IMDG Code 39-18 published in 2018 may be used partly or wholly during 2019 and will become mandatory from 1st January 2020.

IMDG Code 39^th amendment has adopted transport of IMO type 9 tank.

IMO type 9 tank means a road gas elements (cylinders, tubes and bundles of cylinders) vehicle for the transport of compressed gases of class 2 with elements linked to each other by a manifold, permanently attached to a chassis, which is fitted with items of service equipment and structural equipment necessary for the transport of gases.  

IMDG CODE 39-18, definition

New section is added in Chapter 6.8, Provisions for road tank vehicles. IMO type 9 tanks must be approved by the competent authority for road transport. Additionally, the competent authority for sea transport must issue a certificate attesting compliance to design, construction and equipment provisions of IMDG Code. This certificate must list the gases allowed to be transported in the tank approved. For full information refer to IMDG Code 39-18 section 6.8.3.4.

Gases permitted to be transported on board ships in IMO type 9 tanks are assigned with special provision 974.

Below gases are permitted in IMDG Code 39-18 for transport in IMO type 9 tanks

• 1016 CARBON MONOXIDE, COMPRESSED
• 1046 HELIUM, COMPRESSED
• 1049 HYDROGEN, COMPRESSED
• 1971 METHANE, COMPRESSED or NATURAL GAS, COMPRESSED