Section 172.315

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

(2) The square-on-point must be durable, 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 minimum dimension of each side, as measured from the outside of the lines forming 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 proportion to those shown. When intended
for transportation by vessel, a cargo
transport unit (see Section 176.2 of this subchapter) containing packages of hazardous materials in only limited quantities must be marked once on each
side and once on each end of the exterior 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 requirements 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 Division 6.1 and 6.2 materials, for highway
transportation by private motor carrier, the limited quantity marking is
not required to be displayed on a package 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 hazardous materials do not exceed 1.0 L
(0.3 gallons) net capacity each;
(ii) Inner packagings for solid hazardous 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 quantity 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 24hour emergency response telephone
number and the statement  - Contains
Chemicals -  in letters at least 25 mm
(one-inch) high on a contrasting background.
(b) Air transport. Except for an article
or substance of Class 7 prepared in accordance with subpart I of part 173, a
package prepared in accordance with
air-specific limited quantity requirements prescribed in Section 173.27 of this subchapter and intended for transportation by air must display the limited
quantity mark prescribed in paragraph
(b)(1) of this section in addition to
other markings required by this subpart (e.g.,  - RQ - , proper shipping name,
identification number, as appropriate).
Required markings need not be duplicated 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-onpoint must be black and the center
white or of a suitable contrasting background 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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