Interpretations Browser
- § 105.5
Definitions - § 105.40
Designated agents for non-residents - § 106.95
Requesting a change to the regulations - § 106.100
Required information for a petition for rulemaking - § 106.105
PHMSA response to a petition for rulemaking - § 106.130
PHMSA response to an appeal - § 107.1
Definitions - § 107.105
Application for special permit - § 107.107
Application for party status - § 107.109
Application for renewal - § 107.201
Purpose and scope - § 107.202
Standards for determining preemption - § 107.203
Application - § 107.205
Notice - § 107.211
Petition for reconsideration - § 107.305
Investigations - § 107.307
General - § 107.333
Criminal penalties generally - § 107.401
Purpose and scope - § 107.402
Application for designation as a certification agency - § 107.501
Scope - § 107.502
General registration requirements - § 107.504
Period of registration, updates, and record retention - § 107.601
Applicability - § 107.606
Exceptions - § 107.608
General registration requirements - § 107.705
Registrations, reports, and applications for approval - § 107.709
Processing of an application for approval, including an application for renewal or modification - § 107.713
Approval modification, suspension or termination - § 107.801
Purpose and scope - § 107.805
Approval of cylinder and pressure receptacle requalifiers - § 130.5
Definitions - § 171.1
Applicability of Hazardous Materials Regulations (HMR) to persons and functions - § 171.2
General requirements - § 171.3
Hazardous waste - § 171.4
Marine pollutants - § 171.6
Control numbers under the Paperwork Reduction Act - § 171.7
Reference material - § 171.8
Definitions and abbreviations - § 171.9
Rules of construction - § 171.10
Units of measure - § 171.12
North American Shipments - § 171.15
Immediate notice of certain hazardous materials incidents - § 171.16
Detailed hazardous materials incident reports - § 171.22
Authorization and conditions for the use of international standards and regulations - § 171.23
Requirements for specific materials and packagings transported under the ICAO Technical Instructions, IMDG Code, Transport Canada TDG Regulations, or the IAEA Regulations - § 171.24
Additional requirements for the use of the ICAO Technical Instructions - § 171.25
Additional requirements for the use of the IMDG Code - § 171.26
Additional requirements for the use of the IAEA Regulations - § 172.3
Applicability - § 172.101
Purpose and use of hazardous materials table - § 172.102
Special provisions - § 172.200
Applicability - § 172.201
Preparation and retention of shipping papers - § 172.202
Description of hazardous material on shipping papers - § 172.203
Additional description requirements - § 172.204
Shipper's certification - § 172.205
Hazardous waste manifest - § 172.300
Applicability - § 172.301
General marking requirements for non-bulk packagings - § 172.302
General marking requirements for bulk packagings. - § 172.303
Prohibited marking - § 172.304
Marking requirements - § 172.310
Class 7 (radioactive) materials - § 172.312
Liquid hazardous materials in non-bulk packagings - § 172.313
Poisonous hazardous materials - § 172.315
Limited quantities - § 172.316
Packagings containing materials classed as ORM-D - § 172.322
Marine pollutants - § 172.323
Infectious substances - § 172.324
Hazardous substances in non-bulk packagings - § 172.325
Elevated temperature materials - § 172.326
Portable tanks - § 172.327
Petroleum sour crude oil in bulk packaging - § 172.328
Cargo tanks - § 172.330
Tank cars and multi-unit tank car tanks - § 172.331
Bulk packagings other than portable tanks, cargo tanks, tank cars and multi-unit tank car tanks - § 172.332
Identification number markings - § 172.334
Identification numbers; prohibited display - § 172.336
Identification numbers; special provisions - § 172.338
Replacement of identification numbers - § 172.400
General labeling requirements - § 172.400a
Exceptions from labeling - § 172.401
Prohibited labeling - § 172.402
Additional labeling requirements - § 172.403
Class 7 (radioactive) material - § 172.405
Authorized label modifications - § 172.406
Placement of labels - § 172.407
Label specifications - § 172.411
EXPLOSIVE 1.1, 1.2, 1.3, 1.4, 1.5 and 1.6 labels, and EXPLOSIVE Subsidiary label - § 172.415
