433 

Pipeline and Haz. Matls. Safety Admin., DOT 

§ 172.527 

(b) In addition to complying with 

§ 172.519 of this subpart, the background 
color on the EXPLOSIVES 1.4 placard 
must be orange. The ‘‘*’’ shall be re-
placed, when required, with the appro-
priate compatibility group letter. The 
division numeral, 1.4, must measure at 
least 64 mm (2.5 inches) in height. The 
text, numerals and inner border must 
be black. 

[Amdt. 172–123, 55 FR 52602, Dec. 21, 1990, as 
amended at 56 FR 66261, Dec. 20, 1991] 

§ 172.524

EXPLOSIVES 1.5 placard. 

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

PLOSIVES 1.5 placard must be as fol-
lows: 

(b) In addition to complying with the 

§ 172.519 of this subpart, the background 
color on EXPLOSIVES 1.5 placard 

must be orange. The ‘‘*’’ shall be re-
placed, when required, with the appro-
priate compatibility group letter. The 
division numeral, 1.5, must measure at 
least 64 mm (2.5 inches) in height. The 
text, numerals and inner border must 
be black. 

[Amdt. 172–123, 55 FR 52602, Dec. 21, 1990, as 
amended at 56 FR 66261, Dec. 20, 1991] 

§ 172.525

EXPLOSIVES 1.6 placard. 

(a) Except for size and color the EX-

PLOSIVES 1.6 placard must be as fol-
lows: 

(b) In addition to complying with 

§ 172.519 of this subpart, the background 
color on the EXPLOSIVES 1.6 placard 
must be orange. The ‘‘*’’ shall be re-
placed, when required, with the appro-
priate compatibility group letter. The 
division numeral, 1.6, must measure at 
least 64 mm (2.5 inches) in height. The 
text, numerals and inner border must 
be black. 

[Amdt. 172–123, 55 FR 52603, Dec. 21, 1990, as 
amended at 56 FR 66261, Dec. 20, 1991; Amdt. 
172–130, 58 FR 51531, Oct. 1, 1993] 

§ 172.526

[Reserved] 

§ 172.527

Background requirements for 

certain placards. 

(a) Except for size and color, the 

square background required by 
§ 172.510(a) for certain placards on rail 
cars, and § 172.507 for placards on motor 
vehicles containing a package of high-
way route controlled quantity radio-
active materials, must be as follows: 

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