Hazardous material has the same meaning as under § 171.8 of this title: A substance or material that the Secretary of Transportation has determined is capable of posing an unreasonable risk to health, safety, and property when transported in commerce, and has designated as hazardous under Sec. 5103 of Federal hazardous materials transportation law (49 U.S.C. 5103 ). The term includes hazardous substances, hazardous wastes, marine pollutants, elevated temperature materials, materials designated as hazardous in the Hazardous Materials Table (see § 172.101 of this title), and materials that meet the defining criteria for hazard classes and divisions in part 173 of this title.
Hazmat employee has the same meaning as under § 171.8 of this title: A person who is employed by a hazmat employer as defined under § 171.8 of this title, and who in the course of employment directly affects hazardous materials transportation safety. This term includes an owner-operator of a motor vehicle that transports hazardous materials in commerce. This term includes an individual who, during the course of employment:
Liquefied natural gas (LNG) means a Division 2.1 liquefied natural gas material that is transported in a liquid state with a methane content of 85 percent or more.
Safety permit means a document issued by FMCSA that contains a permit number and confers authority to transport in commerce the hazardous materials listed in § 385.403 .
Shipment means the offering or loading of hazardous materials at one loading facility using one transport vehicle, or the transport of that transport vehicle.
49 C.F.R. §385.402