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Data Reconcilation Study Of Tank 241 An 105 At The Hanford Site
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Book Synopsis Data Reconcilation Study of Tank 241-AN-105 at the Hanford Site by :
Download or read book Data Reconcilation Study of Tank 241-AN-105 at the Hanford Site written by and published by . This book was released on 1998 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Project Hanford Management Contractor gave the Los Alamos National Laboratory Nuclear Systems Design and Analysis Group (TSA-10) the task of performing data reconciliation studies on flammable-gas watchlist tanks at the Hanford Site. This task is being performed in support of the flammable-gas programs at the Hanford Site and for closure of the flammable-gas unreviewed safety question. In our data reconciliation studies, we examine all available data from a global point of view. Our goal is to find an explanation, or conceptual model, of the tank behavior that is consistent with all available data. Our primary tool in this study of Tank 241-AN-105 is the maximum likelihood method of data reconciliation, which we have applied successfully to other tanks in the past. This method helps us (1) determine whether a model is consistent with the data, and (2) obtain quantitative estimates that are consistent with the data. A release of a flammable quantity of hydrogen in Tank 241-AN-105 is possible but unlikely at the current time. Any changes to the waste that could cause large releases would be accompanied by a measurable increase in the surface level of the waste. We also theorize that a significant increase in the waste temperature may signal a qualitative change in the behavior of the waste and an increase in the flammability hazard.
Book Synopsis Retrieval and Pipeline Transfer Assessment of Hanford Tank 241-AN-105 Waste by :
Download or read book Retrieval and Pipeline Transfer Assessment of Hanford Tank 241-AN-105 Waste written by and published by . This book was released on 2003 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Hanford Tank 241-C-106 written by and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This report was revised in May 2007 to correct values in Section 3.4.1.7, second paragraph, last sentence; 90Sr values in Tables 3.22 and 3.32; and 99Tc values Table 4.3 and in Chapter 5. In addition, the tables in Appendix F were updated to reflect corrections to the 90Sr values. The rest of the text remains unchanged from the original report issued in May 2005. CH2M HILL is producing risk/performance assessments to support the closure of single-shell tanks at the DOE's Hanford Site. As part of this effort, staff at PNNL were asked to develop release models for contam¬inants of concern that are present in residual sludge remaining in tank 241-C-106 (C-106) after final retrieval of waste from the tank. This report provides the information developed by PNNL.
Book Synopsis Tank 241-C-106 Sampling Data Requirements Developed Through the Data Quality Objectives (DQO) Process by :
Download or read book Tank 241-C-106 Sampling Data Requirements Developed Through the Data Quality Objectives (DQO) Process written by and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The rate of heat generation for tank 241-C-106 at the Hanford Site is estimated at more then 100,000 Btu/h. The heat is generated primarily from the radioactive decay of [sup 90]Sr waste that was inadvertently transferred into the tank in the late 1960s. If proper tank cooling is not maintained for this tank, heat-induced structural damage to the tank's concrete shell could result in the release of nuclear waste to the environment. Because of high-heat concerns in January 1991, tank 241-C-106 was designated as a Watch List tank and deemed as a Priority 1 safety issue. Waste Tank Safety Program (WTSP) is responsible for the resolution of this safety issue. Although forced cooling is effective for short term, the long-term resolution for tank cooling is waste retrieval. Single-shell Tank Retrieval Project (Retrieval) is responsible for the safe retrieval and transfer of radioactive waste from tank 241-C-106 to a selected double-shell tank. This data quality objective (DQO) study is an effort to determine engineering and design data needs for WTSP and assist Retrieval in designing contingency action retrieval systems. The 7-step DQO process is a tool developed by the Environmental Protection Agency with a goal of identifying needs and reducing costs. This report discusses the results of two DQO efforts for WTSP and Retrieval. The key data needs to support WTSP are thermal conductivity, permeability, and heat load profile. For the Retrieval support, there are nine and three data needs identified, respectively, for retrieval engineering system design and HVAC system design. The updated schedule to drill two core samples using rotary mode is set for March 1994. The analysis of the sample is expected to be completed by September 1994.
