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Retrieval of Buried Transuranic Waste at Oak Ridge National Laboratory

Conference ·
OSTI ID:21208643
 [1];  [2];  [3]
  1. Visionary Solutions, LLC, Oak Ridge, Tennessee (United States)
  2. Bechtel Jacobs Company LLC, Oak Ridge, Tennessee (United States)
  3. Tetra Tech, Inc. Oak Ridge, Tennessee (United States)
+ Show Author Affiliations
Remote-handled (RIS alpha-contaminated transuranic (TRU) waste was placed into 22 unlined trenches in Solid Waste Storage Area. (SWSA) 5 North at Oak Ridge National Laboratory (ORNL) between 1971 and 1981. The majority of the RH TRU waste is packaged in 204 concrete casks having one of several configurations. In addition, a number of the 22 trenches contain waste packaged in wooden boxes, metal boxes, and metal drums. At least two trenches are documented to contain loose materials placed into the trench with no indication of original packaging, and one trench is documented to contain mixed Resource Conservation and Recovery Act (RCRA) waste and is identified as a RCRA storage unit. Pyrophoric material is also present in at least one trench. This paper describes the progress to date in retrieval of the TRU waste from the trenches at ORNL SWSA 5 North. A number of lessons learned have been incorporated by the project team as work progressed. Extensive flexibility built into the project during the planning and start-up phases have been crucial to adapting to the as-found conditions that have been encountered. Modifications to project documentation and equipment have also been implemented to refine the retrieval process. The paper documents the details of what has worked well during operations, including operational events and unexpected conditions. (authors)
Research Organization:
WM Symposia, Inc., PO Box 13023, Tucson, AZ, 85732-3023 (United States)
OSTI ID:
21208643
Report Number(s):
INIS-US--09-WM-06150
Country of Publication:
United States
Language:
English

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Related Subjects

12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
ALPHA-BEARING WASTES
CASKS
CONCRETES
ORNL
RADIOACTIVE WASTE STORAGE
SOLID WASTES
WASTE RETRIEVAL