439 

Pipeline and Haz. Matls. Safety Admin., DOT 

§ 172.556 

(b) In addition to complying with 

§ 172.519, the background on the POI-
SON placard must be white. The sym-
bol, text, class number and inner bor-
der must be black. The word ‘‘TOXIC’’ 
may be used in lieu of the word ‘‘POI-
SON’’. 

[Amdt. 172–123, 56 FR 66264, Dec. 20, 1991, as 
amended by Amdt. 172–139, 59 FR 67490, Dec. 
29, 1994] 

§ 172.555

POISON INHALATION HAZ-

ARD placard. 

(a) Except for size and color, the POI-

SON INHALATION HAZARD placard 
must be as follows: 

(b) In addition to complying with 

§ 172.519, the background on the POI-
SON 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] 

§ 172.556

RADIOACTIVE placard. 

(a) Except for size and color, the RA-

DIOACTIVE placard must be as fol-
lows: 

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