规定了在低于-90摄氏度的温度下储存和处理非易燃低温液体以及在低于-15摄氏度的温度下储存和处理非易燃冷冻液体的要求和建议，这些液体在ADG规范中被归类为2.2级。对液化氧、一氧化二氮、氮、氩、氦和二氧化碳的储存和搬运提出了特殊要求。讨论了这些液体的性质和危害、搬运注意事项以及急救程序概述。

Sets out requirements and recommendations for the storage and handling non-flammable cryogenic liquids at temperatures below minus 90 degrees Celsius and non-flammable refrigerated liquids at or below minus 15 degrees Celsius which are classified as Class 2.2 in the ADG Code. Special requirements for the storage and handling of liquefied oxygen, nitrous oxide, nitrogen, argon, helium and carbon dioxide are provided. The properties and hazards of these liquids, precautions for their handling and an outline of first aid procedures are discussed.