"This publication applies to gas cylinder packages. It covers the selection and use of specialized leak detection fluids that are suitable for industrial gases including medical and food gases that have particular compatibility requirements, though it may be used as a guideline when fluids are used for leak detection in other gas applications.
Leak detection fluids need to be carefully selected because incorrect selection can lead to a number of potential hazards.
These potential hazards include inducing stress corrosion cracking (SCC) and incompatibility with materials and cylinder contents such as oxygen.
Leak detection techniques have varied from the use of a simple household soap based solutions to specialized leak detection fluids.
These specialized leak detection fluids are far superior to household soap based solutions, which could contain contaminants or other detrimental constituents.
This publication is intended for those who are responsible for the specification and use of leak detection fluids used on gas cylinder packages.
The publication is part of the programme to develop Globally Harmonised publications amongst Regional Gas Associations."