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49 CFR Ch. I (10–1–18 Edition) 

§ 172.315 

(2) The square-on-point must be dura-

ble, legible and of a size relative to the 
packaging, readily visible, and must be 
applied on at least one side or one end 
of the outer packaging. The width of 
the border forming the square-on-point 
must be at least 2 mm and the min-
imum dimension of each side, as meas-
ured from the outside of the lines form-
ing the border, must be 100 mm unless 
the packaging size requires a reduced 
size marking that must be no less than 
50 mm on each side and the width of 
the border forming the square on point 
may be reduced to a minimum of 1 mm. 
Where dimensions are not specified, all 
features shall be in approximate pro-
portion to those shown. When intended 
for transportation by vessel, a cargo 
transport unit (see § 176.2 of this sub-
chapter) containing packages of haz-
ardous materials in only limited quan-
tities must be marked once on each 
side and once on each end of the exte-
rior of the unit with an identical mark 
which must have minimum dimensions 
of 250 mm on each side. 

(i) 

Transitional exception. 

A marking 

in conformance with the requirements 
of this paragraph in effect on December 
31, 2014, may continue to be used until 
December 31, 2016. 

(ii) For domestic transportation, a 

packaging marked prior to January 1, 
2017 and in conformance with the re-
quirements of this paragraph in effect 
on December 31, 2014, may continue in 
service until the end of its useful life. 

(3) Except for Class 1 and 7, and Divi-

sion 6.1 and 6.2 materials, for highway 
transportation by private motor car-
rier, the limited quantity marking is 
not required to be displayed on a pack-
age containing materials assigned to 
Packing Group II and III prepared in 
accordance with the limited quantity 

requirements in subpart B of part 173 of 
this subchapter provided: 

(i) Inner packagings for liquid haz-

ardous materials do not exceed 1.0 L 
(0.3 gallons) net capacity each; 

(ii) Inner packagings for solid haz-

ardous materials do not exceed 1.0 kg 
(2.2 pounds) net capacity each; 

(iii) No more than 2 L (0.6 gallons) or 

2 kg (4.4 pounds) aggregate net quan-
tity of any one hazardous material is 
transported per vehicle; 

(iv) The total gross weight of all the 

limited quantity packages per vehicle 
does not exceed 60 kg (132 pounds); and 

(v) Each package is marked with the 

name and address of the offeror, a 24- 
hour emergency response telephone 
number and the statement ‘‘Contains 
Chemicals’’ in letters at least 25 mm 
(one-inch) high on a contrasting back-
ground. 

(b) 

Air transport. 

Except for an article 

or substance of Class 7 prepared in ac-
cordance with subpart I of part 173, a 
package prepared in accordance with 
air-specific limited quantity require-
ments prescribed in § 173.27 of this sub-
chapter and intended for transpor-
tation by air must display the limited 
quantity mark prescribed in paragraph 
(b)(1) of this section in addition to 
other markings required by this sub-
part (

e.g., 

‘‘RQ’’, proper shipping name, 

identification number, as appropriate). 
Required markings need not be dupli-
cated if already marked as prescribed 
elsewhere in this subpart. 

(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 and the symbol ‘‘Y’’ must be 
black and located in the center of the 
square-on-point and be clearly visible 
as follows: 

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