The Sort on Radioactive Waste Type model: A method to sort single-shell tanks into characteristic groups

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The Sort on Radioactive Waste Type (SORWT) model presents a method to categorize Hanford Site single-shell tanks (SSTs) into groups of tank expected to exhibit similar chemical and physical characteristics based on their major waste types and processing histories. This model has identified 29 different waste-type groups encompassing 135 of the 149 SSTs and 93% of the total waste volume in SSTs. The remaining 14 SSTs and associated wastes could not be grouped according to the established criteria and were placed in an ungrouped category. This letter report will detail the assumptions and methodologies used to develop the SORWT model … continued below

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33 p.

Creation Information

Hill, J. G. & Simpson, B. C. April 1, 1994.

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  • Hill, J. G. Pacific Northwest Lab., Richland, WA (United States)
  • Simpson, B. C. Westinghouse Hanford Co., Richland, WA (United States)

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  • Pacific Northwest Laboratory
    Publisher Info: Pacific Northwest Lab., Richland, WA (United States)
    Place of Publication: Richland, Washington

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The Sort on Radioactive Waste Type (SORWT) model presents a method to categorize Hanford Site single-shell tanks (SSTs) into groups of tank expected to exhibit similar chemical and physical characteristics based on their major waste types and processing histories. This model has identified 29 different waste-type groups encompassing 135 of the 149 SSTs and 93% of the total waste volume in SSTs. The remaining 14 SSTs and associated wastes could not be grouped according to the established criteria and were placed in an ungrouped category. This letter report will detail the assumptions and methodologies used to develop the SORWT model and present the grouping results. In the near future, the validity of the predicted groups will be statistically tested using analysis of variance of characterization data obtained from recent (post-1989) core sampling and analysis activities. In addition, the SORWT model will be used to project the nominal waste characteristics of entire waste type groups that have some recent characterization data available. These subsequent activities will be documented along with these initial results in a comprehensive, formal PNL report cleared for public release by September 1994.

Physical Description

33 p.

Notes

INIS; OSTI as DE94013958; Paper copy available at OSTI: phone, 865-576-8401, or email, reports@adonis.osti.gov

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  • Other Information: PBD: Apr 1994

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  • April 1, 1994

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  • Nov. 28, 2018, 2:33 p.m.

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  • Jan. 2, 2019, 5:42 p.m.

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Hill, J. G. & Simpson, B. C. The Sort on Radioactive Waste Type model: A method to sort single-shell tanks into characteristic groups, report, April 1, 1994; Richland, Washington. (https://digital.library.unt.edu/ark:/67531/metadc1390245/: accessed May 31, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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