| Interpretations |
Title |
| 49 CFR 173.1 |
Purpose and scope
(eCFR Regulation) |
| 49 CFR 173.2 |
Hazardous materials classes and index to hazard class definitions
(eCFR Regulation) |
| 49 CFR 173.2a |
Classification of a material having more than one hazard
(eCFR Regulation) |
| 49 CFR 173.3 |
Packaging and exceptions
(eCFR Regulation) |
| 49 CFR 173.4 |
Small quantity exceptions
(eCFR Regulation) |
| 49 CFR 173.5 |
Agricultural operations
(eCFR Regulation) |
| 49 CFR 173.5a |
Oilfield service vehicles
(eCFR Regulation) |
| 49 CFR 173.6 |
Materials of trade exceptions
(eCFR Regulation) |
| 49 CFR 173.7 |
U.S. Government material
(eCFR Regulation) |
| 49 CFR 173.8 |
Exceptions for non-specification packagings used in intrastate transportation
(eCFR Regulation) |
| 49 CFR 173.9 |
Transport vehicles or freight containers containing lading which has been fumigated
(eCFR Regulation) |
| 49 CFR 173.12 |
Exceptions for shipment of waste materials
(eCFR Regulation) |
| 49 CFR 173.13 |
Exceptions for Class 3, Divisions 4.1, 4.2, 4.3, 5.1, 6.1, and Classes 8 and 9 materials
(eCFR Regulation) |
| 49 CFR 173.21 |
Forbidden materials and packages
(eCFR Regulation) |
| 49 CFR 173.22 |
Shipper's responsibility
(eCFR Regulation) |
| 49 CFR 173.23 |
Previously authorized packaging
(eCFR Regulation) |
| 49 CFR 173.24 |
General requirements for packagings and packages
(eCFR Regulation) |
| 49 CFR 173.24a |
Additional general requirements for non-bulk packagings and packages
(eCFR Regulation) |
| 49 CFR 173.24b |
Additional general requirements for bulk packagings
(eCFR Regulation) |
| 49 CFR 173.25 |
Authorized packagings and overpacks
(eCFR Regulation) |
| 49 CFR 173.26 |
Quantity limitations
(eCFR Regulation) |
| 49 CFR 173.27 |
General requirements for transportation by aircraft
(eCFR Regulation) |
| 49 CFR 173.28 |
Reuse, reconditioning and remanufacture of packagings
(eCFR Regulation) |
| 49 CFR 173.29 |
Empty packagings
(eCFR Regulation) |
| 49 CFR 173.30 |
Loading and unloading of transport vehicles
(eCFR Regulation) |
| 49 CFR 173.31 |
Use of tank cars
(eCFR Regulation) |
| 49 CFR 173.32 |
Requirements for the use of portable tanks
(eCFR Regulation) |
| 49 CFR 173.33 |
Hazardous materials in cargo tank motor vehicles
(eCFR Regulation) |
| 49 CFR 173.35 |
Hazardous materials in IBCs
(eCFR Regulation) |
| 49 CFR 173.40 |
General packaging requirements for poisonous materials required to be packaged in cylinders
(eCFR Regulation) |
| 49 CFR 173.54 |
Forbidden explosives
(eCFR Regulation) |
| 49 CFR 173.55 |
[Reserved]
(eCFR Regulation) |
| 49 CFR 173.56 |
New explosives-definition and procedures for classification and approval
(eCFR Regulation) |
| 49 CFR 173.59 |
Description of terms for explosives
(eCFR Regulation) |
| 49 CFR 173.60 |
General packaging requirements for explosives
