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Subpart A—General Requirements8

Subpart B—General Operating Requirements4

Subpart C—General Handling and Loading Requirements7

Subpart D—Handling of Placarded Rail Cars, Transport Vehicles and Freight Containers5

Subpart E—Class I (Explosive) Materials10

Subpart F—Detailed Requirements for Class 2 (Gases) Materials4

Subpart G—Detailed Requirements for Class 3 (Flammable Liquid) Materials4

Subpart J—Detailed Requirements for Division 6.1 (Poisonous) Materials3

Subpart K—Detailed Requirements for Class 7 (Radioactive) Materials3

Regulationcurrent

49 CFR 174.3

Unacceptable hazardous materials shipments.

Current as of 2026-08-18 Government source

eCFR editorial compilationAuthoritative but unofficial

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No person may accept for transportation or transport by rail any shipment of hazardous material that is not in conformance with the requirements of this subchapter.#