---
kind: "section"
citation: "49 C.F.R. § 178.522"
title: "49"
number: "178.522"
heading: "Standards for composite packagings with inner plastic receptacles."
url: "https://uscodex.org/cfr/49/178.522"
---

# §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)](/cfr/49/178.509.md?p=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)](/cfr/49/178.504.md?p=b) of this subpart, or aluminum drums in [§ 178.505(b)](/cfr/49/178.505.md?p=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)](/cfr/49/178.512.md?p=b) of this subpart.
    - (iii) 6HC protective packaging must conform to the requirements for wooden boxes in [§ 178.513(b)](/cfr/49/178.513.md?p=b) of this subpart.
    - (iv) 6HD1: Protective packaging must conform to the requirements for plywood drums, in [§ 178.507(b)](/cfr/49/178.507.md?p=b) of this subpart.
    - (v) 6HD2: Protective packaging must conform to the requirements of plywood boxes, in [§ 178.514(b)](/cfr/49/178.514.md?p=b) of this subpart.
    - (vi) 6HG1: Protective packaging must conform to the requirements for fiber drums, in [§ 178.508(b)](/cfr/49/178.508.md?p=b) of this subpart.
    - (vii) 6HG2: protective packaging must conform to the requirements for fiberboard boxes, in [§ 178.516(b)](/cfr/49/178.516.md?p=b) of this subpart.
    - (viii) 6HH1: Protective packaging must conform to the requirements for plastic drums, in [§ 178.509(b)](/cfr/49/178.509.md?p=b).
    - (ix) 6HH2: Protective packaging must conform to the requirements for plastic boxes, in [§ 178.517(b)](/cfr/49/178.517.md?p=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).

## Notes

### Amendments

[Amdt. 178-97, 55 FR 52717, Dec. 21, 1990, as amended by Amdt. 178-106, 59 FR 67521, Dec. 29, 1994]

### Source

Source: Amdt. 178-97, 55 FR 52717, Dec. 21, 1990, unless otherwise noted.

### Authority

Authority: 49 U.S.C. 5101-5128; 49 CFR 1.81 and 1.97.

### Amendments

[Amdt. 178-97, 55 FR 52717, Dec. 21, 1990, as amended by Amdt. 178-106, 59 FR 67521, Dec. 29, 1994]