Part 173 — Shippers—General Requirements for Shipments and Packagings
Current through Sep 25, 2026
Authority: 49 U.S.C. 5101-5128, 44701; 49 CFR 1.81, 1.96 and 1.97.
Source: 29 FR 18668, Dec. 29, 1964, unless otherwise noted. Redesignated at 32 FR 5606, Apr. 5, 1967.
Editorial Note: Nomenclature changes to part 173 appear at 70 FR 56098, Sept. 23, 2005.
Sections
- § 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.
- § 173.21 Forbidden materials and packages.
- § 173.22 Shipper's responsibility.
- § 173.22a Use of packagings authorized under special permits.
- § 173.23 Previously authorized packaging.
- § 173.24 General requirements for packagings and packages.
- § 173.24a Additional general requirements for non-bulk packagings and packages.
- § 173.24b Additional general requirements for bulk packagings.
- § 173.25 Authorized packagings and overpacks.
- § 173.26 Quantity limitations.
- § 173.27 General requirements for transportation by aircraft.
- § 173.28 Reuse, reconditioning and remanufacture of packagings.
- § 173.29 Empty packagings.
- § 173.30 Loading and unloading of transport vehicles.
- § 173.31 Use of tank cars.
- § 173.32 Requirements for the use of portable tanks.
- § 173.33 Hazardous materials in cargo tank motor vehicles.
- § 173.34 [Reserved]
- § 173.35 Hazardous materials in IBCs.
- § 173.36 Hazardous materials in Large Packagings.
- § 173.37 Hazardous Materials in Flexible Bulk Containers.
- § 173.40 General packaging requirements for toxic materials packaged in cylinders.
- § 173.41 Sampling and testing program for unrefined petroleum-based products.
- § 173.50 Class 1—Definitions.
- § 173.51 Authorization to offer and transport explosives.
- § 173.52 Classification codes and compatibility groups of explosives.
- § 173.53 Provisions for using old classifications of explosives.
- § 173.54 Forbidden explosives.
- § 173.55 [Reserved]
- § 173.56 New explosives—definition and procedures for classification and approval.
- § 173.57 Acceptance criteria for new explosives.
- § 173.58 Assignment of class and division for new explosives.
- § 173.59 Description of terms for explosives.
- § 173.60 General packaging requirements for explosives.
- § 173.61 Mixed packaging requirements.
- § 173.62 Specific packaging requirements for explosives.
- § 173.63 Packaging exceptions.
- § 173.64 Exceptions for Division 1.3 and 1.4 fireworks.
- § 173.65 Exceptions for Division 1.3G or 1.4G fireworks, pyrotechnic devices, or fuses certification by a Fireworks Certification Agency.
- § 173.66 Requirements for bulk packagings of certain explosives and oxidizers.
- § 173.67 Exceptions for Division 1.1 jet perforating guns.
- § 173.115 Class 2, Divisions 2.1, 2.2, and 2.3—Definitions.
- § 173.116 Class 2—Assignment of hazard zone.
- §§ 173.117-173.119 [Reserved]
- § 173.120 Class 3—Definitions.
- § 173.121 Class 3—Assignment of packing group.
- § 173.124 Class 4, Divisions 4.1, 4.2 and 4.3—Definitions.
- § 173.125 Class 4—Assignment of packing group.
- § 173.127 Class 5, Division 5.1—Definition and assignment of packing groups.
- § 173.128 Class 5, Division 5.2—Definitions and types.
- § 173.129 [Reserved]
- § 173.132 Class 6, Division 6.1—Definitions.
- § 173.133 Assignment of packing group and hazard zones for Division 6.1 materials.
- § 173.134 Class 6, Division 6.2—Definitions and exceptions.
- § 173.136 Class 8—Definitions.
- § 173.137 Class 8—Assignment of packing group.
- § 173.140 Class 9—Definitions.
- § 173.141 Class 9—Assignment of packing group.
