- Back to the Containers home page
- Aerosol Containers and Gas Cartridges
- Cylinders, Spheres and Tubes
- UN cylinders, UN tubes, UN cryogenic receptacles, and multiple-element gas containers
- Tank Trucks and Trailers and TC Portable Tanks
- Containers for Infectious substances
- Railway Tank Cars and Ton Containers
- UN Small Means of Containment
- UN Portable Tanks
- Containers for Explosives (Class 1)
Currently in force:
Upcoming edition / amendment:
What is the scope of the standard?
CSA B342 sets out the requirements for the selection, use, handling, and filling of UN pressure receptacles, multiple-element gas containers, and other pressure receptacles for the transport of dangerous goods included in Class 2, gases.
Where is the standard referenced in the TDG Regulations?
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 B342 are permitted.
How do I view the standard for free?
The CSA Group has launched an online platform that allows registered users free access to Transportation of Dangerous Goods (TDG) safety standards published by CSA Group referenced in federal TDG regulations. Users can now log into Communities of Interest and register to find the TDG View Access site at https://community.csagroup.org/community/ohs/tdg-standards-view-access#.
How do I obtain a copy of the standard?
A copy of this standard can be obtained from the Canadian Standards Association (CSA).
What version of the standard is currently adopted by the TDG Regulations?
Section 1.3.1 Table of Safety Standards and Safety Requirement Documents refers to the most recently published edition of CSA B342. At this time, the 2018 edition of CSA B342 is the most recently published edition and it is the edition that is legally in force.
Where can I obtain more information?
For more information on matters pertaining to CSA B342:
Please include the text "Cylinders" in the subject line.
Information on CSA B341 (the standard on "UN pressure receptacles and multiple-element gas containers for the transport of dangerous goods).
UN Pressure Receptacle Manufacturers
Search the TDG database for manufacturers of UN cylinder, UN tubes and UN cryogenic receptacles registered with Transport Canada to manufacture UN pressure receptacles in accordance with CSA B341.
UN Pressure Receptacle Periodic Inspection and Test Facilities (Requalifiers)
Search the TDG database for UN pressure receptacle requalifiers registered with Transport Canada in accordance with CSA B341. Facilities with registration to CSA B341 will have ‘CSA B341’ included in the search results under ‘Requalifer Type’
Inspection Bodies for Manufacture of UN Pressure Receptacles
Search the TDG database " Inspection Body for UN Pressure Receptacles, including UN Cylinders, UN tubes, UN Cryogenic Receptacles " for inspection bodies registered with Transport Canada to provide in-plant inspection at UN pressure receptacle manufacturing facilities in accordance with CSA B341.
Design Review Agencies for UN Pressure Receptacle Manufacture
Get a list of design review agencies registered by Transport Canada pursuant to CSA B341.