(eCFR Regulation) |
| 49 CFR 173.61 |
Mixed packaging requirements
(eCFR Regulation) |
| 49 CFR 173.62 |
Specific packaging requirements for explosives
(eCFR Regulation) |
| 49 CFR 173.63 |
Packaging exceptions
(eCFR Regulation) |
| 49 CFR 173.115 |
Class 2, Divisions 2.1, 2.2, and 2.3-Definitions
(eCFR Regulation) |
| 49 CFR 173.116 |
Class 2-Assignment of hazard zone
(eCFR Regulation) |
| 49 CFR 173.120 |
Class 3-Definitions
(eCFR Regulation) |
| 49 CFR 173.121 |
Class 3-Assignment of packing group
(eCFR Regulation) |
| 49 CFR 173.124 |
Class 4, Divisions 4.1, 4.2 and 4.3-Definitions
(eCFR Regulation) |
| 49 CFR 173.127 |
Class 5, Division 5.1--Definition and assignment of packing groups
(eCFR Regulation) |
| 49 CFR 173.128 |
Class 5, Division 5.2--Definitions and types
(eCFR Regulation) |
| 49 CFR 173.129 |
Class 5, Division 5.2--Assignment of packing group
(eCFR Regulation) |
| 49 CFR 173.132 |
Class 6, Division 6.1--Definitions
(eCFR Regulation) |
| 49 CFR 173.133 |
Assignment of packing group and hazard zones for Division 6.1 materials
(eCFR Regulation) |
| 49 CFR 173.134 |
Class 6, Division 6.2--Definitions and exceptions
(eCFR Regulation) |
| 49 CFR 173.136 |
Class 8-Definitions
(eCFR Regulation) |
| 49 CFR 173.137 |
Class 8-Assignment of packing group
(eCFR Regulation) |
| 49 CFR 173.140 |
Class 9-Definitions
(eCFR Regulation) |
| 49 CFR 173.144 |
Other Regulated Materials (ORM)-Definitions
(eCFR Regulation) |
| 49 CFR 173.150 |
Exceptions for Class 3 (flammable) and combustible liquids
(eCFR Regulation) |
| 49 CFR 173.151 |
Exceptions for Class 4
(eCFR Regulation) |
| 49 CFR 173.152 |
Exceptions for Division 5.1 (oxidizers) and Division 5.2 (organic peroxides)
(eCFR Regulation) |
| 49 CFR 173.153 |
Exceptions for Division 6.1 (poisonous materials)
(eCFR Regulation) |
| 49 CFR 173.154 |
Exceptions for Class 8 (corrosive materials)
(eCFR Regulation) |
| 49 CFR 173.156 |
Exceptions for ORM materials
(eCFR Regulation) |
| 49 CFR 173.158 |
Nitric acid
(eCFR Regulation) |
| 49 CFR 173.159 |
Batteries, wet
(eCFR Regulation) |
| 49 CFR 173.164 |
Mercury (metallic and articles containing mercury)
(eCFR Regulation) |
| 49 CFR 173.166 |
Air bag inflators, air bag modules and seat-belt pretensioners
(eCFR Regulation) |
| 49 CFR 173.171 |
Smokeless powder for small arms
(eCFR Regulation) |
| 49 CFR 173.173 |
Paint, paint-related material, adhesives, ink and resins
(eCFR Regulation) |
| 49 CFR 173.174 |
Refrigerating machines
(eCFR Regulation) |
| 49 CFR 173.181 |
Pyrophoric materials (liquids)
(eCFR Regulation) |
| 49 CFR 173.183 |
Nitrocellulose base film
(eCFR Regulation) |
| 49 CFR 173.185 |
Lithium batteries and cells
(eCFR Regulation) |
| 49 CFR 173.186 |
Matches
(eCFR Regulation) |
| 49 CFR 173.187 |
Pyrophoric solids, metals or alloys, n.o.s.