- § 173.144-173.145 [Reserved]
- § 173.150 Exceptions for Class 3 (flammable and combustible liquids).
- § 173.151 Exceptions for Class 4.
- § 173.152 Exceptions for Division 5.1 (oxidizers) and Division 5.2 (organic peroxides).
- § 173.153 Exceptions for Division 6.1 (poisonous materials).
- § 173.154 Exceptions for Class 8 (corrosive materials).
- § 173.155 Exceptions for Class 9 (miscellaneous hazardous materials).
- § 173.156 Exceptions for limited quantity materials.
- § 173.157 Reverse logistics—General requirements and exceptions for reverse logistics.
- § 173.158 Nitric acid.
- § 173.159 Batteries, wet.
- § 173.159a Exceptions for non-spillable batteries.
- § 173.160 Bombs, smoke, non-explosive (corrosive).
- § 173.161 Chemical kits and first aid kits.
- § 173.162 Gallium.
- § 173.163 Hydrogen fluoride.
- § 173.164 Mercury (metallic and articles containing mercury).
- § 173.165 Polyester resin kits.
- § 173.166 Safety devices.
- § 173.167 ID8000 consumer commodities.
- § 173.168 Chemical oxygen generators.
- § 173.170 Black powder for small arms.
- § 173.171 Smokeless powder for small arms.
- § 173.172 Aircraft hydraulic power unit fuel tank.
- § 173.173 Paint, paint-related material, adhesives, ink and resins.
- § 173.174 Refrigerating machines.
- § 173.175 Permeation devices.
- § 173.176 Capacitors.
- § 173.181 Pyrophoric materials (liquids).
- § 173.182 Barium azide—50 percent or more water wet.
- § 173.183 Nitrocellulose base film.
- § 173.184 Highway or rail fusee.
- § 173.185 Lithium cells and batteries.
- § 173.186 Matches.
- § 173.187 Pyrophoric solids, metals or alloys, n.o.s.
- § 173.188 White or yellow phosphorus.
- § 173.189 Batteries containing sodium or cells containing sodium.
- § 173.192 Packaging for certain toxic gases in Hazard Zone A.
- § 173.193 Bromoacetone, methyl bromide, chloropicrin and methyl bromide or methyl chloride mixtures, etc.
- § 173.194 Gas identification sets.
- § 173.195 Hydrogen cyanide, anhydrous, stabilized (hydrocyanic acid, aqueous solution).
- § 173.196 Category A infectious substances.
- § 173.197 Regulated medical waste.
- § 173.198 Nickel carbonyl.
- § 173.199 Category B infectious substances.
- § 173.201 Non-bulk packagings for liquid hazardous materials in Packing Group I.
- § 173.202 Non-bulk packagings for liquid hazardous materials in Packing Group II.
- § 173.203 Non-bulk packagings for liquid hazardous materials in Packing Group III.
- § 173.204 Non-bulk, non-specification packagings for certain hazardous materials.
- § 173.205 Specification cylinders for liquid hazardous materials.
- § 173.206 Packaging requirements for chlorosilanes.
- § 173.211 Non-bulk packagings for solid hazardous materials in Packing Group I.
- § 173.212 Non-bulk packagings for solid hazardous materials in Packing Group II.
- § 173.213 Non-bulk packagings for solid hazardous materials in Packing Group III.
- § 173.214 Packagings which require approval by the Associate Administrator.
- § 173.216 Asbestos, blue, brown or white.
- § 173.217 Carbon dioxide, solid (dry ice).
- § 173.218 Fish meal or fish scrap.
- § 173.219 Life-saving appliances.
- § 173.220 Internal combustion engines, vehicles, machinery containing internal combustion engines, battery-powered equipment or machinery, fuel cell-powered equipment or machinery.
- § 173.221 Polymeric beads, expandable and Plastic molding compound.
- § 173.222 Dangerous goods in articles, machinery, or apparatus.
