[Code of Federal Regulations]
[Title 49, Volume 2]
[Revised as of October 1, 2007]
From the U.S. Government Printing Office via GPO Access
[CITE: 49CFR172.402]

[Page 381-382]
 
                        TITLE 49--TRANSPORTATION
 
   CHAPTER I--PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, 
                      DEPARTMENT OF TRANSPORTATION
 
PART 172_HAZARDOUS MATERIALS TABLE, SPECIAL PROVISIONS, HAZARDOUS 
MATERIALS COMMUNICATIONS, EMERGENCY RESPONSE INFORMATION, AND 
 
                           Subpart E_Labeling
 
Sec.  172.402  Additional labeling requirements.

    (a) Subsidiary hazard labels. Each package containing a hazardous 
material--
    (1) Shall be labeled with primary and subsidiary hazard labels as 
specified in column 6 of the Sec.  172.101 table (unless excepted in 
paragraph (a)(2) of this section); and
    (2)For other than Class 1 or Class 2 materials (for subsidiary 
labeling requirements for Class 1 or Class 2 materials see paragraph (e) 
or paragraphs (f) and (g), respectively, of this section), if not 
already labeled under paragraph (a)(1) of this section, shall be labeled 
with subsidiary hazard labels in accordance with the following table:

                        Subsidiary Hazard Labels
------------------------------------------------------------------------
                                  Subsidiary Hazard (Class or Division)
    Subsidiary hazard level    -----------------------------------------
        (packing group)           3    4.1   4.2   4.3   5.1   6.1    8
------------------------------------------------------------------------
I.............................  X     ***   ***   X     X     X     X
II............................  X     X     X     X     X     X     X
III...........................  *     X     X     X     X     X     X
------------------------------------------------------------------------
X--Required for all modes.
*--Required for all modes, except for a material with a flash point at
  or above 38 [deg]C (100 [deg]F) transported by rail or highway.
**--Reserved
***--Impossible as subsidiary hazard.


[[Page 382]]

    (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. A subsidiary label meeting 
the specifications of this section which were in effect on September 30, 
2001, such as, a label without the hazard class or division number 
displayed in the lower corner of the label) may continue to be used as a 
subsidiary label in domestic transportation by rail or highway until 
October 1, 2005, provided the color tolerances are maintained and are in 
accordance with the display requirements in this subchapter.
    (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 Sec.  
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 Sec.  172.403 and for each 
additional hazard.
    (1) For a package containing a Class 7 material that also meets the 
definition of one or more additional hazard classes, whether or not the 
material satisfies Sec.  173.4(a)(1)(iv) of this subchapter, a 
subsidiary label is not required on the package if the material conforms 
to the remaining criteria in Sec.  173.4 of this subchapter.
    (2) Each package or overpack containing fissile material, other than 
fissile-excepted material (see Sec.  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 Sec.  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 Sec.  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 Sec.  172.403 of 
this subpart.
    (f) Division 2.2 materials. In addition to the label specified in 
column 6 of the Sec.  172.101 table, each package of Division 2.2 
material that also meets the definition for an oxidizing gas (see Sec.  
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 Sec.  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]