[Code of Federal Regulations] [Title 49, Volume 2] [Revised as of October 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 49CFR173.5a] [Page 407-408] TITLE 49--TRANSPORTATION CHAPTER I--RESEARCH AND SPECIAL PROGRAMS ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 173--SHIPPERS--GENERAL REQUIREMENTS FOR SHIPMENTS AND PACKAGINGS--Table of Contents Subpart A--General Sec. 173.5a Oilfield service vehicles. Notwithstanding Sec. 173.29 of this subchapter, a cargo tank mounted on a [[Page 408]] transport vehicle used in oilfield servicing operations is not subject to the specification requirements of this subchapter if-- (a) The cargo tank and equipment contains only residual amounts (i.e., it is emptied so far as practicable) of a flammable liquid alone or in combination with water, (b) No flame producing device is operated during transportation, and (c) The proper shipping name is preceded by ``Residual'' on the shipping paper for each movement on a public highway. [Amdt. 173-196, 51 FR 5971, Feb. 18, 1986]