Division 6.1, Packing Group I, Zone A poisonous by inhalation (see § 173.133 ) must be packed in non-bulk packagings in accordance with the following paragraphs:
Steel drum: 1A2
Aluminum drum: 1B2
Metal drum, other than steel or aluminum: 1N2
Plywood drum: 1D
Fiber drum: 1G
Plastic drum: 1H2
Steel box: 4A
Aluminum box: 4B
Natural wood box: 4C1 or 4C2
Plywood box: 4D
Reconstituted wood box: 4F
Fiberboard box: 4G
Expanded plastic box: 4H1
Solid plastic box: 4H2
Metal box other than steel or aluminum: 4N
49 C.F.R. §173.226