 1 Wednesday, November 22, 1995
Semiweekly newspaper from Seminole, Texas that includes local, state, and national news along with extensive advertising.
Date:
November 22, 1995
Creator:
Dow, M. Gene
Object Type:
Newspaper
System:
The Portal to Texas History
Corrective Action Investigation Plan for Corrective Action Unit 486: Double Tracks RADSAFE Ares, Nellis Air Force Range, Nevada, Rev. 0; DOE/NV--523 UPDATED WITH ROTC No.1 and 2
This CAIP presents a plan to investigate the DTRSA where unregulated disposal of radioactive and possibly hazardous waste occurred during decontamination activities for the Double Tracks test. The purpose of the corrective action investigation described in this CAIP is to: Identify and verify the locations of the decontamination facility and animal burial pit within the DTRSA; Identify the presence and nature of COPCs; Determine the vertical and lateral extent of COPCs; and Provide sufficient information and data to develop and evaluate appropriate corrective actions for the CAS. This CAIP was developed using the U.S. Environmental Protection Agency (EPA) Data Quality Objectives (DQOs) (EPA, 1994d) process to clearly define the goals for collecting environmental data, to determine data uses, and to design a data collection program that will satisfy these uses. A DQO scoping meeting was held prior to preparation of this plan; a brief summary of the DQOs is presented in Section 3.4. A more detailed summary of the DQO process and results is included in Appendix A.
Date:
November 16, 1999
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Illustrated Paperboy (Cleveland, Tex.), Vol. 3, No. 35, Ed. 1 Wednesday, November 29, 1995
Weekly newspaper from Cleveland, Texas that includes local, county, and state news along with extensive advertising.
Date:
November 29, 1995
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Oklahoma Daily (Norman, Okla.), Vol. 82, No. 74, Ed. 1 Saturday, November 15, 1997
Student newspaper of the University of Oklahoma in Norman, Oklahoma that includes national, local, and campus news along with advertising.
Date:
November 15, 1997
Creator:
Ratcliffe, Heather
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Advances in technology transfer at Federal Facilities
The Hanford Site, located in the southeast portion of the state of Washington, is a 1450-hectare (560 square miles) reservation that was selected by the US Government in 1942 for production of the world`s first nuclear weapons materials. For more than 40 years, defense production operations at Hanford generated hazardous and radioactive materials and wastes that for the most part remain there today. Environmental restoration of the Hanford Site is the primary mission of the Westinghouse Hanford Company (WHC) and it is also the thrust of the Tri-Party agreement among the US Environmental Protection Agency, the Washington State Department of Ecology and the US Department of Energy. Restoration will require treatment of about 1400 individual locations that are contaminated by chemically hazardous wastes, radioactive wastes, non-hazardous wastes and mixed hazardous and radioactive wastes. These locations include burial sites, storage facilities, obsolete buildings, settling ponds, waste cribs and large and small areas of near-surface and deep soil contamination. Burial trenches contain an estimated 109,000 cubic meters of low-level solid wastes contaminated with hazardous chemicals and radioactive materials. Approximately 450 sites were contaminated by discharge of liquids to the ground and there are about 250 additional areas where waste materials were spilled. …
Date:
November 1, 1994
Creator:
Silva, R. R. Jr.
Object Type:
Article
System:
The UNT Digital Library
1993 Site Environmental Report Tonopah Test Range, Tonopah, Nevada
This report summarizes the environmental surveillance activities conducted by Sandia National Laboratories, the US Environmental Protection Agency, and Reynolds Electrical and Engineering Company for the Tonopah Test Range operated by Sandia National Laboratories. Sandia National Laboratories` responsibility for environmental monitoring results extend to those activities performed by Sandia National Laboratories or under its direction. Results from other environmental monitoring activities are included to provide a measure of completeness in reporting. Other environmental compliance programs such as the National Environmental Policy Act of 1969, environmental permits, and environmental restoration and waste management programs are also included in this report, prepared for the US Department of Energy in compliance with DOE Order 5400.1.
Date:
November 1994
Creator:
Culp, T.; Howard, D. & McClellan, Y.
Object Type:
Report
System:
The UNT Digital Library
Texas Travel Log, November 1996
Newsletter dedicated to traveling in Texas, including information about news, locations, and events of interest to visitors as well as statistics and summaries of travel in the state.
