Document history of REGDOC-2.11.2, Decommissioning

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Regulatory document REGDOC-2.11.2, Decommissioning, sets out requirements and guidance regarding the planning for decommissioning, preparation for decommissioning, execution of decommissioning and completion of decommissioning of decommissioning of Class I nuclear facilities, uranium mines and mills, and nuclear substances and radiation devices (waste nuclear substance licensees only) activities licensed by the CNSC in Canada.

This document supersedes G-219, Decommissioning Planning for Licensed Activities.


July 16, 2019: Draft REGDOC-2.11.2 is open for consultation until October 16, 2019.

Note: The comments are posted in the language in which they were received. You may provide your feedback in the following ways:

  • Email:
  • Mail:
    Canadian Nuclear Safety Commission
    P.O. Box 1046, Station B
    280 Slater Street
    Ottawa, Ontario, Canada K1P 5S9
  • Fax: 613-995-5086

Comments submitted, including names and affiliations are intended to be made public. You will not receive a formal reply to your comments.

Document Milestone Dates Links
Consultation July 16, 2019 to October 16, 2019

View the consultation version of the document (HTML version of Draft REGDOC-2.11.2)

(PDF version of Draft REGDOC-2.11.2)

Invitation to provide feedback on comments received TBD TBD
Feedback received TBD TBD
Presentation to the Commission TBD TBD
Publication TBD TBD

Contact information

For questions and information related to REGDOC-2.11.2, Decommissioning, please contact:

Directorate of Nuclear Cycle and Facilities Regulation
Canadian Nuclear Safety Commission
P.O. Box 1046, Station B
Ottawa, Ontario, Canada K1P 5S9

Telephone: 1-800-668-5284 (Canada only)
Fax: 613-995-5086

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