Exclusion of foreign materials from DWPF canistered waste forms: Compliance activities for the WAPS

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The Defense Waste Processing Facility (DWPF) at Savannah River Site (SRS) will produce canisters of high-level radioactive waste glass, which will be acceptable for disposal in a Federal Repository. The repository acceptance requirements, in the Waste Acceptance Preliminary Specifications (WAPS), prohibit the presence of foreign materials which could compromise waste disposal. In this paper, the DWPF strategy for complying with the WAPS is presented along with results of experiments on prototypically filled, simulated canistered waste forms. In particular, the gas occupying the free volume region of the canisters was characterized by mass spectrometry. The internal gas pressure and dew point ... continued below

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Pages: (10 p)

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Harbour, J.R. & Plodinec, M.J. January 1, 1990.

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Description

The Defense Waste Processing Facility (DWPF) at Savannah River Site (SRS) will produce canisters of high-level radioactive waste glass, which will be acceptable for disposal in a Federal Repository. The repository acceptance requirements, in the Waste Acceptance Preliminary Specifications (WAPS), prohibit the presence of foreign materials which could compromise waste disposal. In this paper, the DWPF strategy for complying with the WAPS is presented along with results of experiments on prototypically filled, simulated canistered waste forms. In particular, the gas occupying the free volume region of the canisters was characterized by mass spectrometry. The internal gas pressure and dew point of the gas within the free volume were also determined. Thermogravimetric analyses of simulated waste glass samples removed from the canistered waste forms were carried out to determine if foreign materials are released when the temperature of the glass reaches the glass transition temperature. The results of calculations on the generation of radiogenic gases over time are presented. Finally, administrative controls and physical barriers used to exclude foreign materials from the canistered waste forms during production are discussed.

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Pages: (10 p)

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OSTI; NTIS; INIS; GPO Dep.

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  • Waste management '91, Tucson, AZ (United States), 24 Feb - 1 Apr 1991

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  • Other: DE92011176
  • Report No.: WSRC-MS-90-254
  • Report No.: CONF-910270--75
  • Grant Number: AC09-89SR18035
  • Office of Scientific & Technical Information Report Number: 5719391
  • Archival Resource Key: ark:/67531/metadc1092461

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Office of Scientific & Technical Information Technical Reports

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  • January 1, 1990

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  • Feb. 10, 2018, 10:06 p.m.

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  • May 15, 2018, 4:03 p.m.

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Harbour, J.R. & Plodinec, M.J. Exclusion of foreign materials from DWPF canistered waste forms: Compliance activities for the WAPS, article, January 1, 1990; Aiken, South Carolina. (digital.library.unt.edu/ark:/67531/metadc1092461/: accessed October 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.