413
Pipeline and Haz. Matls. Safety Admin., DOT
§ 172.332
Hydrogen cyanide, stabilized (less than 3%
water)
Hydrogen fluoride, anhydrous
Hydrogen peroxide, aqueous solutions (great-
er than 20% hydrogen peroxide)
Hydrogen peroxide, stabilized
Hydrogen peroxide and peroxyacetic acid
mixtures
Nitric acid (other than red fuming)
Phosphorus, amorphous
Phosphorus, white dry
or
Phosphorus, white,
under water
or
Phosphorus white, in solu-
tion,
or
Phosphorus, yellow dry
or
Phos-
phorus, yellow, under water
or
Phosphorus,
yellow, in solution
Phosphorus white, molten
Potassium nitrate and sodium nitrate mix-
tures
Potassium permanganate
Sulfur trioxide, stabilized
Sulfur trioxide, uninhibited
(2) In a multi-unit tank car tank, un-
less the tank is marked on two oppos-
ing sides, in letters and numerals no
less than 50 mm (2.0 inches) high—
(i) With the proper shipping name
specified for the material in the
§ 172.101 table or with a common name
authorized for the material in this sub-
chapter (e.g., ‘‘Refrigerant Gas’’); and
(ii) With the identification number
specified for the material in the
§ 172.101 table, unless marked in accord-
ance with §§ 172.302(a) and 172.332 of this
subpart.
(b) A motor vehicle or rail car used
to transport a multi-unit tank car
tank containing a hazardous material
must be marked on each side and each
end, as required by § 172.332, with the
identification number specified for the
material in the § 172.101 table.
(c) No person may offer for transpor-
tation or transport a tank car or
multi-unit tank car tank containing
unodorized liquefied petroleum gas
(LPG) unless it is legibly marked NON-
ODORIZED or NOT ODORIZED on two
opposing sides near the marked proper
shipping name required by paragraphs
(a)(1) and (2) of this section, or near the
placards. The NON-ODORIZED or NOT
ODORIZED marking may appear on a
tank car or multi-unit tank car tank
used for both unodorized and odorized
LPG.
[Amdt. 172–123, 55 FR 52593, Dec. 21, 1990, as
amended at 56 FR 66255, Dec. 20, 1991; 57 FR
45458, Oct. 1, 1992; Amdt. 172–148, 61 FR 28676,
June 5, 1996; Amdt. 172–148, 61 FR 50254, Sept.
25, 1996; 66 FR 33425, June 21, 2001; 69 FR
64471, Nov. 4, 2004; 81 FR 35540, June 2, 2016;
85 FR 83380, Dec. 21, 2020]
§ 172.331
Bulk packagings other than
portable tanks, cargo tanks, tank
cars and multi-unit tank car tanks.
(a) Each person who offers a haz-
ardous material to a motor carrier for
transportation in a bulk packaging
shall provide the motor carrier with
the required identification numbers on
placards or plain white square-on-point
display configurations, as authorized,
or shall affix orange panels containing
the required identification numbers to
the packaging prior to or at the time
the material is offered for transpor-
tation, unless the packaging is already
marked with the identification number
as required by this subchapter.
(b) Each person who offers a bulk
packaging containing a hazardous ma-
terial for transportation shall affix to
the packaging the required identifica-
tion numbers on orange panels, square-
on-point configurations or placards, as
appropriate, prior to, or at the time
the packaging is offered for transpor-
tation unless it is already marked with
identification numbers as required by
this subchapter.
(c) For a bulk packaging contained in
or on a transport vehicle or freight
container, if the identification number
marking on the bulk packaging (e.g.,
an IBC) required by § 172.302(a) is not
visible, the transport vehicle or freight
container must be marked as required
by § 172.332 on each side and each end
with the identification number speci-
fied for the material in the § 172.101
table.
[Amdt. 172–123, 55 FR 52593, Dec. 21, 1994, as
amended by Amdt. 172–151, 62 FR 1228, Jan. 8,
1997; 62 FR 39398, July 22, 1997]
§ 172.332
Identification number mark-
ings.
(a)
General.
When required by
§ 172.301, § 172.302, § 172.313, § 172.326,