403
Pipeline and Haz. Matls. Safety Admin., DOT
§ 172.317
section may use the packaging itself as
the contrasting background for the
center portion of the marking if the
color sufficiently contrasts so that the
black border, top and bottom portions
of the square-on-point, and the ‘‘Y’’
symbol, if applicable, are clearly rec-
ognizable.
(d) [Reserved]
[76 FR 82174, Dec. 30, 2011, as amended at 78
FR 1073, Jan. 7, 2013; 78 FR 65478, Oct. 31, 2013;
80 FR 1149, Jan. 8, 2015; 81 FR 3671, Jan. 21,
2016; 87 FR 44990, July 26, 2022; 87 FR 79772,
Dec. 27, 2022]
§ 172.316
[Reserved]
§ 172.317
KEEP AWAY FROM HEAT
handling mark.
(a)
General.
For transportation by
aircraft, each package containing self-
reactive substances of Division 4.1 or
organic peroxides of Division 5.2 must
be marked with the KEEP AWAY
FROM HEAT handling mark specified
in this section.
(b)
Location and design.
The marking
must be a rectangle measuring at least
105 mm (4.1 inches) in height by 74 mm
(2.9 inches) in width as measured from
the outside of the lines forming the
border. Markings with not less than
half this dimension are permissible
where the dimensions of the package
can only bear a smaller mark.
(1)
Transitional exception.
A marking
in conformance with the requirements
of this paragraph in effect on December
31, 2014, may continue to be used until
December 31, 2016.
(2) For domestic transportation, a
packaging marked prior to January 1,
2017 and in conformance with the re-
quirements of this paragraph in effect
on December 31, 2014, may continue in
service until the end of its useful life.
(c)
KEEP AWAY FROM HEAT han-
dling mark.
The KEEP AWAY FROM
HEAT handling mark must conform to
the following:
(1) Except for size, the KEEP AWAY
FROM HEAT handling mark must ap-
pear as follows:
404
49 CFR Ch. I (10–1–23 Edition)
§ 172.320
(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 para-
graph (a) of this section must be dura-
ble, legible and displayed on a back-
ground of contrasting color.
[69 FR 76153, Dec. 20, 2004, as amended at 80
FR 1150, Jan. 8, 2015]
§ 172.320
Explosive hazardous mate-
rials.
(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, ar-
ticle or device contained therein.
(b) Except for fireworks approved in
accordance with § 173.64 of this sub-
chapter, 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 fire-
works reviewed by a Fireworks Certifi-
cation Agency approved in accordance
with 49 CFR part 107 subpart E and cer-
tified in accordance with § 173.65, with