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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 173.245

Bulk packaging for extremely hazardous materials such as poisonous gases (Division 2.3).

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)Tank car tanks and multi-unit tank car tanks, when approved by the Associate Administrator.#

(b)Cargo tank motor vehicles and portable tanks, when approved by the Associate Administrator.#