Actions for E-Area Low-Level Waste Facility Cover Overhang Analysis [electronic resource].

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E-Area Low-Level Waste Facility Cover Overhang Analysis [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy, 2016.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy
Physical Description
28 pages : digital, PDF file
Additional Creators
United States. Department of Energy. Savannah River Site, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
PORFLOW related analyses were performed with a focus on Slit and Engineered Trenches to evaluate the minimum required cover overhang size that would prevent any adverse impact on the ELLWF overall performance. Cover overhang is defined as the lateral distance that a low-infiltration cover extends beyond the edge of the trench unit in any direction. Analyses were carried out for H-3 (short half-life), I-129 (very long half-life), and Sr-90 (moderate half-life with intermediate Kd) at different overhang sizes (5ft, 10ft, 20ft, 50ft, and infinite), cover timing (0yr, 10yr, 20yr, and 30yr), and scenarios (Intact and a limited Dynamic Compaction Case). H-3, I-129 and Sr-90 are representative of nuclides that typically drive the sum-of-fractions for a trench disposal unit.
Report Numbers
E 1.99:srnl-sti--2016-00251
srnl-sti--2016-00251
Subject(s)
Other Subject(s)
Note
Published through SciTech Connect.
05/18/2016.
"srnl-sti--2016-00251"
T. Hang; G. P. Flach.
Funding Information
DE-AC09-08SR22470
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