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High-Volume: Repository - Program Focus
- Program focus (ORNL)
- Fill and cermets are being pursued
- Both put DUO2 close to spent fuel
- No evident show-stoppers
- Cermets have other uses
- Backfill and invert are not being pursued directly
- Backfill too far in the future
- Invert ballast poses a radon issue
- Study of DUO2 alteration will be relevant
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