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Document History of REGDOC-2.11.2, Decommissioning

View [HTML version of REGDOC-2.11.2] [PDF version of REGDOC-2.11.2 (28 pages, 904 KB)]


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 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.


January 2021: Published.

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 December 2 to December 20, 2019

View the comments received:

Additional Comments received December 2019
Feedback received February 28, 2020

View the feedback received

Revised version following public consultation   View revised version of Draft REGDOC-2.11.2 (PDF, 27 pages, 600 KB)
Workshop with industry February 5, 2020 View comments received from industry (PDF, 13 pages, 517 KB)
Workshop with Civil Society Organizations and Members of the Public April 23, 2020 View comments received from Civil Society Organizations and Members of the Public (PDF, 15 pages, 446 KB)
Presentation to the Commission June 18, 2020 View the versions of all five Waste and Decommissioning regulatory documents submitted to the Commission (CMD 20-M13.A) (PDF, 842 pages, 15 MB)
Publication January 2021

[HTML version of REGDOC-2.11.2]

[PDF version of REGDOC-2.11.2 (28 pages, 904 KB)]

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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