This International Standard covers gases (air, nitrogen, helium, and argon) compressed up to 40 MPa used in systems and units of space vehicle launch and technical complexes.

This International Standard determines compressed gas impurities (mechanical impurities, water vapour, oil, and foreign gases) content measurement methods. This International Standard can be used by countries and firms participating in the development, redesign, modernization, and maintenance of space vehicle launch sites and technical complexes.