Analyses were made of the technical status of the "old U.S. mainline program" for high-level radioactive nuclear waste management, and the newly-developing program for disposal of unreprocessed spent fuel. The method of long-term containment for both of these waste forms is considered to be deep geologic isolation in bedded salt. This analysis was designed to assist the members and staff of the California Energy Resources Conservation and Development Commission in carrying out the mandate of California Assembly Bill AB 2822. Each major component of both waste management systems is analyzed in terms of its Scientific Feasibility, Technical Achievability and Engineering Achievability. The resulting matrix leads to a systematic identification of major unresolved technical or scientific questions and/or "gaps" in these programs.
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