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Currently in force:
Upcoming edition / amendment:
What is the scope of the standard?
CSA B341 sets out the requirements for the design, construction, initial inspection and testing, marking, periodic inspection and testing, and repair of UN pressure receptacles and multiple-element gas containers for the transport of dangerous goods and carried out under the approval of the Canadian authority.
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. CSA B342 invokes CSA B341 in relation to the design, construction, initial inspection and test, repair, and periodic inspection and test of UN pressure receptacles and multiple-element gas containers.
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 B341. At this time, the 2018 edition of CSA B341 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 B341:
Inquiries pertaining to applications for registration:
After choosing the language (1 for English, 2 for French), press option 1.
Please include the text "Cylinders" in the subject line.
Information on CSA B342 (the standard on "Selection and use of UN pressure receptacles and multiple-element gas containers for the transport of dangerous goods, Class 2").
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.