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

Abstract

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.

Authors:
Publication Date:
Research Org.:
Savannah River Site (SRS), Aiken, SC (United States)
Sponsoring Org.:
US Department of Energy (US)
OSTI Identifier:
833861
Report Number(s):
WSRC-MS-2004-00689
TRN: US0406821
DOE Contract Number:  
AC09-96SR18500
Resource Type:
Conference
Resource Relation:
Conference: SCS Spring Simulation MulteConference, San Diego, CA (US), 04/02/2005--04/08/2005; Other Information: PBD: 28 Sep 2004
Country of Publication:
United States
Language:
English
Subject:
12 MANAGEMENT OF RADIOACTIVE WASTES, AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES; CONCRETES; DEMOLITION; DIFFUSION; PERFORMANCE; SAVANNAH RIVER PLANT; SIMULATION; TRITIUM; ENVIRONMENTAL SCIENCE; CONTAMINANT TRANSPORT; RADIOACTIVE WASTE; RADIONUCLIDES

Citation Formats

HANG, THONG. Modeling of Tritium Annual Flux from Concrete Rubble Buried in the Slit Trenches at the Savannah River Site. United States: N. p., 2004. Web.
HANG, THONG. Modeling of Tritium Annual Flux from Concrete Rubble Buried in the Slit Trenches at the Savannah River Site. United States.
HANG, THONG. Tue . "Modeling of Tritium Annual Flux from Concrete Rubble Buried in the Slit Trenches at the Savannah River Site". United States. https://www.osti.gov/servlets/purl/833861.
@article{osti_833861,
title = {Modeling of Tritium Annual Flux from Concrete Rubble Buried in the Slit Trenches at the Savannah River Site},
author = {HANG, THONG},
abstractNote = {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.},
doi = {},
url = {https://www.osti.gov/biblio/833861}, journal = {},
number = ,
volume = ,
place = {United States},
year = {2004},
month = {9}
}

Conference:
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