Section 172.403

49 CFR Ch. I (10-1-18 Edition)

SUBSIDIARY HAZARD LABELS - Continued
Subsidiary hazard
level (packing
group)
II ..........................
III .........................

Subsidiary Hazard (Class or Division)
3
X
*

4.1

4.2

4.3

5.1

6.1

X
X

X
X

X
X

X
X

X
X

8
X
X

X - Required for all modes.
* - Required for all modes, except for a material with a flash
point at or above 38 SectionC (100 SectionF) transported by rail or highway.
** - Reserved
*** - Impossible as subsidiary hazard.

(b) Display of hazard class on labels.
The appropriate hazard class or division number must be displayed in the
lower corner of a primary hazard label
and a subsidiary hazard label.
(c) Cargo Aircraft Only label. Each person who offers for transportation or
transports by aircraft a package containing a hazardous material which is
authorized on cargo aircraft only shall
label the package with a CARGO AIRCRAFT ONLY label specified in
Section 172.448 of this subpart.
(d) Class 7 (Radioactive) Materials. Except as otherwise provided in this paragraph, each package containing a Class
7 material that also meets the definition of one or more additional hazard
classes must be labeled as a Class 7 material as required by Section 172.403 and for
each additional hazard.
(1) A subsidiary label is not required
for a package containing material that
satisfies all of the criteria in Section 173.4,
Section 173.4a, or Section 173.4b applicable to the subsidiary hazard class.
(2) Each package or overpack containing fissile material, other than
fissile-excepted material (see Section 173.453
of this subchapter) must bear two
FISSILE labels, affixed to opposite
sides of the package or overpack, which
conforms to the figure shown in
Section 172.441; such labels, where applicable,
must be affixed adjacent to the labels
for radioactive materials.
(e) Class 1 (explosive) Materials. In addition to the label specified in column
6 of the Section 172.101 table, each package of
Class 1 material that also meets the
definition for:
(1) Division 6.1, Packing Groups I or
II, shall be labeled POISON or POISON
INHALATION HAZARD, as appropriate.
(2) Class 7, shall be labeled in accordance with Section 172.403 of this subpart.

(f) Division 2.2 materials. In addition
to the label specified in column 6 of the
Section 172.101 table, each package of Division
2.2 material that also meets the definition for an oxidizing gas (see Section 171.8 of
this subchapter) must be labeled OXIDIZER.
(g) Division 2.3 materials. In addition
to the label specified in column 6 of the
Section 172.101 table, each package of Division
2.3 material that also meets the definition for:
(1) Division 2.1, must be labeled
Flammable Gas;
(2) Division 5.1, must be labeled Oxidizer; and
(3) Class 8, must be labeled Corrosive.
[Amdt. 172-123, 55 FR 52594, Dec. 21, 1990, as
amended at 56 FR 66255, Dec. 20, 1991; Amdt.
172-139, 59 FR 67490, Dec. 29, 1994; Amdt. 172-
140, 60 FR 26805, May 18, 1995; Amdt. 172-149,
61 FR 27173, May 30, 1996; 62 FR 39405, July 22,
1997; 66 FR 33425, June 21, 2001; 69 FR 3668,
Jan. 26, 2004; 74 FR 2252, Jan. 14, 2009; 76 FR
56314, Sept. 13, 2011; 79 FR 40609, July 11, 2014]

Section 172.403
rial.

Class 7 (radioactive) mate-

(a) Unless excepted from labeling by
SectionSection 173.421 through 173.427 of this subchapter, each package of radioactive
material must be labeled as provided in
this section.
(b) The proper label to affix to a
package of Class 7 (radioactive) material is based on the radiation level at
the surface of the package and the
transport index. The proper category of
label must be determined in accordance with paragraph (c) of this section.
The label to be applied must be the
highest category required for any of
the two determining conditions for the
package. RADIOACTIVE WHITE-I is
the lowest category and RADIOACTIVE YELLOW-III is the highest.
For example, a package with a transport index of 0.8 and a maximum surface radiation level of 0.6 millisievert
(60 millirems) per hour must bear a
RADIOACTIVE YELLOW-III label.
(c) Category of label to be applied to
Class 7 (radioactive) materials packages:

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