Pub. L. 93-633, tit. I, sec. 103
definitions
definitions Sec. 103. As used in this title, the term— (1) “commerce” means trade, traffic, commerce, or transportation, within the jurisdiction of the United States, (A) between a place in a State and any place outside of such State, or (B) which affects trade, traffic, commerce, or transportation described in clause (A); (2) “hazardous material” means a substance or material in a quantity and form which may pose an unreasonable risk to health and safety or property when transported in commerce; (3) “Secretary” means the Secretary of Transportation, or his delegate; (4) “serious harm” means death, serious illness, or severe personal injury; (5) “State” means a State of the United States, the District of Columbia, the Commonwealth of Puerto Rico, the Virgin Islands, American Samoa, or Guam; (6) “transports” or “transportation” means any movement of property by any mode, and any loading, unloading, or storage incidental thereto; and (7) “United States” means all of the States.