NON-FLAMMABLE GAS label - § 172.417
FLAMMABLE GAS label - § 172.419
FLAMMABLE LIQUID label - § 172.423
DANGEROUS WHEN WET label - § 172.427
ORGANIC PEROXIDE label - § 172.429
POISON INHALATION HAZARD label - § 172.432
INFECTIOUS SUBSTANCE label - § 172.442
CORROSIVE label - § 172.446
CLASS 9 label - § 172.447
LITHIUM BATTERY label - § 172.448
CARGO AIRCRAFT ONLY label - § 172.500
Applicability of placarding requirements - § 172.502
Prohibited and permissive placarding - § 172.503
Identification number display on placards - § 172.504
General placarding requirements - § 172.505
Placarding for subsidiary hazards - § 172.506
Providing and affixing placards: Highway - § 172.508
Placarding and affixing placards: Rail - § 172.510
Special placarding provisions: Rail - § 172.512
Freight containers and aircraft unit load devices - § 172.514
Bulk packagings - § 172.516
Visibility and display of placards - § 172.519
General specifications for placards - § 172.522
EXPLOSIVES 1.1, EXPLOSIVES 1.2 and EXPLOSIVES 1.3 placards - § 172.532
FLAMMABLE GAS placard - § 172.540
POISON GAS placard - § 172.542
FLAMMABLE placard - § 172.544
COMBUSTIBLE placard - § 172.550
OXIDIZER placard - § 172.555
POISON INHALATION HAZARD placard - § 172.556
RADIOACTIVE placard - § 172.558
CORROSIVE placard - § 172.560
CLASS 9 placard - § 172.600
Applicability and general requirements - § 172.602
Emergency response information - § 172.604
Emergency response telephone number - § 172.606
Carrier information contact - § 172.700
Purpose and scope - § 172.701
Federal-State relationship - § 172.702
Applicability and responsibility for training and testing - § 172.704
Training requirements - § 172.800
Purpose and applicability - § 172.802
Components of a security plan - § 172.804
Relationship to other Federal requirements - § 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 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 - § 173.6
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 - § 173.21
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 - § 173.35
Hazardous materials in IBCs - § 173.36
Hazardous materials in Large Packagings - § 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 - § 173.52
Classification codes and compatibility groups of explosives - § 173.54
Forbidden explosives - § 173.56
New explosives-definition and procedures for classification and approval - § 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 1.4G consumer fireworks - § 173.66
Requirements for bulk packagings of certain explosives and oxidizers - § 173.115
Class 2, Divisions 2.1, 2.2, and 2.3-Definitions - § 173.116
Class 2-Assignment of hazard zone - § 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 - § 173.132
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 Material (ORM)-Definitions - § 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 and ORM - § 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 - § 173.164
Mercury (metallic and articles containing mercury) - § 173.166
Safety devices - § 173.167
Consumer commodities - § 173.168
Chemical oxygen generators - § 173.170
Black powder for small arms - § 173.171
Smokeless powder for small arms - § 173.173
Paint, paint-related material, adhesives, ink and resins. - § 173.176
Capacitors - § 173.181
Pyrophoric materials (liquids) - § 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 - § 173.196
Category A infectious substances - § 173.197
Regulated medical waste - § 173.199
Category B infectious substances - § 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 - § 173.206
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 - § 173.216
Asbestos, blue, brown or white - § 173.217
Carbon dioxide, solid (dry ice) - § 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 - § 173.222
Dangerous goods in equipment, 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 - § 173.240
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). - § 173.247
Bulk packaging for certain elevated temperature materials - § 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 nonliquefied (permanent) compressed gases in specification cylinders - § 173.302b
Additional requirements for shipment of non-liquefied (permanent) compressed 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 - § 173.306
