172.429—POISON INHALATION HAZARD label.
Code of Federal Regulations
(b)
In addition to complying with § 172.407, the background on the POISON INHALATION HAZARD label 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 14 mm (0.54 inches) above the horizontal center line.
[62 FR 39406, July 22, 1997]