Edition currently in force:
CSA B339-25
Date published:
January 2025
Previous edition:
CSA B339-18
Upcoming edition/amendment:
CSA B339-29
On this page
- Scope of the standard
- Finding the standard in the TDG Regulations
- Obtaining or viewing a copy of the standard
- Contact us
Scope of the standard
CSA B339 sets out the requirements for the manufacturing, inspection, testing, marking, requalification, reheat treatment, repair, and rebuilding of cylinders, spheres, and tubes (containers) for the transportation of dangerous goods. It also sets out the requirements for new design qualification and facility registration.
Finding the standard in the TDG Regulations
- Section 1.3.1: Definitions — Safety Standards and Safety Requirement Documents
- Section 1.3.2: Transitional Period
- Section 1.50: Hot Air Balloon Cylinder Exemption
- Section 5.10: Means of Containment for Class 2, Gases:
- Section 5.10 of the TDG Regulations specifies that for the transportation of dangerous goods in Class 2 by any mode, means of containment in accordance with CSA B340 are permitted
- CSA B340 invokes CSA B339 for the manufacture of TC specification cylinders and tubes for the requalification, repair, rebuilding, reheat treatment of cylinders and tubes authorized for use in Canada
Obtaining or viewing a copy of the standard
A copy of the standard can be obtained directly from the Canadian Standards Association (CSA).
To view the standards, the CSA Group offers an online platform where registered users can access, free of charge, the Transportation of Dangerous Goods (TDG) safety standards published by CSA and referenced in the federal TDG Regulations. Users must log into CSA’s Communities of Interest and register for access to the TDG View Access site.
Contact us
Inquiries pertaining to applications for registration
Telephone: 1-855-298-1520
After choosing the language (1 for English, 2 for French), press option 1.
Email: MOCregister-Registrecontenant@tc.gc.ca
Technical inquiries
Email: tdgcontainers-tmdcontenants@tc.gc.ca.
Please include the text "Cylinders" in the subject line.
Related links
- Cylinders and tubes – Requirements
- Standard CSA B340
- TDG facilities database (manufacturers, requalifiers, independent inspectors)
- CTC special permits