[Code of Federal Regulations] [Title 49, Volume 2] [Revised as of October 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 49CFR105.15] [Page 8-9] TITLE 49--TRANSPORTATION CHAPTER I--RESEARCH AND SPECIAL PROGRAMS ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 105_HAZARDOUS MATERIALS PROGRAM DEFINITIONS AND GENERAL PROCEDURES --Table of Contents Subpart B_General Procedures Sec. 105.15 Defined terms used in this subpart. The following defined terms (see subpart A of this part) appear in this subpart: Approval; Exemption; Federal hazardous material transportation law; [[Page 9]] Hazardous material; Hazardous materials regulations; Indian tribe; Preemption determination; State; Transportation; Waiver of preemption Obtaining Guidance and Public Information