Book Synopsis Engineering Study of the Criticality Issues Associated with Hanford Tank 241-Z-361 by :
Download or read book Engineering Study of the Criticality Issues Associated with Hanford Tank 241-Z-361 written by and published by . This book was released on 1997 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Tank 241-AN-105, Cores 152 and 153 Analytical Results for the Final Report by :
Download or read book Tank 241-AN-105, Cores 152 and 153 Analytical Results for the Final Report written by and published by . This book was released on 1997 with total page 2503 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hanford Tank 241-C-106 by : William J. Deutsch
Download or read book Hanford Tank 241-C-106 written by William J. Deutsch and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Tank 241-BY-105, Cores 246, 246R, 250, 251 and 252 Analytical Results for the Final Report by :
Download or read book Tank 241-BY-105, Cores 246, 246R, 250, 251 and 252 Analytical Results for the Final Report written by and published by . This book was released on 1999 with total page 5299 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hanford Tanks 241-C-203 and 241 C 204 by :
Download or read book Hanford Tanks 241-C-203 and 241 C 204 written by and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This report was revised in May 2007 to correct 90Sr values in Chapter 3. The changes were made on page 3.9, paragraph two and Table 3.10; page 3.16, last paragraph on the page; and Tables 3.21 and 3.31. The rest of the text remains unchanged from the original report issued in October 2004. This report describes the development of release models for key contaminants that are present in residual sludge remaining after closure of Hanford Tanks 241-C-203 (C-203) and 241-C-204 (C-204). The release models were developed from data generated by laboratory characterization and testing of samples from these two tanks. Key results from this work are (1) future releases from the tanks of the primary contaminants of concern (99Tc and 238U) can be represented by relatively simple solubility relationships between infiltrating water and solid phases containing the contaminants; and (2) high percentages of technetium-99 in the sludges (20 wt% in C-203 and 75 wt% in C-204) are not readily water leachable, and, in fact, are very recalcitrant. This is similar to results found in related studies of sludges from Tank AY-102. These release models are being developed to support the tank closure risk assessments performed by CH2M HILL Hanford Group, Inc., for the U.S. Department of Energy.
Book Synopsis Hanford Tank 241-S-112 Residual Waste Composition and Leach Test Data by : Kirk J. Cantrell
Download or read book Hanford Tank 241-S-112 Residual Waste Composition and Leach Test Data written by Kirk J. Cantrell and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hanford Tanks 241-C-203 and 241-C-204 by : William J. Deutsch
Download or read book Hanford Tanks 241-C-203 and 241-C-204 written by William J. Deutsch and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Tank 241-AY-102 Leak Assessment Supporting Documentation by :
Download or read book Tank 241-AY-102 Leak Assessment Supporting Documentation written by and published by . This book was released on 2012 with total page 553 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report contains reference materials cited in RPP-ASMT -53793, Tank 241-AY-102 Leak Assessment Report, that were obtained from the National Archives Federal Records Repository in Seattle, Washington, or from other sources including the Hanford Site's Integrated Data Management System database (IDMS).
Book Synopsis Hanford Tank 241-C-103 Residual Waste Contaminant Release Models and Supporting Data by :
Download or read book Hanford Tank 241-C-103 Residual Waste Contaminant Release Models and Supporting Data written by and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This report tabulates data generated by laboratory characterization and testing of three samples collected from tank C-103. The data presented here will form the basis for a release model that will be developed for tank C-103. These release models are being developed to support the tank risk assessments performed by CH2M HILL Hanford Group, Inc. for DOE.
Book Synopsis Hanford Tanks 241-C-202 and 241-C-203 Residual Waste Contaminant Release Models and Supporting Data by :
Download or read book Hanford Tanks 241-C-202 and 241-C-203 Residual Waste Contaminant Release Models and Supporting Data written by and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: As directed by Congress, the U.S. Department of Energy (DOE) established the Office of River Protection in 1998 to manage DOE's largest, most complex environmental cleanup project - retrieval of radioactive waste from Hanford tanks for treatment and eventual disposal. Sixty percent by volume of the nation's high-level radioactive waste is stored at Hanford in aging deteriorating tanks. If not cleaned up, this waste is a threat to the Columbia River and the Pacific Northwest. CH2M Hill Hanford Group, Inc., is the Office of River Protection's prime contractor responsible for the storage, retrieval, and disposal of Hanford's tank waste. As part of this effort, CH2M HILL Hanford Group, Inc. contracted with Pacific Northwest National Laboratory (PNNL) to develop release models for key contaminants that are present in residual sludge remaining after closure of Hanford Tanks 241-C-203 (C-203) and 241-C-204 (C-204). The release models were developed from data generated by laboratory characterization and testing of samples from these two tanks. These release models are being developed to support the tank closure risk assessments performed by CH2M HILL Hanford Group, Inc., for DOE.
Book Synopsis Final Report for Tank 241-U-102, Cores 143 and 144 by :
Download or read book Final Report for Tank 241-U-102, Cores 143 and 144 written by and published by . This book was released on 1996 with total page 2136 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Tank 241-A-105 Leak Assessment by : Westinghouse Hanford Company
Download or read book Tank 241-A-105 Leak Assessment written by Westinghouse Hanford Company and published by . This book was released on 1991 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Final Report for Tank 241-BY-106, Cores 64, 65, and 121 by :
Download or read book Final Report for Tank 241-BY-106, Cores 64, 65, and 121 written by and published by . This book was released on 1996 with total page 3505 pages. Available in PDF, EPUB and Kindle. Book excerpt: Final Report for Tank 241-BY-106; Rotary Mode Cores 64 and 65.