(eCFR Regulation) |
| 49 CFR 173.188 |
White or yellow phosphorus
(eCFR Regulation) |
| 49 CFR 173.196 |
Category A infectious substances
(eCFR Regulation) |
| 49 CFR 173.197 |
Regulated medical waste
(eCFR Regulation) |
| 49 CFR 173.199 |
Category B infectious substances
(eCFR Regulation) |
| 49 CFR 173.201 |
Non-bulk packagings for liquid hazardous materials in Packing Group I
(eCFR Regulation) |
| 49 CFR 173.202 |
Non-bulk packagings for liquid hazardous materials in Packing Group II
(eCFR Regulation) |
| 49 CFR 173.203 |
Non-bulk packagings for liquid hazardous materials in Packing Group III
(eCFR Regulation) |
| 49 CFR 173.211 |
Non-bulk packagings for solid hazardous materials in Packing Group I
(eCFR Regulation) |
| 49 CFR 173.212 |
Non-bulk packagings for solid hazardous materials in Packing Group II
(eCFR Regulation) |
| 49 CFR 173.213 |
Non-bulk packagings for solid hazardous materials in Packing Group III
(eCFR Regulation) |
| 49 CFR 173.216 |
Asbestos, blue, brown or white
(eCFR Regulation) |
| 49 CFR 173.217 |
Carbon dioxide, solid (dry ice)
(eCFR Regulation) |
| 49 CFR 173.219 |
Life-saving appliances
(eCFR Regulation) |
| 49 CFR 173.220 |
Internal combustion engines, self-propelled vehicles, and mechanical equipment containing internal combustion engines or wet batteries
(eCFR Regulation) |
| 49 CFR 173.222 |
Dangerous goods in equipment, machinery or apparatus
(eCFR Regulation) |
| 49 CFR 173.224 |
Packaging and control and emergency temperatures for self-reactive materials
(eCFR Regulation) |
| 49 CFR 173.225 |
Packaging requirements and other provisions for organic peroxides
(eCFR Regulation) |
| 49 CFR 173.226 |
Materials poisonous by inhalation, Division 6.1, Packing Group I, Hazard Zone A
(eCFR Regulation) |
| 49 CFR 173.227 |
Materials poisonous by inhalation. Division 6.1, Packing Group I, Hazard Zone B
(eCFR Regulation) |
| 49 CFR 173.240 |
Bulk packaging for certain low hazard solid materials
(eCFR Regulation) |
| 49 CFR 173.241 |
Bulk packagings for certain low hazard liquid and solid materials
(eCFR Regulation) |
| 49 CFR 173.242 |
Bulk packagings for certain medium hazard liquids and solids, including solids with dual hazards
(eCFR Regulation) |
| 49 CFR 173.243 |
Bulk packaging for certain high hazard liquids and dual hazard materials which pose a moderate hazard
(eCFR Regulation) |
| 49 CFR 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)
(eCFR Regulation) |
| 49 CFR 173.245 |
Bulk packaging for extremely hazardous materials such as poisonous gases (Division 2.3)
(eCFR Regulation) |
| 49 CFR 173.247 |
Bulk packaging for certain elevated temperature materials
(eCFR Regulation) |
| 49 CFR 173.249 |
Bromine
(eCFR Regulation) |
| 49 CFR 173.300 |
[Reserved]
(eCFR Regulation) |
| 49 CFR 173.301 |
General requirements for shipment of compressed gases in cylinders and spherical pressure vessels
(eCFR Regulation) |
| 49 CFR 173.301a |
Additional general requirements for shipment of specification cylinders
(eCFR Regulation) |
| 49 CFR 173.301b |
Additional general requirements for shipment of UN pressure receptacles
(eCFR Regulation) |
| 49 CFR 173.302 |
Filling of cylinders with nonliquefied (permanent) compressed gases
(eCFR Regulation) |
| 49 CFR 173.302a |
Additional requirements for shipment of nonliquefied (permanent) compressed gases in specification cylinders
(eCFR Regulation) |
| 49 CFR 173.302b |
Additional requirements for shipment of non-liquefied (permanent) compressed gases in UN pressure receptacles
(eCFR Regulation) |
| 49 CFR 173.303 |
Charging of cylinders with compressed gas in solution (acetylene)
(eCFR Regulation) |
| 49 CFR 173.304 |
Filling of cylinders with liquefied compressed gases
(eCFR Regulation) |
| 49 CFR 173.304a |
Additional requirements for shipment of liquefied compressed gases in specification cylinders
(eCFR Regulation) |
| 49 CFR 173.304b |
