49 CFR 178.522
Standards for composite packagings with inner plastic receptacles.
(a)The following are the identification codes for composite packagings with inner plastic receptacles:#
(1)6HA1 for a plastic receptacle within a protective steel drum;#
(2)6HA2 for a plastic receptacle within a protective steel crate or box;#
(3)6HB1 for a plastic receptacle within a protective aluminum drum.#
(4)6HB2 for a plastic receptacle within a protective aluminum crate or box.#
(5)6HC for a plastic receptacle within a protective wooden box.#
(6)6HD1 for a plastic receptacle within a protective plywood drum;#
(7)6HD2 for a plastic receptacle within a protective plywood box;#
(8)6HG1 for a plastic receptacle within a protective fiber drum;#
(9)6HG2 for a plastic receptacle within a protective fiberboard box;#
(10)6HH1 for a plastic receptacle within a protective plastic drum; and#
(11)6HH2 for a plastic receptacle within a protective plastic box.#
(b)Construction requirements for composite packagings with inner receptacles of plastic are as follows:#
(1)Inner receptacles must be constructed under the applicable construction requirements prescribed in § 178.509(b) (1) through (7) of this subpart.#
(2)The inner plastic receptacle must fit snugly inside the outer packaging, which must be free of any projections which may abrade the plastic material.#
(3)Outer packagings must be constructed as follows:#
(i)6HA1 or 6HB1: Protective packaging must conform to the requirements for steel drums in § 178.504(b) of this subpart, or aluminum drums in § 178.505(b) of this subpart.#
(ii)6HA2 or 6HB2: Protective packagings with steel or aluminum crate must conform to the requirements for steel or aluminum boxes found in § 178.512(b) of this subpart.#
(iii)6HC protective packaging must conform to the requirements for wooden boxes in § 178.513(b) of this subpart.#
(iv)6HD1: Protective packaging must conform to the requirements for plywood drums, in § 178.507(b) of this subpart.#
(v)6HD2: Protective packaging must conform to the requirements of plywood boxes, in § 178.514(b) of this subpart.#
(vi)6HG1: Protective packaging must conform to the requirements for fiber drums, in § 178.508(b) of this subpart.#
(vii)6HG2: protective packaging must conform to the requirements for fiberboard boxes, in § 178.516(b) of this subpart.#
(viii)6HH1: Protective packaging must conform to the requirements for plastic drums, in § 178.509(b).#
(ix)6HH2: Protective packaging must conform to the requirements for plastic boxes, in § 178.517(b).#
(4)Maximum capacity of inner receptacles is as follows: 6HA1, 6HB1, 6HD1, 6HG1, 6HH1—250 L (66 gallons); 6HA2, 6HB2, 6HC, 6HD2, 6HG2, 6HH2—60 L (16 gallons).#
(5)Maximum net mass is as follows: 6HA1, 6HB1, 6HD1, 6HG1, 6HH1—400kg (882 pounds); 6HB2, 6HC, 6HD2, 6HG2, 6HH2—75 kg (165 pounds).#