Document History of REGDOC-2.6.4, Chemistry Control for Reactor Facilities
Current version
The Canadian Nuclear Safety Commission (CNSC) provides information on developing, implementing and maintaining a chemistry control program for a reactor facility.
Overview
This regulatory document sets out requirements and information for having a chemistry control program for all reactor facilities. The chemistry control program is essential for safe operation and is a key element in ensuring reliability of a facility’s structure.
REGDOC-2.6.4 is based on operational experience, best practices developed from currently licensed reactor facilities, and vendor design reviews. The information in this document will be updated as additional information is gathered from experience with advanced reactors and small modular reactors.
REGDOC-2.6.4 history
| Date | Milestone | Document |
|---|---|---|
| July 15 to 28, 2025 | Feedback on comments | Comments from consultation on REGDOC-2.6.4 |
| January 28, 2025 to April 5, 2025 | Consultation | REGDOC-2.6.4 (draft version) |
Contact us
For questions or further information:
Email: cnsc.info.ccsn@cnsc-ccsn.gc.ca
Canadian Nuclear Safety Commission
280 Slater St
PO Box 1046 Stn B
Ottawa ON K1P 5S9
Telephone: 613-947-7516 or 1-800-668-5284
(toll-free in Canada and the U.S.)
Fax: 613-995-5086
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