[Code of Federal Regulations] [Title 49, Volume 2] [Revised as of October 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 49CFR172.521] [Page 404] TITLE 49--TRANSPORTATION CHAPTER I--PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 172_HAZARDOUS MATERIALS TABLE, SPECIAL PROVISIONS, HAZARDOUS MATERIALS COMMUNICATIONS, EMERGENCY RESPONSE INFORMATION, AND Subpart F_Placarding Sec. 172.521 DANGEROUS placard. (a) Except for size and color, the DANGEROUS placard must be as follows: [GRAPHIC] [TIFF OMITTED] TC02MR91.039 (b) In addition to meeting the requirements of Sec. 172.519, and appendix B to this part, the DANGEROUS placard must have a red upper and lower triangle. The placard center area and \1/2\-inch (12.7 mm.) border must be white. The inscription must be black with the \1/8\-inch (3.2 mm.) border marker in the white area at each end of the inscription red. [Amdt. 172-29, 41 FR 15996, Apr. 15, 1976, as amended by Amdt. 172-29A, 41 FR 40680, Sept. 20, 1976]