Date:
November 1996
Creator:
Texas. Travel and Information Division.
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Rains County Leader (Emory, Tex.), Vol. 112, No. 25, Ed. 1 Tuesday, November 30, 1999
Weekly newspaper from Emory, Texas that includes local, state, and national news along with advertising.
Date:
November 30, 1999
Creator:
Hill, Earl Clyde, Jr.
Object Type:
Newspaper
System:
The Portal to Texas History
Illustrated Paperboy (Cleveland, Tex.), Vol. 5, No. 34, Ed. 1 Wednesday, November 19, 1997
Weekly newspaper from Cleveland, Texas that includes local, county, and state news along with extensive advertising.
Date:
November 19, 1997
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Interactive fundamental physics. [THE REAL STUFF: The New Expanded Media Physics Course for secondary school students]
THE REAL STUFF is an Expanded Media Physics Course aimed at students still in the formative early years of secondary school. Its consists of a working script for an interactive multimedia study unit in basic concepts of physics. The unit begins with a prologue on the Big Bang that sets the stage, and concludes with a lesson on Newton's first law of motion. The format is interactive, placing the individual student in control of a layered hypermedia'' structure that enables him or her to find a level of detail and difficulty that is comfortable and meaningful. The intent is to make physics relevant, intellectually accessible and fun. On-screen presenters and demonstrators will be females and males of various ages, ethnicities and backgrounds, and will include celebrities and physicists of note. A lean, layered design encourages repeated, cumulative study and makes the material useful for self-directed Teaming even by college students. THE REAL STUFF introduces a new science teaching paradigm, a way to teach science that will engage even students who have declined'' to be interested in science in the past. Increased participation in science by women, African-Americans and Spanish-speaking students is a particular goal.
Date:
November 24, 1992
Creator:
Rubin, E.L.
Object Type:
Report
System:
The UNT Digital Library
Interactive fundamental physics. [Final report], April 15, 1992--November 14, 1992
THE REAL STUFF is an Expanded Media Physics Course aimed at students still in the formative early years of secondary school. Its consists of a working script for an interactive multimedia study unit in basic concepts of physics. The unit begins with a prologue on the Big Bang that sets the stage, and concludes with a lesson on Newton`s first law of motion. The format is interactive, placing the individual student in control of a layered ``hypermedia`` structure that enables him or her to find a level of detail and difficulty that is comfortable and meaningful. The intent is to make physics relevant, intellectually accessible and fun. On-screen presenters and demonstrators will be females and males of various ages, ethnicities and backgrounds, and will include celebrities and physicists of note. A lean, layered design encourages repeated, cumulative study and makes the material useful for self-directed Teaming even by college students. THE REAL STUFF introduces a new science teaching paradigm, a way to teach science that will engage even students who have ``declined`` to be interested in science in the past. Increased participation in science by women, African-Americans and Spanish-speaking students is a particular goal.
Date:
November 24, 1992
Creator:
Rubin, E. L.
Object Type:
Report
System:
The UNT Digital Library
Dallas Voice (Dallas, Tex.), Vol. 7, No. 31, Ed. 1 Friday, November 30, 1990
Weekly newspaper from Dallas, Texas that includes local, state, and national news and advertising of interest to the Lesbian, Gay, Bisexual, and Transgender (LGBT) community.
Date:
November 30, 1990
Creator:
Vercher, Dennis
Object Type:
Newspaper
System:
The UNT Digital Library
The Yellow Jacket (Brownwood, Tex.), Vol. 89, No. 12, Ed. 1, Thursday, November 19, 1998
Weekly student newspaper from Howard Payne University in Brownwood, Texas that includes local, state and campus news along with advertising.
Date:
November 19, 1998
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The North Texas Daily (Denton, Tex.), Vol. 84, No. 44, Ed. 1 Friday, November 12, 1999
Student newspaper from the University of North Texas in Denton, Texas that includes local, state, national, and campus news along with advertising. Formerly The Campus Chat.
Date:
November 12, 1999
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Ingleside Index (Ingleside, Tex.), Vol. 44, No. 43, Ed. 1 Thursday, November 25, 1993
Weekly newspaper from Ingleside, Texas that includes local, state, and national news along with advertising.
