CFR > Title 49 - Transportation > SUBTITLE B—Other Regulations Relating to Transportation > CHAPTER I—PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (Parts 105–199) > SUBCHAPTER A—HAZARDOUS MATERIALS AND OIL TRANSPORTATION (Parts 105–110) > PART 105—HAZARDOUS MATERIALS PROGRAM DEFINITIONS AND GENERAL PROCEDURES