[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: 49CFR172.555] [Page 411] 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. 172.555 POISON INHALATION HAZARD placard. (a) Except for size and color, the POISON INHALATION HAZARD placard must be as follows: [GRAPHIC] [TIFF OMITTED] TR22JY97.025 (b) In addition to complying with Sec. 172.519, the background on the POISON INHALATION HAZARD placard and the symbol must be white. The background of the upper diamond must be black and the lower point of the upper diamond must be 65 mm (2\5/8\ inches) above the horizontal center line. The text, class number, and inner border must be black. [62 FR 39409, July 22, 1997]