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Imco Segregation Table

IMDG -­ Segregation Rules

Table 1 -­ For co-­loading various IMO classes into 1 container
Table 2 -­ For co-­loading various IMO Class 1 compatibility groups into 1 container (* Exceptions!!!)
Table 3 -­ Special Restrictions -­ IMO Class 1 cannot be loaded on the same vessel with these commodities

Table 1 For co-­loading various IMO classes into 1 container

 Segregation should also take account of subsidiary risk labels.
Key Co-Load ? Remarks
X Yes Please refer to individual schedules for any particular requirements
1 No "Away from"
2 No "Separated from"
3 No "Separated by a complete compartment of hold from"
4 No "Separated longitudinally by an intervening complete compartment or hold from

** The following table shows the general requirements for segregation between the various classes of dangerous goods. Please refer to Stowage Instruction Section of individual schedules for any particular requirements.

IMO Class

1.1
1.2
1.5

1.3
1.6

1.4

2.1

2.2

2.3

3

4.1

4.2

4.3

5.1

5.2

6.1

6.2

7

8

9

1.1, 1.2, 1.5

Segregation rules within Class 1

4

2

2

4

4

4

4

4

4

2

4

2

4

X

1.3, 1.6

4

2

2

4

3

3

4

4

4

2

4

2

2

X

1.4

2

1

1

2

2

2

2

2

2

X

4

2

2

X

2.1

4

4

2

X

X

X

2

1

2

X

2

2

X

4

2

1

X

2.2

2

2

1

X

X

X

1

X

1

X

X

1

X

2

1

X

X

2.3

2

2

1

X

X

X

2

X

2

X

X

2

X

2

1

X

X

3

4

4

2

2

1

2

X

X

2

1

2

2

X

3

2

X

X

4.1

4

3

2

1

X

X

X

X

1

X

1

2

X

3

2

1

X

4.2

4

3

2

2

1

2

2

1

X

1

2

2

1

3

2

1

X

4.3

4

4

2

X

X

X

1

X

1

X

2

2

X

2

2

1

X

5.1

4

4

2

2

X

X

2

1

2

2

X

2

1

3

1

2

X

5.2

4

4

2

2

1

2

2

2

2

2

2

X

1

3

2

2

X

6.1

2

2

X

X

X

X

X

X

1

X

1

1

X

1

X

X

X

6.2

4

4

4

4

2

2

3

3

3

2

3

3

1

X

3

3

X

7

2

2

2

2

1

1

2

2

2

2

1

2

X

3

X

2

X

8

4

2

2

1

X

X

X

1

1

1

2

2

X

3

2

X

X

9

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X


Table 2 - For co-loading various IMO Class 1 compatibility groups into 1 container

(Definition - Class 1.4G - 1.4 is IMO Class / G is the Compatibility Group)

Compatibility Group

A

B

C

D

E

F

G

H

J

K

L

N

S

A

X

B

X

X

C

X

X

X

X

X

X

D

X

X

X

X

X

X

E

X

X

X

X

X

X

F

X

X

G

X

X

X

X

X

H

X

X

J

X

X

K

X

X

L

X

N

X

X

X

X

X

S

X

X

X

X

X

X

X

X

X

X

X

Table 3 - Special Restrictions - IMO Class 1 cannot be loaded on the same vessel with:

UN Number IMO Class Proper Shipping Name
1131 3.1 CARBON DISULPHIDE
1259 6.1 NICKEL CARBONYL
1366 4.2 DIEHTYLZINC
1370 4.2 DIMETHYLZINC
2845 4.2 PYROPHORIC LIQUID, ORGANIC NOS
3053 4.2 MAGNESIUM ALKYLS
3194 4.2 PYROPHORIC LIQUID, INORGANIC, NOS
3392 4.2 ORGANOMETALLIC SUBSTANCE,LIQUID,PYROPHORIC
3394 4.2 ORGANOMETALLIC SUBSTANCE,LIQUID,PYROPHORIC, WATER-REACTIVE

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