Modeling of Tritium Annual Flux from Concrete Rubble Buried in the Slit Trenches at the Savannah River Site

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Some of the concrete rubble generated from the demolition and destruction of some facilities at the U.S. Department of Energy Savannah River Site contains tritium. The tritium-bearing rubble will be disposed in the E-Area slit trenches. In the past, it was assumed for Performance Assessment (risk) modeling that tritium leached from concrete as if the tritium existed entirely on the concrete surfaces. Although conservative (i.e., overestimates risk associated with the groundwater pathway), this assumption does not account for the slow diffusion of tritium from the inside to the outside of the concrete rubble. The objective of this modeling study was ... continued below

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HANG, THONG September 28, 2004.

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Some of the concrete rubble generated from the demolition and destruction of some facilities at the U.S. Department of Energy Savannah River Site contains tritium. The tritium-bearing rubble will be disposed in the E-Area slit trenches. In the past, it was assumed for Performance Assessment (risk) modeling that tritium leached from concrete as if the tritium existed entirely on the concrete surfaces. Although conservative (i.e., overestimates risk associated with the groundwater pathway), this assumption does not account for the slow diffusion of tritium from the inside to the outside of the concrete rubble. The objective of this modeling study was to include the diffusion process in tritium annual flux calculations for use in future Special Analyses or Performance Assessments involving the concrete rubble. This paper discusses the general modeling approach and presents the study results.

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  • SCS Spring Simulation MulteConference, San Diego, CA (US), 04/02/2005--04/08/2005

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  • Report No.: WSRC-MS-2004-00689
  • Grant Number: AC09-96SR18500
  • Office of Scientific & Technical Information Report Number: 833861
  • Archival Resource Key: ark:/67531/metadc787164

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • September 28, 2004

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  • Dec. 3, 2015, 9:30 a.m.

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  • May 5, 2016, 2:11 p.m.

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HANG, THONG. Modeling of Tritium Annual Flux from Concrete Rubble Buried in the Slit Trenches at the Savannah River Site, article, September 28, 2004; South Carolina. (digital.library.unt.edu/ark:/67531/metadc787164/: accessed December 11, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.