Guidance on the provision, acceptance and handling of breathing gases for diving

Background 

Aims 

Application 

Standards for diving gas supply companies and their facilities 

Processes to be followed by gas suppliers when filling, mixing and analysing 

Diving gas composition standards and tolerances 

Port call management plans for gas transfer 

Processes to be followed when receiving and accepting breathing gases for diving 

Identification and certification requirements for gas cylinders and quads 

Inert gas policy 

Movement of gas storage containers 

Safe handling of oxygen 

Reporting of gas supply incidents 

References 

Appendix 1 – Example of a gas supply company’s equipment quality control checklist 

Appendix 2 – Example of a cylinder integrity check record 

Appendix 3 – Example of gas analysis report for helium and oxygen mixtures