[Code of Federal Regulations]
[Title 49, Volume 2]
[Revised as of October 1, 2004]
From the U.S. Government Printing Office via GPO Access
[CITE: 49CFR173.1]
[Page 410-414]
TITLE 49--TRANSPORTATION
CHAPTER I--RESEARCH AND SPECIAL PROGRAMS ADMINISTRATION, DEPARTMENT OF
TRANSPORTATION
PART 173_SHIPPERS_GENERAL REQUIREMENTS FOR SHIPMENTS AND PACKAGINGS--Table
of Contents
Subpart A_General
Sec. 173.1 Purpose and scope.
Subpart A_General
Sec.
173.1 Purpose and scope.
173.2 Hazardous materials 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 quantity exceptions.
173.5 Agricultural operations.
173.5a Oilfield service vehicles.
173.6 Materials of trade exceptions.
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173.7 U.S. Government material.
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.
173.12 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.
Subpart B_Preparation of Hazardous Materials for Transportation
173.21 Forbidden materials and packages.
173.22 Shipper's responsibility.
173.22a Use of packagings authorized under exemptions.
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 intermediate bulk containers (IBCs).
173.40 General packaging requirements for toxic materials packaged in
cylinders.
Subpart C_Definitions, Classification and Packaging for Class 1
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.
Subpart D_Definitions, Classification, Packing Group Assignments and
Exceptions for Hazardous Material Other Than Class 1 and Class 7
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 Class 5, Division 5.2--Assignment of packing group.
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 Other Regulated Materials (ORM)--Definitions.
173.145 Other Regulated Materials--Assignment of packing group.
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 ORM materials.
Subpart E_Non-bulk Packaging for Hazardous Materials Other Than Class 1
and Class 7
173.158 Nitric acid.
173.159 Batteries, wet.
173.160 Bombs, smoke, non-explosive (corrosive).
173.161 Chemical kits and first aid kits.
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173.162 Gallium.
173.163 Hydrogen fluoride.
173.164 Mercury (metallic and articles containing mercury).
173.166 Air bag inflators, air bag modules and seat-belt pretensioners.
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 and ink and resins.
173.174 Refrigerating machines.
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 batteries and cells.
173.186 Matches.
173.187 Pyrophoric solids, metals or alloys, n.o.s.
173.188 White or yellow phosphorous.
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 Infectious substances.
173.197 Regulated medical waste.
173.198 Nickel carbonyl.
173.199 Diagnostic specimens and used health care products.
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.
173.211 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, self-propelled vehicles, mechanical
equipment containing internal combustion engines, and battery
powered vehicles or equipment.
173.221 Polymeric beads, expandable and Plastic molding compound.
173.222 Dangerous good in equipment, machinery or apparatus.
173.223 Musk xylene.
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 pentaflouride or bromine trifluoride.
173.229 Chloric acid solution or chlorine dioxide hydrate, frozen.
Subpart F_Bulk Packaging for Hazardous Materials Other Than Class 1 and
Class 7
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.
Subpart G_Gases; Preparation and Packaging
173.300 [Reserved]
173.301 General requirements for shipment of compressed gases in
cylinders and spherical pressure vessels.
173.301a Additional general requirements for shipment of specification
cylinders.
173.301b [Reserved]
173.302 Filling of cylinders with nonliquefied (permanent) compressed
gases.
173.302a Additional requirements for shipment nonliquefied (permanent)
compressed gases in specification cylinders.
173.302b [Reserved]
173.303 Charging of cylinders with compressed gas in solution
(acetylene).
173.304 Filling of cylinders with liquefied compressed gases.
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173.304a Additional requirements for shipment of liquefied compressed
gases in specification cylinders.
173.304b [Reserved]
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 Cigarette lighter or other similar device charged with fuel.
173.309 Fire extinguishers.
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 Gas generator assemblies.
173.336 Nitrogen dioxide, liquefied, or dinitrogen tetroxide, liquefied.
173.337 Nitric oxide.
173.338 Tungsten hexafluoride.
173.340 Tear gas devices.
Subpart H [Reserved]
Subpart I-Class 7 (Radioactive) Materials
173.401 Scope.
173.403 Definitions.
173.410 General design requirements.
173.411 Industrial packagings.
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) materials 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.
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Subparts J-O [Reserved]
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
Authority: 49 U.S.C. 5101-5127, 44701; 49 CFR 1.45, 1.53.
(a) This part includes:
(1) Definitions of hazardous materials for transportation purposes;
(2) Requirements to be observed in preparing hazardous materials for
shipment by air, highway, rail, or water, or any combination thereof;
and
(3) Inspection, testing, and retesting responsibilities for persons
who retest, recondition, maintain, repair and rebuild containers used or
intended for use in the transportation of hazardous materials.
(b) A shipment of hazardous materials that is not prepared in
accordance with this subchapter may not be offered for transportation by
air, highway, rail, or water. It is the responsibility of each hazmat
employer subject to the requirements of this subchapter to ensure that
each hazmat employee is trained in accordance with the requirements
prescribed in this subchapter. It is the duty of each person who offers
hazardous materials for transportation to instruct each of his officers,
agents, and employees having any responsibility for preparing hazardous
materials for shipment as to applicable regulations in this subchapter.
(c) When a person other than the person preparing a hazardous
material for shipment performs a function required by this part, that
person shall perform the function in accordance with this part.
(d) In general, the Hazardous Materials Regulations (HMR) contained
in this subchapter are based on the UN Recommendations and are
consistent with international regulations issued by the International
Civil Aviation Organization (ICAO Technical Instructions) and the
International Maritime Organization (IMDG Code). However, the HMR are
not consistent in all respects with the UN Recommendations, the ICAO
Technical Instructions or the IMDG Code, and compliance with the HMR
will not guarantee acceptance by regulatory bodies outside of the United
States.
[Amdt. 173-94, 41 FR 16062, Apr. 15, 1976, as amended by Amdt. 173-100,
41 FR 40476, Sept. 20, 1976; Amdt. 173-161, 48 FR 2655, Jan. 20, 1983;
Amdt. 173-224, 55 FR 52606, Dec. 21, 1990; Amdt. 173-231, 57 FR 20953,
May 15, 1992; 64 FR 10776, Mar. 5, 1999]
Effective Date Note: At 68 FR 61941, Oct. 30, 2003, Sec. 173.1 was
amended by removing paragraph (c) and redesignating paragraph (d) as new
paragraph (c), effective Oct. 1, 2004. At 69 FR 30588, May 28, 2004, the
effective date was delayed until Jan. 1, 2005.