这是CSA B339《危险品运输用气瓶、球体和管子》的第七版。它取代了2014年、2008年、2002年、1996年、1988年和1983年出版的之前版本。本标准是《危险货物运输条例》引用的一系列标准之一。由于法规可能会在某些例外情况或附加要求下采用本标准，因此应咨询法规，以确定其与本标准要求的差异。尽管有本标准的规定，但由于个别危险品的特殊特性或性质，遵守《危险品运输法》及其法规的规定可能需要额外的要求。 应完全遵守《危险品运输条例》中有关气瓶、球体和管道中危险品的搬运、提供运输和运输的任何要求。

This is the seventh edition of CSA B339, Cylinders, spheres, and tubes for the transportation of dangerous goods. It supersedes the previous editions published in 2014, 2008, 2002, 1996, 1988, and 1983.This Standard is one of a series of Standards adopted by reference by the Transportation of Dangerous Goods Regulations. 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. Notwithstanding the provisions of this Standard, compliance with the provisions of the Transportation of Dangerous Goods Act and the Regulations thereto can call for additional requirements due to particular characteristics or properties of individual dangerous goods. Any requirements of the Transportation of Dangerous Goods Regulations regarding the handling, the offering for transport, and the transportation of dangerous goods in cylinders, spheres, and tubes are to be fully complied with.