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Preliminary hydrologic release scenarios for a candidate repository site in the Columbia River basalts

Technical Report ·
OSTI ID:6480491
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The National Waste Terminal Storage program is examining a number of different rock types for possible construction of a repository for the storage of radioactive waste. One of the geologic settings being considered is the basalt underlying the Hanford Site of southcentral Washington. The Basalt Waste Isolation Project (BWIP) of Rockwell Hanford Operations is responsible for this feasibility study. As part of this effort, the BWIP is undertaking a consequence analysis of disruptive events that could affect the siting of a nuclear waste repository. Preliminary to a full-consequence analysis, a scenario analysis was first performed to select and rank some of the potentially important disruptive events or processes. In addition to the no-disruptive base case, four scenarios were selected using the expert opinion approach and expected of perceived risk as selection criteria. The geologic and hydrologic conditions associated with each scenario were estimated using available information. The four disruptive scenarios considered were ranked in order of decreasing significance: fault near or through the nuclear waste repository; shaft seal degradation or failure; microearthquake swarm near the repository; and magmatic intrusion.
Research Organization:
Rockwell International Corp., Richland, WA (USA). Rockwell Hanford Operations
DOE Contract Number:
AC06-77RL01030
OSTI ID:
6480491
Report Number(s):
RHO-BWI-ST-12
Country of Publication:
United States
Language:
English

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Related Subjects

052002 -- Nuclear Fuels-- Waste Disposal & Storage
053000* -- Nuclear Fuels-- Environmental Aspects
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
ACCIDENTS
BASALT
EARTHQUAKES
ENVIRONMENTAL TRANSPORT
FEASIBILITY STUDIES
GEOLOGY
HANFORD RESERVATION
HYDROLOGY
IGNEOUS ROCKS
MANAGEMENT
MASS TRANSFER
NATIONAL ORGANIZATIONS
RADIOACTIVE WASTE DISPOSAL
RADIONUCLIDE MIGRATION
ROCKS
SEISMIC EVENTS
SITE SELECTION
UNDERGROUND DISPOSAL
US DOE
US ERDA
US ORGANIZATIONS
VOLCANIC ROCKS
WASTE DISPOSAL
WASTE MANAGEMENT