Limited quantities of compressed gases - § 173.307
Exceptions for compressed gases - § 173.308
Lighters - § 173.309
Fire extinguishers - § 173.310
Exceptions for radiation detectors - § 173.312
Requirements for shipment of MEGCs - § 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 - § 173.319
Cryogenic liquids in tank cars - § 173.320
Cryogenic liquids; exceptions - § 173.322
Ethyl chloride - § 173.334
Organic phosphates mixed with compressed gas - § 173.336
Nitrogen dioxide, liquefied, or dinitrogen tetroxide, liquefied - § 173.401
Scope - § 173.403
Definitions - § 173.410
General design requirements - § 173.411
Industrial packages - § 173.412
Additional design requirements for Type A packages - § 173.415
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 - § 173.421
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 - § 173.433
Requirements for determining basic radionuclide values, and for the listing of radionuclides on shipping papers and labels - § 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 - § 173.443
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 - § 173.465
Type A packaging tests - § 173.467
Tests for demonstrating the ability of Type B and fissile materials packagings to withstand accident conditions in transportation - § 173.469
Tests for special form Class 7 (radioactive) materials - § 173.475
Quality control requirements prior to each shipment of Class 7 (radioactive) materials - § 173.476
Approval of special form Class 7 (radioactive) materials - § 174.1
Purpose and scope - § 174.9
Safety and security inspection and acceptance - § 174.14
Movements to be expedited - § 174.24
Shipping papers - § 174.26
Notice to train crews - § 174.31
Requirements for the operation of high-hazard flammable trains - § 174.55
General requirements - § 174.57
Cleaning cars - § 174.63
Portable tanks, IM portable tanks, IBCs, Large Packagings, cargo tanks, and multi-unit tank car tanks - § 174.67
Tank car unloading - § 174.81
Segregation of hazardous materials - § 174.85
Position in train of placarded cars, transport vehicles, freight containers, and bulk packagings - § 174.101
Loading Class 1 (explosive) materials - § 174.104
Division 1.1 or 1.2 (explosive) materials; car selection, preparation, inspection, and certification - § 174.204
Tank car delivery of gases, including cryogenic liquids - § 174.304
Class 3 (flammable liquid) materials in tank cars - § 174.750
Incidents involving leakage - § 175.1
Purpose, scope and applicability - § 175.8
Exceptions for operator equipment and items of replacement - § 175.9
Special aircraft operations - § 175.10
Exceptions for passengers, crewmembers, and air operators - § 175.25
Passenger notification system - § 175.26
Notification at cargo facilities of hazardous materials requirements - § 175.30
Inspecting shipments - § 175.31
Reports of discrepancies - § 175.33
Shipping paper and notification of pilot-in-command - § 175.75
Quantity limitations and cargo location - § 175.78
Stowage compatibility of cargo - § 175.501
Special requirements for oxidizers and compressed oxygen - § 175.700
Special limitations and requirements for Class 7 materials - § 175.705
Radioactive contamination - § 176.1
Purpose and scope - § 176.3
Unacceptable hazardous materials shipments - § 176.5
Application to vessels - § 176.27
Certificate - § 176.30
Dangerous cargo manifest - § 176.65
Alternative stowage procedures - § 176.69
General stowage requirements for hazardous materials - § 176.76
Transport vehicles, freight containers, and portable tanks containing hazardous materials - § 176.80
Applicability - § 176.83
Segregation - § 176.84
Other requirements for stowage, cargo handling, and segregation for cargo vessels and passenger vessels - § 176.88
Applicability - § 176.89
Control of transport vehicles - § 176.90
Private automobiles - § 176.116
General stowage conditions for Class 1 (explosive) materials - § 176.118
Electrical requirement - § 176.140
Segregation from other classes of hazardous materials - § 176.144
Segregation of Class 1 (explosive) materials - § 176.170
Transport of Class 1 (explosive) materials in freight containers - § 176.172
Structural serviceability of freight containers and vehicles carrying Class 1 (explosive) materials on ships - § 176.200
General stowage requirements - § 176.305
