Chemistry Control Standards for Nuclear Reactors
Official title: REGDOC-2.6.4, Chemistry Control for Reactor Facilities
The Canadian Nuclear Safety Commission is updating rules for how nuclear facilities manage water chemistry and chemical processes. These standards apply to all reactor types—from large power plants to small modular reactors and research facilities. The goal is ensuring consistent safety practices across Canada's nuclear industry.
Why This Matters
This is highly technical stuff that most Canadians won't encounter directly. But if you work in the nuclear industry or live near a reactor facility, these chemistry controls help prevent corrosion and equipment failures. Proper water chemistry is one of many safety layers protecting communities near nuclear plants.
What Could Change
Nuclear facilities would need to follow updated chemistry control requirements. This includes new guidance on monitoring water quality, managing chemical additives, and maintaining equipment. Small modular reactors and advanced reactor designs would have clearer standards to meet.
Key Issues
- What requirements should apply to chemistry control programs at reactor facilities?
- How should standards apply to different reactor types, including small modular reactors?
How to Participate
- Review the consultation draft of REGDOC-2.6.4 and the Background and Context document.
- Email your comments to consultation@cnsc-ccsn.gc.ca.
- Or mail your feedback to: Canadian Nuclear Safety Commission, 280 Slater Street, P.O. Box 1046, Station B, Ottawa, ON K1P 5S9.