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Compliance: Documentation

Hazardous Materials: Segregation Table

Stowage in a shelter-“tween-deck cargo space is not considered to be on deck stowage.

The following table shows the general provisions for segregation between the various classes of dangerous goods.

Since the properties of substances, materials or articles within each class may vary greatly, the dangerous goods list shall alwyas be consulted for particular provisions for segregations as, in the case of conflicting provisions, these take precedence over the general provisions.
Segregation shall also take account of a single subsidiary risk label.

CLASS IMO CLASS 1.1 1.2 1.5 1.3 1.6 1.4 2.1 2.2 2.3 3.0 4.1 4.2 4.3 5.1 5.2 6.1 6.2 7.0 8.0 9.0
Explosives 1.1, 1.2, 1.5 4 2 2 4 4 4 4 4 4 2 4 2 4 X
Explosives 1.3, 1.6 4 2 2 4 3 3 4 4 4 2 4 2 2 X
Explosives 1.4 2 1 1 2 2 2 2 2 2 X 4 2 2 X
Flammable gases 2.1 4 4 2 X X X 2 1 2 X 2 2 X 4 2 1 X
Non-toxic, non-flammable gases 2.2 2 2 1 X X X 1 X 1 X X 1 X 2 1 X X
Toxic gases 2.3 2 2 1 X X X 2 X 2 X X 2 X 2 1 X X
Flammable liquids 3 4 4 2 2 1 2 X X 2 1 2 2 X 3 2 X X
Flammable solids (including self-reactive substances and solid desensitized explosives) 4.1 4 3 2 1 X X X X 1 X 1 2 X 3 2 1 X
Substances liable to spontaneous combustion 4.2 4 3 2 2 1 2 2 1 X 1 2 2 1 3 2 1 X
Substances which, in contact with water, emit flammable gases 4.3 4 4 2 X X X 1 X 1 X 2 2 X 2 2 1 X
Oxidizing, substances (agents) 5.1 4 4 2 2 X X 2 1 2 2 X 2 1 3 1 2 X
Organic peroxides 5.2 4 4 2 2 1 2 2 2 2 2 2 X 1 3 2 2 X
Toxic substances 6.1 2 2 X X X X X X 1 X 1 1 X 1 X X X
Infectious substances 6.2 4 4 4 4 2 2 3 3 3 2 3 3 1 X 3 3 X
Radioactive material 7 2 2 2 2 1 1 2 2 2 2 1 2 X 3 X 2 X
Corrosive substances 8 4 2 2 1 X X X 1 1 1 2 2 X 3 2 X X
Miscellaneous dangerous substances and articles 9 X X X X X X X X X X X X X X X X X

Numbers and symbols relate to the following terms:
1 – Away from
2 – Separated from
3 – Separated by a complete compartment or hold from
4 – Separated longitudinally by an intervening complete compartment or hold from
X – The segregation, if any, is shown in the Dangerous Goods List