Peer reviews and OSART missions are performed infrequently. The indus­try has recognised that the stimulus provided by them starts to peter out after a while and with that comes a loss of momentum for improvement.

Many organisations have now developed nuclear oversight functions that conduct reviews based on the peer review POs and Cs using a similar meth­odology in which the review process is maintained.

Typically, nuclear oversight personnel are independent of any line func­tion and involve personnel with plant experience and preferably experience in the peer review process.