431 

Pipeline and Haz. Matls. Safety Admin., DOT 

§ 172.519 

mm (24 by 36-inch) sheets, water-
proofing materials included. In addi-
tion, each placard made of tagboard 
must be able to pass a 414 kPa (60 p.s.i.) 
Mullen test. 

(3) Reflective or retroreflective mate-

rials may be used on a placard if the 
prescribed colors, strength and dura-
bility are maintained. 

(b) 

Design. 

(1) Except as provided in 

§ 172.332 of this part, each placard must 
be as described in this subpart, and ex-
cept for size and color, the printing, 
inner border and symbol must be as 
shown in §§ 172.521 through 172.560 of 
this subpart, as appropriate. 

(2) The dotted line border shown on 

each placard is not part of the placard 
specification. However, a dotted or 
solid line outer border may be used 
when needed to indicate the full size of 
a placard that is part of a larger for-
mat or is on a background of a non- 
contrasting color. 

(3) For other than Class 7 or the 

DANGEROUS placard, text indicating 
a hazard (for example, ‘‘FLAM-
MABLE’’) is not required. Text may be 
omitted from the OXYGEN placard 
only if the specific identification num-
ber is displayed on the placard. 

(4) For a placard corresponding to the 

primary or subsidiary hazard class of a 
material, the hazard class or division 
number must be displayed in the lower 
corner of the placard. However, a per-
manently affixed subsidiary placard 
meeting the specifications of this sec-
tion which were in effect on October 1, 
2001, (such as, a placard without the 
hazard class or division number dis-
played in the lower corner of the 
placard) and which was installed prior 
to September 30, 2001, may continue to 
be used as a subsidiary placard in do-
mestic transportation by rail or high-
way, provided the color tolerances are 
maintained and are in accordance with 
the display requirements in this sub-
chapter. 

(c) 

Size. 

(1) Each diamond (square-on- 

point) placard prescribed in this sub-
part must measure at least 250 mm 
(9.84 inches) on each side and must 
have a solid line inner border 12.5 mm 
inside and parallel to the edge. The 12.5 
mm measurement is from the outside 
edge of the placard to the outside of 
the solid line forming the inner border. 

(i) 

Transitional exceptions. 

A placard 

in conformance with the requirements 
of this paragraph in effect on December 
31, 2014, may continue to be used until 
December 31, 2016. 

(ii) For domestic transportation, a 

placard manufactured prior to January 
1, 2017 in conformance with the require-
ments of this paragraph in effect on 
December 31, 2014, may continue in 
service until the end of its useful life 
provided the color tolerances are main-
tained and are in accordance with the 
display requirements of this sub-
chapter. 

(2) Except as otherwise provided in 

this subpart, the hazard class or divi-
sion number, as appropriate, must be 
shown in numerals measuring at least 
41 mm (1.6 inches) in height. 

(3) Except as otherwise provided in 

this subpart, when text indicating a 
hazard is displayed on a placard, the 
printing must be in letters measuring 
at least 41 mm (1.6 inches) in height. 

(d) 

Color. 

(1) The background color, 

symbol, text, numerals and inner bor-
der on a placard must be as specified in 
§§ 172.521 through 172.560 of this sub-
part, as appropriate. 

(2) Black and any color on a placard 

must be able to withstand, without 
substantial change— 

(i) A 72-hour fadeometer test (for a 

description of equipment designed for 
this purpose, see ASTM G 23–69 or 
ASTM G 26–70); and 

(ii) A 30-day exposure to open weath-

er. 

(3) Upon visual examination, a color 

on a placard must fall within the color 
tolerances displayed on the appropriate 
Hazardous Materials Label and Placard 
Color Tolerance Chart (see 
§ 172.407(d)(4)). As an alternative, the 
PANTONE



formula guide coated/ 

uncoated as specified for colors in 
§ 172.407(d)(5) may be used. 

(4) The placard color must extend to 

the inner border and may extend to the 
edge of the placard in the area des-
ignated on each placard except the 
color on the CORROSIVE and RADIO-
ACTIVE placards (black and yellow, re-
spectively) must extend only to the 
inner border. 

(e) 

Form identification. 

A placard may 

contain form identification informa-
tion, including the name of its maker, 

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