General stowage requirements - § 176.340
Combustible liquids in portable tanks - § 176.400
Stowage of Division 1.5, Class 4 (flammable solids) and Class 5 (oxidizers and organic peroxides) materials - § 176.410
Division 1.5 materials, ammonium nitrate and ammonium nitrate mixtures - § 176.415
Permit requirements for Division 1.5, ammonium nitrates, and certain ammonium nitrate fertilizers - § 176.704
Requirements relating to transport indices and criticality safety indices - § 176.708
Segregation distances - § 176.905
Vehicles having refrigerating or heating equipment - § 176.906
Stowage of engines and machinery - § 176.907
Polymeric Beads and Plastic Molding Compounds - § 177.800
Purpose and scope of this part and responsibility for compliance and training - § 177.802
Inspection - § 177.804
Compliance with Federal Motor Carrier Safety Regulations - § 177.810
Vehicular tunnels - § 177.816
Driver training - § 177.817
Shipping papers - § 177.823
Movement of motor vehicles in emergency situations - § 177.834
General requirements - § 177.835
Class 1 materials - § 177.837
Class 3 materials - § 177.838
Class 4 (flammable solid) materials, Class 5 (oxidizing) materials, and Division 4.2 (self-heating and pyrophoric liquid) materials - § 177.840
Class 2 (gases) materials - § 177.841
Division 6.1 and Division 2.3 materials - § 177.842
Class 7 (radioactive) material - § 177.843
Contamination of vehicles - § 177.848
Segregation of hazardous materials - § 177.854
Disabled vehicles and broken or leaking packages; repairs - § 178.33
Specification 2P; inner nonrefillable metal receptacles - § 178.33-7
Wall thickness - § 178.33-9
Marking - § 178.33a
Specification 2Q; inner nonrefillable metal receptacles - § 178.33a-8
Tests - § 178.33b-5
Material - § 178.33b-7
Design qualification test - § 178.33b-9
Marking - § 178.35
General requirements for specification cylinders - § 178.36
Specification 3A and 3AX seamless steel cylinders - § 178.37
Specification 3AA and 3AAX seamless steel cylinders - § 178.42
Specification 3E seamless steel cylinders - § 178.45
Specification 3T seamless steel cylinder - § 178.46
Specification 3AL seamless aluminum cylinders - § 178.47
Specification 4DS welded stainless steel cylinders for aircraft use - § 178.50
Specification 4B welded or brazed steel cylinders - § 178.51
Specification 4BA welded or brazed steel cylinders - § 178.53
Specification 4D welded steel cylinders for aircraft use - § 178.55
Specification 4B240ET welded or brazed cylinders - § 178.57
Specification 4L welded insulated cylinders - § 178.60
Specification 8AL steel cylinders with porous fillings for acetylene - § 178.61
Specification 4BW welded steel cylinders with electric-arc welded longitudinal seam - § 178.65
Specification 39 non-reusable (non-refillable) cylinders - § 178.68
Specification 4E welded aluminum cylinders - § 178.69
Responsibilities and requirements for manufacturers of UN pressure receptacles - § 178.70
Approval of UN pressure receptacles - § 178.71
Specifications for UN pressure receptacles - § 178.74
Approval of MEGCs - § 178.75
Specifications for MEGCs - § 178.81
Drop test - § 178.273
Approval of Specification UN portable tanks - § 178.274
Specifications for UN portable tanks - § 178.275
Specification for UN Portable Tanks intended for the transportation of liquid and solid hazardous materials - § 178.277
Requirements for the design, construction, inspection and testing of portable tanks intended for the transportation of refrigerated liquefied gases - § 178.320
General requirements applicable to all DOT specification cargo tank motor vehicles - § 178.337
Specification MC 331; cargo tank motor vehicle primarily for transportation of compressed gases as defined in subpart G of part 173 of this subchapter - § 178.337-1
General requirements - § 178.337-3
Structural integrity - § 178.337-8
Openings, inlets, and outlets - § 178.337-9
Pressure relief devices, piping, valves, hoses, and fittings - § 178.337-10
Accident damage protection - § 178.337-11
Accident damage protection - § 178.337-16
Testing - § 178.337-17
Marking - § 178.337-18
Certification - § 178.338-10
Accident damage protection - § 178.338-16
Inspection and testing - § 178.345
