This standard sets out requirements for markings, filling procedures, inspecting and testing, fittings and safe handling of gas cylinders incorporating an insulated stainless steel inner vessel, used for the storage and transport of fluids including those listed in Table 1, and of water capacity not less than 0.1 kg and not greater than 500 kg.NOTES:1. The standard is particularly directed to use of cylinders complying with (U.S.) Department of Transportation Specification 4L.2. The requirements specified for cylinder contents traffic change do not provide for medical gases.3. AS 1894 provides requirements for the safe handling of cryogenic fluids.