The following defined terms (see subpart A of this part) appear in this subpart: Approval; Federal hazardous material transportation law; Hazardous material; Hazardous materials regulations; Indian tribe; Preemption determination; Special permit; State; Transportation; Waiver of preemption [67 FR 42951, June 25, 2002, as amended at 70 FR 73159, Dec. 9, 2005]
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