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Subpart A—General19

Subpart B—Preparation of Hazardous Materials for Transportation22

Subpart C—Definitions, Classification and Packaging for Class 118

Subpart D—Definitions Classification, Packing Group Assignments and Exceptions for Hazardous Materials Other Than Class 1 and Class 726

Subpart E—Non-bulk Packaging for Hazardous Materials Other Than Class 1 and Class 763

Subpart F—Bulk Packaging for Hazardous Materials Other Than Class 1 and Class 79

Subpart G—Gases; Preparation and Packaging36

Subpart I—Class 7 (Radioactive) Materials47

Regulationcurrent

49 CFR 173.251

Bulk packaging for ammonium nitrate emulsion, suspension, or gel.

Current as of 2026-08-18 Government source

eCFR editorial compilationAuthoritative but unofficial

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When § 172.101 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 and B of part 173 of this subchapter and the special provisions specified in column 7 of the § 172.101 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 Table;#

(2)The IBC conforms to the requirements in subpart O of part 178 of this subchapter at the Packing Group performance level in Column (5) of the § 172.101 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 of this subchapter).#