This is the fifth edition of CSA B339, Cylinders, spheres, and tubes for the transportation of dangerous goods. It supersedes the previous editions published in 2002, 1996, 1988, and 1983.

This Standard is one of a series of Standards prepared for use in conjunction with the Transportation of Dangerous Goods Regulations, which adopt this Standard by reference. Because the Regulations might adopt this Standard with certain exceptions or additional requirements, they should be consulted to determine where they differ from the requirements of this Standard