- § 173.223 Packagings for certain flammable solids.
- § 173.224 Packaging and control and emergency temperatures for self-reactive materials.
- § 173.225 Packaging requirements and other provisions for organic peroxides.
- § 173.226 Materials poisonous by inhalation, Division 6.1, Packing Group I, Hazard Zone A.
- § 173.227 Materials poisonous by inhalation, Division 6.1, Packing Group I, Hazard Zone B.
- § 173.228 Bromine pentafluoride or bromine trifluoride.
- § 173.229 Chloric acid solution or chlorine dioxide hydrate, frozen.
- § 173.230 Fuel cell cartridges containing hazardous material.
- § 173.231 Ammonium nitrate emulsion, suspension or gel.
- § 173.232 Articles containing hazardous materials, n.o.s.
- § 173.240 Bulk packaging for certain low hazard solid materials.
- § 173.241 Bulk packagings for certain low hazard liquid and solid materials.
- § 173.242 Bulk packagings for certain medium hazard liquids and solids, including solids with dual hazards.
- § 173.243 Bulk packaging for certain high hazard liquids and dual hazard materials which pose a moderate hazard.
- § 173.244 Bulk packaging for certain pyrophoric liquids (Division 4.2), dangerous when wet (Division 4.3) materials, and poisonous liquids with inhalation hazards (Division 6.1).
- § 173.245 Bulk packaging for extremely hazardous materials such as poisonous gases (Division 2.3).
- § 173.247 Bulk packaging for certain elevated temperature materials.
- § 173.249 Bromine.
- § 173.251 Bulk packaging for ammonium nitrate emulsion, suspension, or gel.
- § 173.252 xxx
- § 173.300 [Reserved]
- § 173.301 General requirements for shipment of compressed gases and other hazardous materials in cylinders, UN pressure receptacles, and spherical pressure vessels.
- § 173.301a Additional general requirements for shipment of specification cylinders.
- § 173.301b Additional general requirements for shipment of UN pressure receptacles.
- § 173.302 Filling of cylinders with nonliquefied (permanent) compressed gases or adsorbed gases.
- § 173.302a Additional requirements for shipment of non-liquefied (permanent) compressed gases in specification cylinders.
- § 173.302b Additional requirements for shipment of non-liquefied (permanent) compressed gases in UN pressure receptacles.
- § 173.302c Additional requirements for the shipment of adsorbed gases in UN pressure receptacles.
- § 173.303 Charging of cylinders with compressed gas in solution (acetylene).
- § 173.304 Filling of cylinders with liquefied compressed gases.
- § 173.304a Additional requirements for shipment of liquefied compressed gases in specification cylinders.
- § 173.304b Additional requirements for shipment of liquefied compressed gases in UN pressure receptacles.
- § 173.305 Charging of cylinders with a mixture of compressed gas and other material.
- § 173.306 Limited quantities of compressed gases.
- § 173.307 Exceptions for compressed gases.
- § 173.308 Lighters.
- § 173.309 Fire extinguishers.
- § 173.310 Exceptions for radiation detectors.
- § 173.311 Metal Hydride Storage Systems.
- § 173.312 Requirements for shipment of MEGCs.
- § 173.313 UN Portable Tank Table for Liquefied Compressed Gases and Chemical Under Pressure.
- § 173.314 Compressed gases in tank cars and multi-unit tank cars.
- § 173.315 Compressed gases in cargo tanks and portable tanks.
- § 173.316 Cryogenic liquids in cylinders.
- § 173.318 Cryogenic liquids in cargo tanks.
- § 173.319 Cryogenic liquids in tank cars.
- § 173.320 Cryogenic liquids; exceptions.
- § 173.321 Ethylamine.
- § 173.322 Ethyl chloride.
- § 173.323 Ethylene oxide.
- § 173.334 Organic phosphates mixed with compressed gas.
- § 173.335 Chemical under pressure n.o.s.
