This guideline is primarily for the users of compressed gases in containers and is based upon accepted good
practices. Some precautions are also applicable to gas suppliers and distributors. It should not be assumed
that all applicable safety and security precautions or regulations are contained here. The term "container" as
used in this publication shall refer to portable compressed gas cylinders and liquid containers made in accor-
dance with the U.S. Department of Transportation (DOT), Transport Canada (TC), or the American Society of
Mechanical Engineers (ASME) specifications. Additional information coverinq small cylinders can be
found in CGA SB-27, Safe Use and Handlinq of Small Cylinders .