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 D—PIPELINE SAFETY (Parts 186–199) > PART 195—TRANSPORTATION OF HAZARDOUS LIQUIDS BY PIPELINE > SUBPART G—Qualification of Pipeline Personnel (§195.501 to §195.509)