- § 173.336 Nitrogen dioxide, liquefied, or dinitrogen tetroxide, liquefied.
- § 173.337 Nitric oxide.
- § 173.338 Tungsten hexafluoride.
- § 173.340 Tear gas devices.
- § 173.401 Scope.
- § 173.403 Definitions.
- § 173.410 General design requirements.
- § 173.411 Industrial packages.
- § 173.412 Additional design requirements for Type A packages.
- § 173.413 Requirements for Type B packages.
- § 173.415 Authorized Type A packages.
- § 173.416 Authorized Type B packages.
- § 173.417 Authorized fissile materials packages.
- § 173.418 Authorized packages—pyrophoric Class 7 (radioactive) materials.
- § 173.419 Authorized packages—oxidizing Class 7 (radioactive) materials.
- § 173.420 Uranium hexafluoride (fissile, fissile excepted and non-fissile).
- § 173.421 Excepted packages for limited quantities of Class 7 (radioactive) materials.
- § 173.422 Additional requirements for excepted packages containing Class 7 (radioactive) materials.
- § 173.423 Requirements for multiple hazard limited quantity Class 7 (radioactive) materials.
- § 173.424 Excepted packages for radioactive instruments and articles.
- § 173.425 Table of activity limits—excepted quantities and articles.
- § 173.426 Excepted packages for articles containing natural uranium or thorium.
- § 173.427 Transport requirements for low specific activity (LSA) Class 7 (radioactive) material and surface contaminated objects (SCO).
- § 173.428 Empty Class 7 (radioactive) materials packaging.
- § 173.431 Activity limits for Type A and Type B packages.
- § 173.433 Requirements for determining basic radionuclide values, and for the listing of radionuclides on shipping papers and labels.
- § 173.434 Activity-mass relationships for uranium and natural thorium.
- § 173.435 Table of A1 and A2 values for radionuclides.
- § 173.436 Exempt material activity concentrations and exempt consignment activity limits for radionuclides.
- § 173.441 Radiation level limitations and exclusive use provisions.
- § 173.442 Thermal limitations.
- § 173.443 Contamination control.
- § 173.447 Storage incident to transportation—general requirements.
- § 173.448 General transportation requirements.
- § 173.453 Fissile materials—exceptions.
- § 173.457 Transportation of fissile material packages—specific requirements.
- § 173.459 Mixing of fissile material packages with non-fissile or fissile-excepted material packages.
- § 173.461 Demonstration of compliance with tests.
- § 173.462 Preparation of specimens for testing.
- § 173.465 Type A packaging tests.
- § 173.466 Additional tests for Type A packagings designed for liquids and gases.
- § 173.467 Tests for demonstrating the ability of Type B and fissile materials packagings to withstand accident conditions in transportation.
- § 173.468 Test for LSA-III material.
- § 173.469 Tests for special form Class 7 (radioactive) materials.
- § 173.471 Requirements for U.S. Nuclear Regulatory Commission approved packages.
- § 173.472 Requirements for exporting DOT Specification Type B and fissile packages.
- § 173.473 Requirements for foreign-made packages.
- § 173.474 Quality control for construction of packaging.
- § 173.475 Quality control requirements prior to each shipment of Class 7 (radioactive) materials.
- § 173.476 Approval of special form Class 7 (radioactive) materials.
- § 173.477 Approval of packagings containing greater than 0.1 kg of non-fissile or fissile-excepted uranium hexafluoride.
- Appendix A to Part 173 [Reserved]
- Appendix B to Part 173—Procedure for Testing Chemical Compatibility and Rate of Permeation in Plastic Packaging and Receptacles
- Appendix C to Part 173—Procedure for Base-level Vibration Testing
- Appendix D to Part 173—Test Methods for Dynamite (Explosive, Blasting, Type A)
- Appendixes E-G to Part 173 [Reserved]
- Appendix H to Part 173—Method of Testing for Sustained Combustibility
- Appendix I to Part 173—Calculation Method