Title 49

PART 173 SUBPART A

Subpart A - General

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

49:2.1.1.3.10.1.25.1	SECTION 173.1	173.1 Purpose and scope.
49:2.1.1.3.10.1.25.2	SECTION 173.2	173.2 Hazardous materials classes and index to hazard class definitions.
49:2.1.1.3.10.1.25.3	SECTION 173.2a	173.2a Classification of a material having more than one hazard.
49:2.1.1.3.10.1.25.4	SECTION 173.3	173.3 Packaging and exceptions.
49:2.1.1.3.10.1.25.5	SECTION 173.4	173.4 Small quantities for highway and rail.
49:2.1.1.3.10.1.25.6	SECTION 173.4a	173.4a Excepted quantities.
49:2.1.1.3.10.1.25.7	SECTION 173.4b	173.4b De minimis exceptions.
49:2.1.1.3.10.1.25.8	SECTION 173.5	173.5 Agricultural operations.
49:2.1.1.3.10.1.25.9	SECTION 173.5a	173.5a Oilfield service vehicles, mechanical displacement meter provers, and roadway striping vehicles exceptions.
49:2.1.1.3.10.1.25.10	SECTION 173.5b	173.5b Portable and mobile refrigeration systems.
49:2.1.1.3.10.1.25.11	SECTION 173.6	173.6 Materials of trade exceptions.
49:2.1.1.3.10.1.25.12	SECTION 173.7	173.7 Government operations and materials.
49:2.1.1.3.10.1.25.13	SECTION 173.8	173.8 Exceptions for non-specification packagings used in intrastate transportation.
49:2.1.1.3.10.1.25.14	SECTION 173.9	173.9 Transport vehicles or freight containers containing lading which has been fumigated.
49:2.1.1.3.10.1.25.15	SECTION 173.10	173.10 Tank car shipments.
49:2.1.1.3.10.1.25.16	SECTION 173.11	173.11 Exceptions for shipment of light bulbs containing hazardous materials.
49:2.1.1.3.10.1.25.17	SECTION 173.12	173.12 Exceptions for shipment of waste materials.
49:2.1.1.3.10.1.25.18	SECTION 173.13	173.13 Exceptions for Class 3, Divisions 4.1, 4.2, 4.3, 5.1, 6.1, and Classes 8 and 9 materials.

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