Pipeline and Haz. Matls. Safety Admin., DOT
(b) Chemical ammunition. Each rail
car containing Division 1.1 or 1.2 (explosive) ammunition which also meets
the definition of a material poisonous
by inhalation (see Section 171.8 of this subchapter) must be placarded EXPLOSIVES 1.1 or EXPLOSIVES 1.2 and
POISON GAS or POISON INHALATION
HAZARD.
[Amdt. 172-29, 41 FR 15996, Apr. 15, 1976, as
amended by Amdt. 172-103, 51 FR 5971, Feb.
18, 1986; Amdt. 172-110, 52 FR 29528, Aug. 10,
1987; Amdt. 172-111, 52 FR 36671, Sept. 30, 1987;
Amdt. 172-123, 55 FR 52601, Dec. 21, 1990; 56
FR 66260, Dec. 20, 1991; 57 FR 45460, Oct. 1,
1992; Amdt. 172-248, 61 FR 28676, June 5, 1996;
Amdt. 172-151, 62 FR 1231, Jan. 8, 1997; 62 FR
39398, July 22, 1997]

Section 172.512 Freight containers and aircraft unit load devices.
(a) Capacity of 640 cubic feet or more.
Each person who offers for transportation, and each person who loads and
transports, a hazardous material in a
freight container or aircraft unit load
device having a capacity of 640 cubic
feet or more shall affix to the freight
container or aircraft unit load device
the placards specified for the material
in accordance with Section 172.504. However:
(1) The placarding exception provided
in Section 172.504(c) applies to motor vehicles
transporting freight containers and
aircraft unit load devices,
(2) The placarding exception provided
in Section 172.504(c) applies to each freight
container and aircraft unit load device
being transported for delivery to a consignee immediately following an air or
water shipment, and,
(3) Placarding is not required on a
freight container or aircraft unit load
device if it is only transported by air
and is identified as containing a hazardous material in the manner provided in part 7, chapter 2, section 2.8, of
the ICAO Technical Instructions (IBR,
see Section 171.7 of this subchapter).
(b) Capacity less than 18 m 3 (640 cubic
feet). (1) Each person who offers for
transportation by air, and each person
who loads and transports by air, a hazardous material in a freight container
or aircraft unit load device having a
capacity of less than 18 m3 (640 cubic
feet) shall affix one placard of the type
specified by paragraph (a) of this section unless the freight container or aircraft unit load device:

Section 172.514

(i) Is labeled in accordance with subpart E of this part, including
Section 172.406(e);
(ii) Contains radioactive materials
requiring the Radioactive Yellow III
label and is placarded with one Radioactive placard and is labeled in accordance with subpart E of this part, including Section 172.406(e); or,
(iii) Is identified as containing a hazardous material in the manner provided in part 7; chapter 2, section 2.8, of
the ICAO Technical Instructions (IBR,
see Section 171.7 of this subchapter).
(2) When hazardous materials are offered for transportation, not involving
air transportation, in a freight container having a capacity of less than
640 cubic feet the freight container
need not be placarded. However, if not
placarded, it must be labeled in accordance with subpart E of this part.
(c) Notwithstanding paragraphs (a)
and (b) of this section, packages containing hazardous materials, other
than ORM-D, offered for transportation
by air in freight containers are subject
to the inspection requirements of
Section 175.30 of this chapter.
[Amdt. 172-29, 41 FR 15996, Apr. 15, 1976]
EDITORIAL NOTE: For FEDERAL REGISTER citations affecting Section 172.513, see the List of CFR
Sections Affected, which appears in the
Finding Aids section of the printed volume
and at www.fdsys.gov.

Section 172.514 Bulk packagings.
(a) Except as provided in paragraph
(c) of this section, each person who offers for transportation a bulk packaging which contains a hazardous material, shall affix the placards specified
for the material in SectionSection 172.504 and 172.505.
(b) Each bulk packaging that is required to be placarded when it contains
a hazardous material, must remain
placarded when it is emptied, unless
it - 
(1) Is sufficiently cleaned of residue
and purged of vapors to remove any potential hazard;
(2) Is refilled, with a material requiring different placards or no placards, to
such an extent that any residue remaining in the packaging is no longer
hazardous; or
(3) Contains the residue of a hazardous substance in Class 9 in a quantity less than the reportable quantity,

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