4. What are the different types of approved "ESPT" or "GRV"?

4.1 Types of "IBCs

The different types of approved "IBC" are identified by a code. This code is made up of two digits, indicating the type of "IBC", according to the following nomenclature:

• "11": rigid IBCs for solids, with gravity filling or emptying;

• "21": rigid IBCs for solids, with pressurized filling or emptying;

• "31": rigid IBC for liquids;

• "13": flexible IBCs for solids, with gravity filling or emptying.

The code number(s) are then followed by one or two letters indicating the construction material, according to the following nomenclature:

• "A":...