General design and construction requirements applicable to Specification DOT 406 (178.346), DOT 407 (178.347), and DOT 412 (178.348) cargo tank motor vehicles - § 178.345-1
General requirements - § 178.345-2
Material and material thickness - § 178.345-3
Structural integrity - § 178.345-5
Manhole assemblies - § 178.345-7
Circumferential reinforcements - § 178.345-8
Accident damage protection - § 178.345-9
Pumps, piping, hoses and connections - § 178.345-10
Pressure relief - § 178.345-11
Tank outlets - § 178.345-14
Marking - § 178.345-15
Certification - § 178.346-3
Pressure relief - § 178.347
Specification DOT 407; cargo tank motor vehicle - § 178.347-1
General requirements - § 178.347-4
Pressure relief - § 178.347-5
Pressure and leakage test - § 178.348
Specification DOT 412; cargo tank motor vehicle - § 178.348-1
General requirements - § 178.350
Specification 7A; general packaging, Type A. - § 178.500
Purpose, scope and definitions - § 178.503
Marking of packagings - § 178.504
Standards for steel drums - § 178.508
Standards for fiber drums - § 178.509
Standards for plastic drums and jerricans - § 178.512
Standards for steel, aluminum or other metal boxes - § 178.513
Standards for boxes of natural wood - § 178.514
Standards for plywood boxes - § 178.516
Standards for fiberboard boxes - § 178.521
Standards for paper bags - § 178.522
Standards for composite packagings with inner plastic receptacles - § 178.523
Standards for composite packagings with inner glass, porcelain, or stoneware receptacles - § 178.601
General requirements - § 178.602
Preparation of packagings and packages for testing - § 178.603
Drop test - § 178.604
Leakproofness test - § 178.605
Hydrostatic pressure test - § 178.606
Stacking test - § 178.608
Vibration standard - § 178.609
Test requirements for packagings for infectious substances - § 178.700
Purpose, scope and definitions - § 178.702
IBC codes - § 178.703
Marking of IBCs - § 178.704
General IBC standards - § 178.705
Standards for metal IBCs - § 178.706
Standards for rigid plastic IBCs - § 178.707
Standards for composite IBCs - § 178.710
Standards for flexible IBCs - § 178.801
General requirements - § 178.803
Testing and certification of IBCs - § 178.813
Leakproofness test - § 178.814
Hydrostatic pressure test - § 178.815
Stacking test - § 178.819
Vibration test - § 178.920
Standards for metal Large Packagings - § 178.955
General requirements - § 178.965
Drop test - § 178.980
Stacking test - § 179.1
General - § 179.2
Definitions and abbreviations - § 179.3
Procedure for securing approval - § 179.4
Changes in specifications for tank cars - § 179.5
Certificate of construction - § 179.6
Repairs and alterations - § 179.7
Quality assurance program - § 179.13
Tank car capacity and gross weight limitation - § 179.15
Pressure relief devices - § 179.16
Tank-head puncture-resistance systems - § 179.18
Thermal protection systems - § 179.22
Marking - § 179.24
Stamping - § 179.100-4
Insulation - § 179.100-13
Venting, loading and unloading valves, measuring and sampling devices - § 179.200
General specifications applicable to non-pressure tank car tanks (Class DOT-111, DOT-117 - § 179.200-4
Insulation - § 179.200-7
Materials - § 179.200-16
Gauging devices, top loading and unloading devices, venting and air inlet devices - § 179.200-17
Bottom outlets - § 179.201-1
Individual specification requirements - § 179.202-1
Applicability - § 179.202-11
Individual specification requirements - § 179.202-12
Performance standard requirements (DOT-117P) - § 179.202-13
Retrofit standard requirements (DOT-117R) - § 180.1
Purpose and scope - § 180.3
General requirements - § 180.203
Definitions - § 180.205
General requirements for requalification of specification cylinders - § 180.207
Requirements for requalification of UN pressure receptacles - § 180.209
Requirements for requalification of specification cylinders - § 180.211
Repair, rebuilding and reheat treatment of DOT-4 series specification cylinders - § 180.212
Repair of seamless DOT 3-series specification cylinders and seamless UN pressure receptacles - § 180.213
Requalification markings - § 180.215
Reporting and record retention requirements - § 180.350
Applicability and definitions - § 180.352
Requirements for retest and inspection of IBCs - § 180.401
Applicability - § 180.403
Definitions - § 180.405
Qualification of cargo tanks - § 180.407
