Relationship to Federal Regulations - California

California has incorporated by reference portions of the federal Hazardous Materials Regulations (HMR), Title 49, Code of Federal Regulations (CFR), Parts 107 and 171-180, as well as Part 393 relating to rear-end protection for tank vehicles as referenced in Part 178. Portions of Parts 174 and 179 apply where specifically referenced within Parts 173, 177, and 178. These regulations apply to trucks and combinations of vehicles transporting hazardous materials in both interstate and intrastate commerce.

Additionally, carriers, drivers, and vehicles engaged in the transportation of hazardous substances or hazardous wastes are subject to selected Federal Motor Carrier Safety Regulations, including Sections 392.16, 392.42, 392.60, 393.86, 393.93, 396.11, 396.13, 396.17, 397.17, 397.19, and 397.67, as adopted and amended by California.

Title 13 of the California Code of Regulations establishes requirements applicable to both interstate and intrastate transportation of hazardous materials and incorporates applicable federal hazardous materials transportation regulations.

The California Division of Occupational Safety and Health (Cal/OSHA) has regulations governing the transportation of liquefied petroleum gas (LPG) in pressure vessels. These regulations generally do not apply to pressure vessels having a capacity of 125 gallons or less, or to portable tanks and cylinders used, inspected, and maintained in accordance with applicable Department of Transportation (DOT) regulations.

The California Highway Patrol (CHP) primarily regulates the transportation of hazardous materials within the state. In addition to CHP regulations, the California Department of Toxic Substances Control (DTSC) administers regulations governing the transportation of hazardous waste within California.