Document History of REGDOC-2.5.4, Design of Uranium Mines and Mills: Ventilation Systems
REGDOC-2.5.4, Design of Uranium Mines and Mills: Ventilation Systems provides guidance on addressing the requirements for submitting ventilation-related information when applying for a CNSC licence to site and construct, operate or decommission a uranium mine or mill. This regulatory document is also intended to help applicants for a uranium mine or mill licence understand their operational and maintenance obligations for ventilation systems, and to help CNSC staff evaluate the adequacy of applications for uranium mine and mill licences.
Version 1.1 includes administrative updates to references to the Secretariat. As of January 1, 2022, the Commission Secretariat was renamed the Commission Registry and the Commission Secretary became the Commission Registrar.
February 2022: Published
|Publication||June 2003||View G-221, A Guide to Ventilation Requirements for Uranium Mines and Mills | PDF|
|Consultation||October 4, 2017 to November 15, 2017||View draft REGDOC-2.5.4 [HTML] [PDF]|
|Invitation to provide feedback on comments received||N/A||No comments received|
|Publication||March 2018||View REGDOC-2.5.4 [HTML] [PDF]|
|Publication||February 2022||View REGDOC-2.5.4, Version 1.1 [HTML] [PDF]|
For questions and information related to REGDOC-2.5.4, Design of Uranium Mines and Mills: Ventilation Systems, please contact:
Directorate of Nuclear Cycle and Facilities Regulation
280 Slater Street
Ottawa, ON, Canada K1P 5S9
Telephone: 1-800-668-5284 (Canada only)
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