Code of Federal Regulations Title 49. Transportation § 49.173.231 Ammonium nitrate emulsion, suspension or gel

(1) The following combination packagings are authorized:

Outer packagings:

Drums:  1B2, 1G, 1N2, 1H2 or 1D

Boxes:  4B, 4C1, 4C2, 4D, 4G or 4H2

Jerricans:  3B2 of 3H2

Inner packagings:

Glass, plastic or metal inner receptacles

(2) For combination packagings, the capacity of each inner packaging must not exceed 5 liters (1.3 gallons) and the maximum authorized net weight of each outer packaging must not exceed 125 kg (275 pounds).

(3) The following single packagings are authorized:

Drums:  1B1, 1B2, 1H1 or 1H2 with a maximum capacity of 250 liters (66 gallons).

Jerricans:  3B1, 3B2, 3H1 or 3H2 with a maximum capacity of 60 liters (15.9 gallons).

Plastic receptacle in aluminum, fiber, plastic or plywood drum:  6HB1, 6HG1, 6HH1 or 6HD1with the outer drum having a maximum capacity of 250 liters (66 gallons).

Plastic receptacle in aluminum wood, plywood, fiberboard, or solid plastic box:  6HB2, 6HC, 6HD2, 6HG2, or 6HH2 with the outer box having a maximum capacity of 60 liters (15.9 gallons).

Glass receptacle in aluminum, fiber, or plywood drum:  6PB1, 6PF1 or 6PD1 with the outer drum having a maximum capacity of 60 liters (15.9 gallons).

Glass receptacle in expanded plastic or solid plastic packaging:  6PH1 or 6PH2 with the outer packaging having a maximum capacity of 60 liters (15.9 gallons).

Glass receptacle in aluminum, wood, or fiberboard box, or wickerwork hamper:  6PB2, 6PC, 6PG2 or 6PD2 with the outer box or hamper having a maximum capacity of 60 liters (15.9 gallons).