Subpart A. Subpart A—General
- § 173.1 - Purpose and scope.
- § 173.2 - Hazardous material classes and index to hazard class definitions.
- § 173.2a - Classification of a material having more than one hazard.
- § 173.3 - Packaging and exceptions.
- § 173.4 - Small quantities for highway and rail.
- § 173.4a - Excepted quantities.
- § 173.4b - De minimis exceptions.
- § 173.5 - Agricultural operations.
- § 173.5a - Oilfield service vehicles, mechanical displacement meter provers, and roadway striping vehicles exceptions.
- § 173.5b - Portable and mobile refrigeration systems.
- § 173.6 - Materials of trade exceptions.
- § 173.7 - Government operations and materials.
- § 173.8 - Exceptions for non-specification packagings used in intrastate transportation.
- § 173.9 - Transport vehicles or freight containers containing lading which has been fumigated.
- § 173.10 - Tank car shipments.
- § 173.11 - Exceptions for shipment of light bulbs containing hazardous materials.
- § 173.12 - Exceptions for shipment of waste materials.
- § 173.13 - Exceptions for Class 3, Divisions 4.1, 4.2, 4.3, 5.1, 6.1, and Classes 8 and 9 materials.
- § 173.14 - Hazardous materials in equipment in use or intended for use during transport.