Requirements for test and inspection of specification cargo tanks - § 180.409
Minimum qualifications for inspectors and testers - § 180.411
Acceptable results of tests and inspections - § 180.413
Repair, modification, stretching, rebarrelling, or mounting of specification cargo tanks - § 180.415
Test and inspection markings - § 180.416
Discharge system inspection and maintenance program for cargo tanks transporting liquefied compressed gases - § 180.417
Reporting and record retention requirements - § 180.503
Definitions - § 180.509
Requirements for inspection and test of specification tank cars - § 180.511
Acceptable results of inspections and tests - § 180.513
Repairs, alterations, conversions, and modifications - § 180.519
Periodic retest and inspection of tank cars other than single-unit tank car tanks - § 180.605
Requirements for periodic testing, inspection and repair of portable tanks - § 190.9
Petitions for finding or approval - § 191.1
Scope - § 191.3
Definitions - § 191.5
Immediate notice of certain incidents - § 191.7
Report submission requirements - § 191.9
Distribution system: Incident report - § 191.11
Distribution system: Annual report - § 191.13
Distribution systems reporting transmission pipelines; transmission or gathering systems reporting distribution pipelines - § 192.1
What is the scope of this part? - § 192.3
Definitions - § 192.5
Class locations - § 192.7
What documents are incorporated by reference partly or wholly in this part? - § 192.8
How are onshore gathering lines and regulated onshore gathering lines determined? - § 192.11
Petroleum gas systems - § 192.13
What general requirements apply to pipelines regulated under this part? - § 192.14
Conversion to service subject to this part - § 192.15
Rules of regulatory construction - § 192.16
Customer notification - § 192.53
General - § 192.55
Steel pipe - § 192.59
Plastic pipe - § 192.63
Marking of materials - § 192.65
Transportation of pipe - § 192.103
General - § 192.105
Design formula for steel pipe - § 192.107
Yield strength (S) for steel pipe - § 192.109
Nominal wall thickness (t) for steel pipe - § 192.111
Design factor (F) for steel pipe - § 192.112
Additional design requirements for steel pipe using alternative maximum allowable operating pressure - § 192.113
Longitudinal joint factor (E) for steel pipe - § 192.121
Design of plastic pipe - § 192.123
Design limitations for plastic pipe - § 192.143
General requirements - § 192.145
Valves - § 192.147
Flanges and flange accessories - § 192.149
Standard fittings - § 192.153
Components fabricated by welding - § 192.161
Supports and anchors - § 192.167
Compressor stations: Emergency shutdown - § 192.175
Pipe-type and bottle-type holders - § 192.177
Additional provisions for bottle-type holders - § 192.179
Transmission line valves - § 192.181
Distribution line valves - § 192.187
Vaults: Sealing, venting, and ventilation - § 192.191
Design pressure of plastic fittings - § 192.195
Protection against accidental overpressuring - § 192.197
Control of the pressure of gas delivered from high-pressure distribution systems - § 192.199
Requirements for design of pressure relief and limiting devices - § 192.201
Required capacity of pressure relieving and limiting stations - § 192.203
Instrument, control, and sampling pipe and components - § 192.221
Scope - § 192.225
Welding procedures - § 192.227
Qualification of welders and welding operators - § 192.229
Limitations on welders and welding operators - § 192.241
Inspection and test of welds - § 192.243
Nondestructive testing - § 192.245
Repair or removal of defects - § 192.271
Scope - § 192.273
General - § 192.281
Plastic pipe - § 192.283
Plastic pipe: Qualifying joining procedures - § 192.285
Plastic pipe: Qualifying persons to make joints. - § 192.301
Scope - § 192.305
Inspection: General - § 192.309
Repair of steel pipe - § 192.311
Repair of plastic pipe - § 192.317
Protection from hazards - § 192.319
Installation of pipe in a ditch - § 192.321
Installation of plastic pipe - § 192.323
Casing - § 192.325
Underground clearance - § 192.327
Cover - § 192.355
Customer meters and regulators: Protection from damage - § 192.357
Customer meters and regulators: Installation - § 192.359
Customer meter installations: Operating pressure - § 192.361
