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Table 3.10.A - Precedence of Hazards and Packing Groups

calendar iconMarch 23, 2021

Table 3.10.A - Precedence of Hazards and Packaging Groups for Classes 3, 4 and 8 and for Divisions 5.1 and 6.1 (3.10.1)

Class
or
Division

Packing
Group

 4.2 4.2 4.3 4.3 4.3 5.1 5.1 5.1

6.1
(d)

6.1
(o)

 6.1 6.1 8 (l) 8 (s) 8 (l) 8 (s) 8 (l) 8 (s)
II III I II III I II III I I II III I I II II III III
3 I(*)     4.3,
I		 4.3,
I		 4.3,
I		 (—) (—) (—) 3, I 3, I 3, I 3, I 3, I (—) 3, I (—) 3, I (—)
3 II(*)     4.3,
I		 4.3,
Il		 4.3,
II		 (—) (—) (—) 3, I 3, I 3, II 3, II 8, I (—) 3, II (—) 3, II (—)
3 III(*)     4.3,
I		 4.3,
II		 4.3,
III		 (—) (—) (—) 6.1,
I		 6.1,
I		 6.1,
II		 3,
III(**)		 8, I (—) 8, II (—) 3,
III		 (—)
4.1 II(*) 4.2,
II		 4.2,
II		 4.3,
I		 4.3,
II		 4.3,
II		 5.1,
I		 4.1,
II		 4.1,
II		 6.1,
I		 6.1,
I		 4.1,
II		 4.1,
II		 (—) 8, I (—) 4.1,
II		 (—) 4.1,
II
4.1 III(*) 4.2,
II		 4.2,
III		 4.3,
I		 4.3,
II		 4.3,
III		 5.1,
I		 4.1,
II		 4.1,
III		 6.1,
I		 6.1,
I		 6.1,
II		 4.1,
III		 (—) 8, I (—) 8, II (—) 4.1,
III
4.2 II     4.3,
I		 4.3,
II		 4.3,
II		 5.1,
I		 4.2,
II		 4.2,
II		 6.1,
I		 6.1,
I		 4.2,
II		 4.2,
II		 8, I 8, I 4.2,
II		 4.2,
II		 4.2,
II		 4.2,
II
4.2 III     4.3,
I		 4.3,
II		 4.3,
III		 5.1,
I		 5.1,
II		 4.2,
III		 6.1,
I		 6.1,
I		 6.1,
II		 4.2,
II		 8, I 8, I 8, II 8, II 4.2,
III		 4.2,
III
4.3 I           5.1,
I		 4.3,
I		 4.3,
I		 6.1,
I		 4.3,
I		 4.3,
I		 4.3,
I		 4.3,
I		 4.3,
I		 4.3,
I		 4.3,
I		 4.3,
I		 4.3,
I
4.3 II           5.1,
I		 4.3,
II		 4.3,
II		 6.1,
I		 4.3,
I		 4.3,
II		 4.3,
II		 8, I 8, I 4.3,
II		 4.3,
II		 4.3,
II		 4.3,
II
4.3 III           5.1,
I		 5.1,
II		 4.3,
III		 6.1,
I		 6.1,
I		 6.1,
II		 4.3,
III		 8, I 8, I 8, II 8, II 4.3,
III		 4.3,
III
5.1 I                 5.1,
I		 5.1,
I		 5.1,
I		 5.1,
I		 5.1,
I		 5.1,
I		 5.1,
I		 5.1,
I		 5.1,
I		 5.1,
I
5.1 II                 6.1,
I		 5.1,
I		 5.1,
II		 5.1,
II		 8, I 8, I 5.1,
II		 5.1,
II		 5.1,
II		 5.1,
II
5.1 III                 6.1,
I		 6.1,
I		 6.1,
II		 5.1,
III		 8, I 8, I 8, II 8, II 5.1,
III		 5.1,
III
6.1 (d) I                         8, I 6.1,
I		 6.1,
I		 6.1,
I		 6.1,
I		 6.1,
I
6.1 (o) I                         8, I 6.1,
I		 6.1,
I		 6.1,
I		 6.1,
I		 6.1,
I
6.1 (i) II                         8, I 6.1,
I		 6.1,
II		 6.1,
II		 6.1,
II		 6.1,
II
6.1 (d) II                         8, I 6.1,
I		 8, II 6.1,
II		 6.1,
II		 6.1,
II
6.1 (o) II                         8, I 8, I 8, II

6.1,
II

6.1,
II

6.1,
II
6.1 III                         8, I 8, I 8, II 8, II 8,
III		 8,
III

 

(l): = liquid

(s): = solid

(i): = inhalation

(d): = dermal

(o): = oral

(—): = an impossible combination

(*): Substances of Division 4.1 other than self-reactive substances and solid desensitized explosive and substances of Class 3 other than liquid desensitized explosives.

(**): For pesticides only, the primary hazard must be Divisions 6.1.

Note: this table is based on the UN Precedence of Hazard Table.

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