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Stabilization of in-tank residuals and external-tank soil contamination: FY 1997 interim report

By D.L. Becker

Abstract

This interim report evaluates various ways to stabilize decommissioned waste tanks and contaminated soils at the AX Tank Farm as part of a preliminary evaluation of end-state options for the Hanford tanks. Five technical areas were considered: (1) emplacement of smart grouts and/or other materials, (2) injection of chemical-getters into contaminated soils surrounding tanks (soil mixing), (3) emplacement of grout barriers under and around the tanks, (4) the use of engineered barriers over the tanks, and (5) the explicit recognition that natural attenuation processes do occur. Research topics are identified in support of key areas of technical uncertainty, in each of the five technical areas. Detailed cost/benefit analyses of the recommended technologies are not provided in this evaluation, performed by Sandia National Laboratories, Albuquerque, New Mexico

Topics: Radioactive Waste Storage, Stabilization, Adsorbents, Remedial Action, 05 Nuclear Fuels, Containment Systems, Storage Facilities, Soils, Comparative Evaluations, Grouting, Hanford Reservation, Biodegradation
Publisher: Fluor Daniel Hanford, Inc.
Year: 1997
DOI identifier: 10.2172/345058
OAI identifier:
Provided by: UNT Digital Library
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