Pipeline and Haz. Matls. Safety Admin., DOT

(2) The symbol, letters and border
must be black and the background
white, except for the starburst which
must be red.
(3) The KEEP AWAY FROM HEAT
handling marking required by paragraph (a) of this section must be durable, legible and displayed on a background of contrasting color.
[69 FR 76153, Dec. 20, 2004, as amended at 80
FR 1150, Jan. 8, 2015]

Section 172.320 Explosive
rials.

hazardous

mate-

(a) Except as otherwise provided in
paragraphs (b), (c), (d) and (e) of this
section, each package containing a
Class 1 material must be marked with
the EX-number for each substance, article or device contained therein.

Section 172.320

(b) Except for fireworks approved in
accordance with Section 173.64 of this subchapter, a package of Class 1 materials
may be marked as follows, in lieu of
the EX number required by paragraph
(a) of this section:
(1) With a national stock number
issued by the Department of Defense or
identifying information, such as a
product code required by regulations
for commercial explosives specified in
27 CFR part 555, if the national stock
number or identifying information can
be specifically associated with the EX
number assigned; or
(2) For Division 1.4G consumer fireworks reviewed by a Fireworks Certification Agency approved in accordance
with 49 CFR part 107 subpart E and certified in accordance with Section 173.65, with

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393