440 

49 CFR Ch. I (10–1–18 Edition) 

§ 172.558 

(b) In addition to complying with 

§ 172.519, the background color on the 
RADIOACTIVE placard must be white 
in the lower portion with a yellow tri-
angle in the upper portion. The base of 
the yellow triangle must be 29 mm 

±

5 

mm (1.1 inches 

±

0.2 inches) above the 

placard horizontal center line. The 

symbol, text, class number and inner 
border must be black. 

[Amdt. 172–123, 56 FR 66264, Dec. 20, 1991; 
Amdt. 172–130, 58 FR 51531, Oct. 1, 1993; 65 FR 
58627, Sept. 29, 2000] 

§ 172.558

CORROSIVE placard. 

(a) Except for size and color, the 

CORROSIVE placard must be as fol-
lows: 

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