Cylinders are identified according to the gases contained.
The manufacturer or distributor of a breathing mixture other than air shall record the following information on the identification sheet for each cylinder and in the establishment’s register:
– the percentage of oxygen analysed and the theoretical composition of the gas mixture ;
– the date of analysis;
– the name of the manufacturer or distributor.
Before diving, the end user completes the identification sheet for each cylinder with the following information:
– the pressure of the gas mixture in the cylinder ;
– the percentage of oxygen analysed and the composition of the mixture;
– the maximum depth at which the mixture can be used;
– the date of the analysis;
– name or initials.