[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: 49CFR172.308] [Page 355] TITLE 49--TRANSPORTATION CHAPTER I--RESEARCH AND SPECIAL PROGRAMS ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 172_HAZARDOUS MATERIALS TABLE, SPECIAL PROVISIONS, HAZARDOUS MATERIALS Subpart B_Table of Hazardous Materials and Special Provisions Sec. 172.308 Authorized abbreviations. (a) Abbreviations may not be used in a proper shipping name marking except as authorized in this section. (b) The abbreviation ``ORM'' may be used in place of the words ``Other Regulated Material.'' (c) Abbreviations which appear as authorized descriptions in column 2 of the Sec. 172.101 table (e.g., ``TNT'' and ``PCB'') are authorized. [Amdt. 172-123, 55 FR 52591, Dec. 21, 1990, as amended by Amdt. 172-145, 60 FR 49110, Sept. 21, 1995]