# Ammonium nitrate emulsion, suspension or gel.

**Citation:** 49 CFR 173.231  
**Type / status:** regulation / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2026-08-18  
**Published:** Not stated

(a) Packagings for non-bulk shipments of Ammonium nitrate emulsions, suspensions and gels must conform to the general packaging requirements of subpart B of part 173, to the requirements of part 178 of this subchapter at the Packing Group I or II performance level, and the requirements of the specia

## Document text

(a) Packagings for non-bulk shipments of Ammonium nitrate emulsions, suspensions and gels must conform to the general packaging requirements of subpart B of part 173, to the requirements of part 178 of this subchapter at the Packing Group I or II performance level, and the requirements of the special provisions of column 7 of the § 172.101 table.

(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).

(b) [Reserved]

[80 FR 1160, Jan. 8, 2015]

## Provenance

- Official: Yes
- Source: <https://www.ecfr.gov/on/2026-08-18/title-49/section-173.231>
- Source ID: `ecfr`
- SHA-256: `cd372e62baed249f8ecab17578a6f9101164673ae5703cab39838bc9a2b90d95`
- Retrieved: 2026-08-20T05:46:04.092Z
- Exported: 2026-08-23T16:04:10.725Z
- Document slug: `49-cfr-173-231`

### Source metadata

```json
{
  "cfrTitle": 49,
  "part": "173",
  "section": "173.231",
  "subpart": "Subpart E—Non-bulk Packaging for Hazardous Materials Other Than Class 1 and Class 7",
  "corpusVersion": "2026-08-18",
  "jurisdiction": "US"
}
```