Pipeline and Haz. Matls. Safety Admin., DOT
(2) A person who offers a cargo tank
containing a hazardous material for
transportation shall affix the required
identification numbers on panels or
placards prior to or at the time the
cargo tank is offered for transportation.
(3) For a cargo tank transported on
or in a transport vehicle or freight container, if the identification number
marking on the cargo tank required by
Section 172.302(a) would not normally be visible during transportation - 
(i) The transport vehicle or freight
container must be marked as required
by Section 172.332 on each side and each end
with the identification number specified for the material in the Section 172.101
table; and
(ii) When the cargo tank is permanently installed within an enclosed
cargo body of the transport vehicle or
freight container, the identification
number marking required by Section 172.302(a)
need only be displayed on each side and
end of a cargo tank that is visible when
the cargo tank is accessed.
(b) Required markings: Gases. Except
for certain nurse tanks which must be
marked as specified in Section 173.315(m) of
this subchapter, each cargo tank transporting a Class 2 material subject to
this subchapter must be marked, in lettering no less than 50 mm (2.0 inches),
on each side and each end with - 
(1) The proper shipping name specified for the gas in the Section 172.101 table; or
(2) An appropriate common name for
the material (e.g.,  - Refrigerant Gas - ).
(c) QT/NQT markings. Each MC 330
and MC 331 cargo tank must be marked
near the specification plate, in letters
no less than 50 mm (2.0 inches) in
height, with - 
(1)  - QT - , if the cargo tank is constructed of quenched and tempered
steel; or
(2)  - NQT - , if the cargo tank is constructed of other than quenched and
tempered steel.
(d) After October 3, 2005, each on-vehicle manually-activated remote shutoff device for closure of the internal
self-closing stop valve must be identified by marking  - Emergency Shutoff - 
in letters at least 0.75 inches in height,
in a color that contrasts with its background, and located in an area imme-

Section 172.330

diately adjacent to the means of closure.
(e) NON-ODORIZED marking on cargo
tanks containing LPG. No person may
offer for transportation or transport a
cargo tank containing unodorized liquefied petroleum gas (LPG) as authorized in Section 173.315(b)(1) of this subchapter
unless it is legibly marked NON-ODORIZED or NOT ODORIZED on two opposing sides near the marked proper shipping name as specified in paragraph
(b)(1) of this section, or near the placards. The NON-ODORIZED or NOT
ODORIZED marking may appear on a
cargo tank used for both unodorized
and odorized LPG.
[Amdt. 172-123, 55 FR 52592, Dec. 21, 1990, as
amended at 56 FR 66255, Dec. 20, 1991; Amdt.
172-151, 62 FR 1228, Jan. 8, 1997; 62 FR 39045,
July 22, 1997; 68 FR 19277, Apr. 18, 2003; 69 FR
64471, Nov. 4, 2004; 81 FR 35540, June 2, 2016]

Section 172.330 Tank cars
tank car tanks.

and

(a) Shipping name and identification
number. No person may offer for transportation or transport a hazardous material - 
(1) In a tank car unless the following
conditions are met:
(i) The tank car must be marked on
each side and each end as required by
Section 172.302 with the identification number
specified for the material in the
Section 172.101 table; and
(ii) A tank car containing any of the
following materials must be marked on
each side with the key words of the
proper shipping name specified for the
material in the Section 172.101 table, or with a
common name authorized for the material in this subchapter (e.g.,  - Refrigerant Gas - ):
Acrolein, stabilized
Ammonia, anhydrous, liquefied
Ammonia solutions (more than 50% ammonia)
Bromine or Bromine solutions
Bromine chloride
Chloroprene, stabilized
Dispersant gas or Refrigerant gas (as defined
in Section 173.115 of this subchapter)
Division 2.1 materials
Division 2.2 materials (in Class DOT 107 tank
cars only)
Division 2.3 materials
Formic acid
Hydrocyanic acid, aqueous solutions
Hydrofluoric acid, solution

401

VerDate Sep<11>2014

16:41 Oct 31, 2018

Jkt 244226

PO 00000

Frm 00411

Fmt 8010

multi-unit

Sfmt 8010

Q:\49\49V2.TXT

PC31