389 

Pipeline and Haz. Matls. Safety Admin., DOT 

§ 172.315 

(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 aggre-
gate gross weight of the material in 
non-bulk packages marked with the 
same proper shipping name and identi-
fication number; and 

(3) If the transport vehicle or freight 

container contains more than one ma-
terial meeting the provisions of this 
paragraph (c), it shall be marked with 
the identification number for one ma-
terial, determined as follows: 

(i) For different materials in the 

same hazard zone, with the identifica-
tion number of the material having the 
greatest aggregate gross weight; and 

(ii) For different materials in both 

Hazard Zones A and B, with the identi-
fication number for the Hazard Zone A 
material. 

(d) For a packaging containing a Di-

vision 6.1 PG III material, ‘‘PG III’’ 
may be marked adjacent to the POI-
SON label. (See § 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] 

§ 172.315

Limited quantities. 

(a) 

Modes other than air transport. 

Ex-

cept for an article or substance of Class 
7 prepared in accordance with subpart I 
of part 173, a package prepared in ac-
cordance with applicable limited quan-
tity requirements in part 173 of this 
subchapter and offered for transpor-
tation by a mode other than air must 
display the limited quantity marking 
shown in paragraph (a)(1) of this sec-
tion. A package displaying this mark is 
not subject to the marking require-
ments of § 172.301 of this subpart unless 
the limited quantity package also con-
tains a hazardous substance or a haz-
ardous waste. Required markings need 
not be duplicated if already marked as 
prescribed elsewhere in this subpart. 
As an alternative, a packaging may 
display the limited quantity ‘‘Y’’ mark 
shown in paragraph (b) of this section 
if the package conforms to authorized 
substance and article provisions and 
the inner and outer package quantity 
limits in § 173.27(f) of this subchapter. 

(1) 

Marking description. 

The top and 

bottom portions of the square-on-point 
and the border forming the square-on- 
point must be black and the center 
white or of a suitable contrasting back-
ground as follows: 

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