49 CFR 172.528 - NON-FLAMMABLE GAS placard.
(b) In addition to complying with § 172.519, the background color on the NON-FLAMMABLE GAS placard must be green. The letters in both words must be at least 38 mm (1.5 inches) high. The symbol, text, class number and inner border must be white.
[Amdt. 172-123, 56 FR 66261, Dec. 20, 1991]
Title 49 published on 2014-10-01
no entries appear in the Federal Register after this date.