TRU partnership - Phased approach: Accomplishing site objectives while supporting the WIPP-WAC
Technical Report
·
OSTI ID:111740
- Westinghouse Hanford Company, Richland, VA (United States)
- Westinghouse Savannah River Company, Aiken, SC (United States)
Since the early 1970`s the TRU waste generating sites in the DOE complex have kept TRU waste in retrievable storage in anticipation of shipping it someday to the repository. Some of the sites stored the waste in drums which have a twenty year design storage life. These drums were stored on pads and covered with a soil layer several feet thick until some future time when they would be retreived for shipment. In the mid 1980`s the Waste Isolation Pilot Plant (WIPP) near Carlsbad, NM was chosen as the site of the repository. In 1990, the TRU Partnership intersite working group recognized that (1) the operations start date for the WIPP was several years away with more delays expected, (2) the storage drums were nearing the end of their design storage life, and (3) the WIPP waste acceptance criteria (WIPP-WAC) might change as a result of the WIPP test phase and subsequent Performance Assessment (PA) to include some type of treatment not currently planned. To help address these concerns, and the fact that the expectations of state and federal regulators were changing, the phased approach was developed to accomplish individual site objectives which still supporting the WIPP and its waste acceptance criteria. The phased approach consists of three types of projects: (1) retrieval and storage projects, (2) characterization/repackaging projects, and (3) treatment projects. The phased approach being utilized for TRU waste programs at various DOE sites provides benefits to the generating sites and to the WIPP. The generating sites now have the flexibility to deal with their environmental concerns, provide for safe storage and be in a position to ship a large portion of their waste to the WIPP when it begins receiving waste for disposal. At the same time, the impacts to the sites from changes in the WIPP-WAC based on test phase/Performance Assessment results will be minimized. The WIPP has the flexibility to make future changes to the WIPP-WAC without invalidating site projects.
- Research Organization:
- Arizona Univ., Tucson, AZ (United States). Coll. of Engineering and Mines; New Mexico State Univ., University Park, NM (United States); Waste-Management Education and Research Consortium (WERC), Las Cruces, NM (United States); USDOE, Washington, DC (United States)
- OSTI ID:
- 111740
- Report Number(s):
- CONF-940225--Vol.1
- Country of Publication:
- United States
- Language:
- English
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