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Implementation of Containment and Surveillance at a Facility

The All in One Surveillance Unit, or ALIS, provides a comprehensive view of the reactor hall. (Source: Dean Calma/IAEA)
The All in One Surveillance Unit, or ALIS, provides a comprehensive view of the reactor hall. (Source: Dean Calma/IAEA) 

At a facility, C/S measures are commonly applied:

  • to ensure (during material verification) that each item is inventoried without duplication and that the integrity of each item is preserved
  • to ensure that safeguards instruments, devices, working papers and supplies are not tampered with
  • to reduce the need of repeating verification measurements of previously-verified items or of containers whose integrity  have not been changed
  • to cover specific safeguards situations - i.e., on-load refueled reactors where fuel in the core is not easily or routinely accessible for an inventory taking

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