This publication is applicable to cylinders, tubes, and spheres,
hereafter referred to as "cylinders," and to inspection by either
an approved independent inspection agency or inspectors of the
The purpose of this publication is to promote safety by
outlining inspection requirements of DOT in Title 49 of the U.S.
Code of Federal Regulations, CSA B339, Cylinders, Spheres, and
Tubes for the Transportation of Dangerous Goods, and CSA B341,
UN Pressure Receptacles and Multiple-Element Gas Containers for
the Transport of Dangerous Goods as adoptedby the
Transportation of Dangerous Goods Regulations of Transport
Canada (TC) for cylinders as interpreted and practiced by
manufacturers and inspectors.1
1 References are shown by bracketed numbers and are
listed in order of appearance in the reference section.
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