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49 CFR Ch. I (10–1–23 Edition)
§ 172.324
(d) The BIOHAZARD marking re-
quired by paragraph (a) of this section
must be displayed on a background of
contrasting color. It may be displayed
on a plain white square-on-point con-
figuration having the same outside di-
mensions as a placard, as specified in
§ 172.519(c) of this part.
[67 FR 53135, Aug. 14, 2002, as amended at 76
FR 56314, Sept. 13, 2011]
§ 172.324
Hazardous substances in
non-bulk packagings.
For each non-bulk package that con-
tains a hazardous substance—
(a) Except for packages of radio-
active material labeled in accordance
with § 172.403, if the proper shipping
name of a material that is a hazardous
substance does not identify the haz-
ardous substance by name, the name of
the hazardous substance must be
marked on the package, in parentheses,
in association with the proper shipping
name. If the material contains two or
more hazardous substances, at least
two hazardous substances, including
the two with the lowest reportable
quantities (RQs), must be identified.
For a hazardous waste, the waste code
(e.g., D001), if appropriate, may be used
to identify the hazardous substance.
(b) The letters ‘‘RQ’’ must be marked
on the package in association with the
proper shipping name.
(c) A package of limited quantity
material marked in accordance with
§ 172.315 must also be marked in accord-
ance with the applicable requirements
of this section.
[73 FR 4716, Jan. 28, 2008, as amended at 76
FR 3367, Jan. 19, 2011]
§ 172.325
Elevated temperature mate-
rials.
(a) Except as provided in paragraph
(b) of this section, a bulk packaging
containing an elevated temperature
material must be marked on two op-
posing sides with the word ‘‘HOT’’ in
black or white Gothic lettering on a
contrasting background. The marking
must be displayed on the packaging
itself or in black lettering on a plain
white square-on-point configuration
having the same outside dimensions as
a placard. (See § 172.302(b) for size of
markings on bulk packagings.)
(b) Bulk packagings containing mol-
ten aluminum or molten sulfur must be
marked ‘‘MOLTEN ALUMINUM’’ or
‘‘MOLTEN SULFUR’’, respectively, in
the same manner as prescribed in para-
graph (a) of this section.
(c) If the identification number is
displayed on a white-square-on-point
display configuration, as prescribed in
§ 172.336(b), the word ‘‘HOT’’ may be
displayed in the upper corner of the
same white-square-on-point display
configuration. The word ‘‘HOT’’ must
be in black letters having a height of
at least 50 mm (2.0 inches). Except for
size, these markings shall be as illus-
trated for an Elevated temperature ma-
terial, liquid, n.o.s.:
