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Integrated Regulatory Review Service (IRRS)

IRRS is designed to strengthen and enhance the effectiveness of States’ regulatory infrastructure for nuclear, radiation, radioactive waste and transport safety.

The service offers an integrated approach to the review of common aspects of any State’s national, legal and governmental framework and regulatory infrastructure for safety. The IRRS regulatory review process provides the opportunity for a peer review of both regulatory technical and policy issues in any State, regardless of the level of development of its activities and practices that involve ionizing radiation or a nuclear programme.

IRRS missions evaluate, as objectively as possible, a State’s regulatory infrastructure for safety, comparing it against IAEA Safety Standards, and provides recommendations and suggestions for improvement, as well as good practices. This expert peer review of a State’s extent of compliance with the Safety Standards provides a good indicator of the effectiveness of the regulatory oversight of nuclear, radiation, radioactive waste and transport safety.

An IRRS mission addresses all facilities and activities regulated in a State. No more than four years after the initial mission, a follow-up IRRS review needs to be conducted to review progress in implementing the earlier suggestions and recommendations.

Preparation for an IRRS mission includes a self-assessment conducted by the requesting State in accordance with the IAEA’s self-assessment methodology.

The IRRS process consists of the following phases:

  • Pre-mission or preparatory phase (including information meeting, preparatory meeting and self-assessment);
  • Conduct of the peer review mission (including completion and dissemination of mission report); and
  • A follow-up mission.


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