Service lines: Installation - § 192.363
Service lines: Valve requirements - § 192.365
Service lines: Location of valves - § 192.371
Service lines: Steel - § 192.375
Service lines: Plastic - § 192.379
New service lines not in use - § 192.381
Service lines: Excess flow valve performance standards - § 192.383
Excess flow valve installation - § 192.451
Scope - § 192.453
General - § 192.455
External corrosion control: Buried or submerged pipelines installed after July 31, 1971 - § 192.457
External corrosion control: Buried or submerged pipelines installed before August 1, 1971 - § 192.459
External corrosion control: Examination of buried pipeline when exposed - § 192.461
External corrosion control: Protective coating - § 192.463
External corrosion control: Cathodic protection - § 192.465
External corrosion control: Monitoring - § 192.467
External corrosion control: Electrical isolation - § 192.469
External corrosion control: Test stations - § 192.475
Internal corrosion control: General - § 192.479
Atmospheric corrosion control: General - § 192.481
Atmospheric corrosion control: Monitoring - § 192.483
Remedial measures: General - § 192.485
Remedial measures: Transmission lines - § 192.487
Remedial measures: Distribution lines other than cast iron or ductile iron lines - § 192.491
Corrosion control records - § 192.501
Scope - § 192.503
General requirements - § 192.505
Strength test requirements for steel pipeline to operate at a hoop stress of 30 percent or more of SMYS - § 192.507
Test requirements for pipelines to operate at a hoop stress less than 30 percent of SMYS and at or above 100 p.s.i. (689 kPa) gage - § 192.509
Test requirements for pipelines to operate below 100 p.s.i. (689 kPa) gage - § 192.511
Test requirements for service lines - § 192.513
Test requirements for plastic pipelines - § 192.515
Environmental protection and safety requirements - § 192.517
Records - § 192.551
Scope - § 192.553
General requirements - § 192.555
Uprating to a pressure that will produce a hoop stress of 30 percent or more of SMYS in steel pipelines - § 192.557
Uprating: Steel pipelines to a pressure that will produce a hoop stress less than 30 percent of SMYS: plastic, cast iron, and ductile iron pipelines - § 192.603
General provisions - § 192.605
Procedural manual for operations, maintenance, and emergencies - § 192.609
Change in class location: Required study - § 192.611
Change in class location: Confirmation or revision of maximum allowable operating pressure - § 192.612
Underwater inspection and reburial of pipelines in the Gulf of Mexico and its inlets - § 192.613
Continuing surveillance - § 192.614
Damage prevention program - § 192.615
Emergency plans - § 192.616
Public awareness - § 192.617
Investigation of failures - § 192.619
Maximum allowable operating pressure: Steel or plastic pipelines - § 192.620
Alternative maximum allowable operating pressure for certain steel pipelines - § 192.621
Maximum allowable operating pressure: High-pressure distribution systems - § 192.623
Maximum and minimum allowable operating pressure; Low-pressure distribution systems - § 192.625
Odorization of gas - § 192.631
Control room management - § 192.701
Scope - § 192.703
General - § 192.705
Transmission lines: Patrolling - § 192.706
Transmission lines: Leakage surveys - § 192.707
Line markers for mains and transmission lines - § 192.709
Transmission lines: Record keeping - § 192.713
Transmission lines: Permanent field repair of imperfections and damages - § 192.715
Transmission lines: Permanent field repair of welds - § 192.717
Transmission lines: Permanent field repair of leaks - § 192.719
Transmission lines: Testing of repairs - § 192.721
Distribution systems: Patrolling - § 192.723
Distribution systems: Leakage surveys - § 192.725
Test requirements for reinstating service lines - § 192.727
Abandonment or deactivation of facilities - § 192.731
Compressor stations: Inspection and testing of relief devices - § 192.735
Compressor stations: Storage of combustible materials - § 192.739
Pressure limiting and regulating stations: Inspection and testing - § 192.740
Pressure regulating, limiting, and overpressure protection-Individual service lines directly connected to production, gathering, or transmission pipelines - § 192.741
