REGDOC-2.11.2 - Decommissioning (French, PDF)

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Publisher-reported update

2026-04-30

This regulatory document provides requirements and guidance regarding the planning and preparation for as well as the execution and completion of decommissioning. The CNSC defines decommissioning as the administrative and technical actions taken to allow the removal of some or all of the regulatory controls from a facility, location or site where nuclear substances are managed, used, possessed or stored. Decommissioning actions are the procedures, processes and work activities (e.g., storage with surveillance, decontamination, dismantling or cleanup) that are taken to retire a facility, location or site from service with due regard for the health and safety of people and the environment.

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