Additional requirements for shipment of liquefied compressed gases in UN pressure receptacles
(eCFR Regulation) |
| 49 CFR 173.305 |
Charging of cylinders with a mixture of compressed gas and other material
(eCFR Regulation) |
| 49 CFR 173.306 |
Limited quantities of compressed gases
(eCFR Regulation) |
| 49 CFR 173.307 |
Exceptions for compressed gases
(eCFR Regulation) |
| 49 CFR 173.308 |
Cigarette lighter or other similar device charged with fuel
(eCFR Regulation) |
| 49 CFR 173.309 |
Fire extinguishers
(eCFR Regulation) |
| 49 CFR 173.314 |
Compressed gases in tank cars and multi-unit tank cars
(eCFR Regulation) |
| 49 CFR 173.315 |
Compressed gases in cargo tanks and portable tanks
(eCFR Regulation) |
| 49 CFR 173.320 |
Cryogenic liquids; exceptions
(eCFR Regulation) |
| 49 CFR 173.322 |
Ethyl chloride
(eCFR Regulation) |
| 49 CFR 173.323 |
Ethylene oxide
(eCFR Regulation) |
| 49 CFR 173.334 |
Organic phosphates mixed with compressed gas
(eCFR Regulation) |
| 49 CFR 173.336 |
Nitrogen dioxide, liquefied, or dinitrogen tetroxide, liquefied
(eCFR Regulation) |
| 49 CFR 173.401 |
Scope
(eCFR Regulation) |
| 49 CFR 173.403 |
Definitions
(eCFR Regulation) |
| 49 CFR 173.410 |
General design requirements
(eCFR Regulation) |
| 49 CFR 173.411 |
Industrial packagings
(eCFR Regulation) |
| 49 CFR 173.412 |
Additional design requirements for Type A packages
(eCFR Regulation) |
| 49 CFR 173.415 |
Authorized Type A packages
(eCFR Regulation) |
| 49 CFR 173.416 |
Authorized Type B packages
(eCFR Regulation) |
| 49 CFR 173.417 |
Authorized fissile materials packages
(eCFR Regulation) |
| 49 CFR 173.418 |
Authorized packages-pyrophoric Class 7 (radioactive) materials
(eCFR Regulation) |
| 49 CFR 173.420 |
Uranium hexafluoride (fissile, fissile excepted and non-fissile)
(eCFR Regulation) |
| 49 CFR 173.421 |
Excepted packages for limited quantities of Class 7 (radioactive) materials
(eCFR Regulation) |
| 49 CFR 173.422 |
Additional requirements for excepted packages containing Class 7 (radioactive) materials
(eCFR Regulation) |
| 49 CFR 173.423 |
Requirements for multiple hazard limited quantity Class 7 (radioactive) materials
(eCFR Regulation) |
| 49 CFR 173.424 |
Excepted packages for radioactive instruments and articles
(eCFR Regulation) |
| 49 CFR 173.425 |
Table of activity limits-excepted quantities and articles
(eCFR Regulation) |
| 49 CFR 173.427 |
Transport requirements for low specific activity (LSA) Class 7 (radioactive) materials and surface contaminated objects (SCO)
(eCFR Regulation) |
| 49 CFR 173.428 |
Empty Class 7 (radioactive) materials packaging
(eCFR Regulation) |
| 49 CFR 173.433 |
Requirements for determining A and A values for radionuclides and for the listing of radionuclides on shipping papers and labels
(eCFR Regulation) |
| 49 CFR 173.435 |
Table of A and A values for radionuclides
(eCFR Regulation) |
| 49 CFR 173.436 |
Exempt material activity concentrations and exempt consignment activity limits for radionuclides
(eCFR Regulation) |
| 49 CFR 173.441 |
Radiation level limitations
(eCFR Regulation) |
| 49 CFR 173.443 |
Contamination control
(eCFR Regulation) |
| 49 CFR 173.448 |
General transportation requirements
(eCFR Regulation) |
| 49 CFR 173.453 |
Fissile materials-exceptions
(eCFR Regulation) |
| 49 CFR 173.457 |
Transportation of fissile material, controlled shipments-specific requirements
(eCFR Regulation) |
| 49 CFR 173.459 |
Mixing of fissile material packages
(eCFR Regulation) |
| 49 CFR 173.461 |
Demonstration of compliance with tests
(eCFR Regulation) |
| 49 CFR 173.465 |
Type A packaging tests
(eCFR Regulation) |
| 49 CFR 173.475 |
Quality control requirements prior to each shipment of Class 7 (radioactive) materials
(eCFR Regulation) |
| 49 CFR 173.476 |
Approval of special form Class 7 (radioactive) materials
(eCFR Regulation) |
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