Date:
November 25, 1993
Creator:
Cole, Mary
Object Type:
Newspaper
System:
The Portal to Texas History
Corrective action decision document, Second Gas Station, Tonopah test range, Nevada (Corrective Action Unit No. 403)
This Corrective Action Decision Document (CADD) for Second Gas Station (Corrective Action Unit [CAU] No. 403) has been developed for the U.S. Department of Energy`s (DOE) Nevada Environmental Restoration Project to meet the requirements of the Federal Facility Agreement and Consent Order (FFACO) of 1996 as stated in Appendix VI, {open_quotes}Corrective Action Strategy{close_quotes} (FFACO, 1996). The Second Gas Station Corrective Action Site (CAS) No. 03-02-004-0360 is the only CAS in CAU No. 403. The Second Gas Station CAS is located within Area 3 of the Tonopah Test Range (TTR), west of the Main Road at the location of former Underground Storage Tanks (USTs) and their associated fuel dispensary stations. The TTR is approximately 225 kilometers (km) (140 miles [mi]) northwest of Las Vegas, Nevada, by air and approximately 56 km (35 mi) southeast of Tonopah, Nevada, by road. The TTR is bordered on the south, east, and west by the Nellis Air Force Range and on the north by sparsely populated public land administered by the Bureau of Land Management and the U.S. Forest Service. The Second Gas Station CAS was formerly known as the Underground Diesel Tank Site, Sandia Environmental Restoration Site Number 118. The gas station was in …
Date:
November 1, 1997
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Corrective Action Plan for Corrective Action Unit No. 427: Area 3 Septic Waste Systems 2 and 6 Tonopah Test Range, Nevada
This Corrective Action Plan provides the closure methods for Corrective Action Unit 427: Area 3 Septic Waste Systems (SWS) 2 and 6, located at the Tonopah Test Range. SWS 2 consists of Septic Tanks 33-4, 33-5, 33-6, and two associated leachfields. SWS 6 consists of one associated leachfield. The Area 3 SWS 2 and 6 are also known as Corrective Action Sites (CASs) 03-05-002-SW02 and 03-05-002-SW06 respectively. Site investigation activities were completed in February 1998 and are documented in the Corrective Action Decision Document (CADD). The site characterization found septage in Septic Tank 33-5. Septic Tank 33-4 is closed. Septic Tank 33-6 is still active and in line with the Sandia National Laboratories consolidated system. This site was investigated for volatile organic compounds, semivolatile organic compounds, polychlorinated biphenyls, RCRA metals, and total petroleum hydrocarbons. Characterizations of the three leachfields associated with these septic tanks were characterized and not detected above the Preliminary Action Levels. During the characterization, it was determined that Septic Tank 33-5 had not been closed. Therefore, closure activities will consist of removal of the residual septage and closure-in-place. Septic Tank 33-5 will be closed by filling of the emptied tank with clean inert material (sand) and sealing …
Date:
November 1, 1998
Creator:
Nelson, Jerel G.
Object Type:
Report
System:
The UNT Digital Library
Altus Times (Altus, Okla.), Vol. 100, No. 205, Ed. 1 Monday, November 15, 1999
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
November 15, 1999
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Goldthwaite Eagle (Goldthwaite, Tex.), Vol. 101, No. 19, Ed. 1 Thursday, November 17, 1994
Weekly newspaper from Goldthwaite, Texas that includes local, state, and national news along with extensive advertising.
Date:
November 17, 1994
Creator:
Bridges, G. Frank & Bridges, Georgie
Object Type:
Newspaper
System:
The Portal to Texas History
A brief history in time of ion traps and their achievements in science
None
Date:
November 1, 1994
Creator:
Holzscheiter, M. H.
Object Type:
Article
System:
The UNT Digital Library
The Hopkins County Echo (Sulphur Springs, Tex.), Vol. 201, No. 46, Ed. 1 Friday, November 15, 1996
Weekly newspaper from Sulphur Springs, Texas that includes local, state, and national news along with advertising.
Date:
November 15, 1996
Creator:
Keys, Scott & Lamb, Bill
Object Type:
Newspaper
System:
The Portal to Texas History
Altus Times (Altus, Okla.), Vol. 90, No. 203, Ed. 1 Tuesday, November 6, 1990
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
November 6, 1990
Creator:
Lomenick, Rick
Object Type:
Newspaper
System:
The Gateway to Oklahoma History