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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