Pressure limiting and regulating stations: Telemetering or recording gauges - § 192.743
Pressure limiting and regulating stations: Capacity of relief devices - § 192.747
Valve maintenance: Distribution systems - § 192.753
Caulked bell and spigot joints - § 192.755
Protecting cast-iron pipelines - § 192.801
Scope - § 192.807
Recordkeeping - § 192.903
What definitions apply to this subpart? - § 192.917
How does an operator identify potential threats to pipeline integrity and use the threat identification in its integrity program? - § 192.939
What are the required reassessment intervals? - § 192.1013
When may an operator deviate from required periodic inspections under this part? - § 193.2001
Scope of part - § 193.2005
Applicability - § 193.2007
Definitions - § 193.2013
What documents are incorporated by reference partly or wholly in this part? - § 193.2051
Scope - § 193.2057
Thermal radiation protection - § 193.2059
Flammable vapor-gas dispersion protection - § 193.2067
Wind forces - § 193.2161
Dikes, general - § 193.2167
Covered systems - § 193.2181
Impoundment capacity: LNG storage tanks - § 193.2303
Construction acceptance - § 193.2401
Scope - § 193.2441
Control center - § 193.2513
Transfer procedures - § 193.2621
Testing transfer hoses - § 193.2707
Operations and maintenance - § 194.1
Purpose - § 194.3
Applicability - § 194.101
Operators required to submit plans - § 194.105
Worst case discharge - § 195.1
Which pipelines are covered by this Part? - § 195.2
Definitions - § 195.3
What documents are incorporated by reference partly or wholly in this part? - § 195.4
Compatibility necessary for transportation of hazardous liquids or carbon dioxide - § 195.5
Conversion to service subject to this part - § 195.6
Unusually Sensitive Areas (USAs) - § 195.8
Transportation of hazardous liquid or carbon dioxide in pipelines constructed with other than steel pipe - § 195.11
What is a regulated rural gathering line and what requirements apply? - § 195.12
What requirements apply to low-stress pipelines in rural areas? - § 195.50
Reporting accidents - § 195.54
Accident reports - § 195.59
Abandonment or deactivation of facilities - § 195.102
Design temperature - § 195.106
Internal design pressure - § 195.110
External loads - § 195.112
New pipe - § 195.116
Valves - § 195.120
Passage of In-Line Inspection tools - § 195.124
Closures - § 195.200
Scope - § 195.204
Inspection-general - § 195.208
Welding of supports and braces - § 195.210
Pipelines location - § 195.212
Bending of pipe - § 195.214
Welding procedures - § 195.228
Welds and welding inspection: Standards of acceptability - § 195.246
Installation of pipe in a ditch - § 195.248
Cover over buried pipeline - § 195.250
Clearance between pipe and underground structures - § 195.260
Valves: Location - § 195.262
Pumping equipment - § 195.300
Scope - § 195.302
General requirements - § 195.304
Test pressure - § 195.306
Test medium - § 195.308
Testing of tie-ins - § 195.310
Records - § 195.401
General requirements - § 195.402
Procedural manual for operations, maintenance, and emergencies - § 195.404
Maps and records - § 195.406
Maximum operating pressure - § 195.410
Line markers - § 195.412
Inspection of rights-of-way and crossings under navigable waters - § 195.413
Underwater inspection and reburial of pipelines in the Gulf of Mexico and its inlets - § 195.422
Pipeline repairs - § 195.424
Pipe movement - § 195.426
Scraper and sphere facilities - § 195.432
Inspection of in-service breakout tanks - § 195.436
Security of facilities - § 195.442
Damage prevention program - § 195.446
Control room management - § 195.452
Pipelines integrity management in high consequence areas - § 195.501
Scope - § 195.507
Recordkeeping - § 195.553
What special definitions apply to this subpart? - § 195.563
Which pipelines must have cathodic protection? - § 195.567
Which pipelines must have test leads and what must I do to install and maintain the leads? - § 195.585
What must I do to correct corroded pipe? - § 195.0
Scope - § 199.1
Scope - § 199.2
Applicability - § 199.3
Definitions - § 199.7
Stand-down waivers - § 199.9
Preemption of State and local laws - § 199.101
Anti-drug plan - § 199.115
Contractor employees - § 199.243
Referral, evaluation, and treatment
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