---
kind: "section"
citation: "49 C.F.R. § 173.251"
title: "49"
number: "173.251"
heading: "Bulk packaging for ammonium nitrate emulsion, suspension, or gel."
url: "https://uscodex.org/cfr/49/173.251"
---

# §173.251. Bulk packaging for ammonium nitrate emulsion, suspension, or gel.


When [§ 172.101](/cfr/49/172.101.md) of this subchapter specifies that a hazardous material be packaged under this section, only the following bulk packagings are authorized, subject to the requirements of subparts [A](/cfr/49/part173-subpartA.md) and [B](/cfr/49/part173-subpartB.md) of part 173 of this subchapter and the special provisions specified in column 7 of the [§ 172.101](/cfr/49/172.101.md) table.

- (a) **IBCs.** IBCs are authorized subject to the conditions and limitations of this section provided:
  - (1) The IBC type is authorized according to the IBC packaging code for the specific hazardous material in Column (7) of the [§ 172.101](/cfr/49/172.101.md) Table;
  - (2) The IBC conforms to the requirements in [subpart O of part 178](/cfr/49/part178-subpartO.md) of this subchapter at the Packing Group performance level in Column (5) of the [§ 172.101](/cfr/49/172.101.md) Table for the material being transported.
- (b) **Portable tanks.** This section does not apply to “UN3375, Ammonium nitrate emulsion” when transported in IM 101 or 102 portable tanks in accordance with IME Standard 23 (IBR, see [§ 171.7](/cfr/49/171.7.md) of this subchapter).

## Notes

### Amendments

[80 FR 1161, Jan. 8, 2015, as amended at 89 FR 15665, Mar. 4, 2024]

### Authority

Authority: 49 U.S.C. 5101-5128, 44701; 49 CFR 1.81, 1.96 and 1.97.

### Amendments

[80 FR 1161, Jan. 8, 2015, as amended at 89 FR 15665, Mar. 4, 2024]