Title 49 of the US Code of Federal Regulations (49 CFR) contains all US regulations dealing with Transportation in the United States. The Title is organized into nine volumes, and the regulations it contains are authored by various components of the Departments of Transportation and Homeland Security. Most notably, 49 CFR contains the US Hazardous Material Regulations (HMR) in Parts 100-185.
| Title | Volume | Chapter | Parts | Regulator |
|---|---|---|---|---|
| 49: Transportation | 1 | 1-99 | Department of Transportation | |
| 2 | I | 100-185 | Pipeline and Hazardous Materials Safety Administration (PHMSA) | |
| 3 | 186-199 | |||
| 4 | II | 200-299 | Federal Railroad Administration (FRA) | |
| 5 | III | 300-399 | Federal Motor Carrier Safety Administration (FMCSA) | |
| 6 | IV | 400-499 | US Coast Guard | |
| V | 500-599 | National Highway Traffic Safety Administration (NHTSA) | ||
| 7 | VI | 600-699 | Federal Transit Administration | |
| VII | 700-799 | National Railroad Passenger Corporation (AMTRAK) | ||
| VIII | 800-999 | National Transportation Safety Board (NTSB) | ||
| 8 | X | 1000-1199 | Surface Transportation Board | |
| 9 | 1200-1399 | |||
| XI | 1420 | Research and Innovative Technology Administration | ||
| XII | 1500-1699 | Transportation Security Administration (TSA) |
This second volume contains regulations authored by the Department of Transportation’s Pipeline and Hazardous Materials Safety Administration dealing with the transport of oil and other hazardous materials. Most notably, Parts 171-180 comprise the US Hazmat Regulations:
- Chapter I: Pipeline and Hazardous Materials Safety Administration, Department of Transportation
- Subchapter A: Hazardous Materials and Oil Transportation
- Part 105: Hazardous Materials Program Definitions and General Procedures
- Part 106: Rulemaking Procedures
- Part 107: Hazardous Materials Program Procedures
- Part 110: Hazardous Materials Public Sector Training and Planning Grants
- Subchapter B: Oil Transportation
- Part 130: Oil Spill Prevention and Response Plans
- Subchapter C: Hazardous Materials Regulations
- Part 171: General Information, Regulations, and Definitions
- Part 172: Hazardous Materials Table, Special Provisions, Hazardous Materials Communications, Emergency Response Information, Training Requirements, and Security Plans
- Part 173: Shippers: General Requirements for Shipments and Packagings
- Part 174: Carriage by Rail
- Part 175: Carriage by Aircraft
- Part 176: Carriage by Vessel
- Part 177: Carriage by Public Highway
- Part 178: Specifications for Packagings
- Part 179: Specifications for Tank Cars
- Part 180: Continuing Qualification and Maintenance of Packagings
- Parts 181-185: [Reserved]
- Subchapter A: Hazardous Materials and Oil Transportation