[Code of Federal Regulations]
[Title 49, Volume 2]
[Revised as of October 1, 2004]
From the U.S. Government Printing Office via GPO Access
[CITE: 49CFR172.313]

[Page 356-357]
 
                        TITLE 49--TRANSPORTATION
 
 CHAPTER I--RESEARCH AND SPECIAL PROGRAMS ADMINISTRATION, DEPARTMENT OF 
                             TRANSPORTATION
 
PART 172_HAZARDOUS MATERIALS TABLE, SPECIAL PROVISIONS, HAZARDOUS MATERIALS 
 
      Subpart B_Table of Hazardous Materials and Special Provisions
 
Sec. 172.313  Poisonous hazardous materials.

    In addition to any other markings required by this subpart:
    (a) A material poisonous by inhalation (see Sec. 171.8 of this 
subchapter) shall be marked ``Inhalation Hazard'' in association with 
the required labels or placards, as appropriate, and shipping name when 
required. The marking must be on two opposing sides of a bulk packaging. 
(See Sec. 172.302(b) of this subpart for size of markings on bulk 
packages.) When the words ``Inhalation Hazard'' appear on the label, as 
prescribed in Sec. Sec. 172.416 and 172.429, or placard, as prescribed 
in Sec. Sec. 172.540 and 172.555, the ``Inhalation Hazard'' marking is 
not required on the package.
    (b) Each non-bulk plastic outer packaging used as a single or 
composite packaging for materials meeting the definition of Division 6.1 
(in Sec. 173.132 of this subchapter) shall be permanently marked, by 
embossment or other durable means, with the word ``POISON'' in letters 
at least 6.3 mm (0.25 inch) in height. Additional text or symbols 
related to hazard warning may be included in the marking. The marking 
shall be located within 150 mm (6 inches) of the closure of the 
packaging.
    (c) A transport vehicle or freight container containing a material 
poisonous by inhalation in non-bulk packages shall be marked, on each 
side and each end as specified in Sec. 172.332 or Sec. 172.336, with 
the identification number specified for the hazardous material in the 
Sec. 172.101 table, subject to the following provisions and 
limitations:
    (1) The material is in Hazard Zone A or B;
    (2) The transport vehicle or freight container is loaded at one 
facility with 1,000 kg (2,205 pounds) or more aggregate gross weight of 
the material in non-bulk packages marked with the same proper shipping 
name and identification number; and

[[Page 357]]

    (3) If the transport vehicle or freight container contains more than 
one material meeting the provisions of this paragraph (c), it shall be 
marked with the identification number for one material, determined as 
follows:
    (i) For different materials in the same hazard zone, with the 
identification number of the material having the greatest aggregate 
gross weight; and
    (ii) For different materials in both Hazard Zones A and B, with the 
identification number for the Hazard Zone A material.
    (d) For a packaging containing a Division 6.1 PG III material, ``PG 
III'' may be marked adjacent to the POISON label. (See Sec. 
172.405(c).)

[Amdt. 172-123, 55 FR 52592, Dec. 21, 1990, as amended at 57 FR 46624, 
Oct. 9, 1992; Amdt. 172-151, 62 FR 1228, Jan. 8, 1997; 62 FR 39398, 
39405, July 22, 1997; 63 FR 16075, Apr. 1, 1998; 64 FR 10776, Mar. 5, 
1999]