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49 CFR Ch. I (10–1–18 Edition) 

§ 172.313 

the illustration shown in this para-
graph, on two opposite vertical sides of 
the package with the arrows pointing 
in the correct upright direction. The 
arrows must be either black or red on 
white or other suitable contrasting 
background and commensurate with 
the size of the package. Depicting a 
rectangular border around the arrows 
is optional. 

(b) Arrows for purposes other than 

indicating proper package orientation 
may not be displayed on a package con-
taining a liquid hazardous material. 

(c) The requirements of paragraph (a) 

of this section do not apply to— 

(1) A non-bulk package with inner 

packagings which are cylinders. 

(2) Except when offered or intended 

for transportation by aircraft, pack-
ages containing flammable liquids in 
inner packagings of 1 L or less prepared 
in accordance with § 173.150 (b) or (c) of 
this subchapter. 

(3) When offered or intended for 

transportation by aircraft, packages 
containing liquid hazardous materials 
in inner packagings of 120 mL (4 fluid 
oz.) or less when packed with sufficient 
absorption material between the inner 
and outer packagings to completely ab-
sorb the liquid contents. 

(4) Liquids contained in manufac-

tured articles (e.g., alcohol or mercury 
in thermometers) which are leak-tight 
in all orientations. 

(5) A non-bulk package with hermeti-

cally sealed inner packagings not ex-
ceeding 500 mL each. 

(6) Packages containing liquid infec-

tious substances in primary receptacles 
not exceeding 50 mL (1.7 oz.). 

(7) Class 7 radioactive material in 

Type A, IP–2, IP–3, Type B(U), or Type 
B(M) packages. 

[Amdt. 172–123, 55 FR 52591, Dec. 21, 1990, as 
amended at 56 FR 66254, Dec. 20, 1991; 57 FR 
45458, Oct. 1, 1992; 64 FR 51918, Sept. 27, 1999; 
66 FR 45379, Aug. 28, 2001; 68 FR 45030, July 31, 
2003; 71 FR 54395, Sept. 14, 2006; 71 FR 78627, 
Dec. 29, 2006; 76 FR 3365, Jan. 19, 2011; 78 FR 
1073, Jan. 7, 2013] 

§ 172.313

Poisonous hazardous mate-

rials. 

In addition to any other markings re-

quired by this subpart: 

(a) A material poisonous by inhala-

tion (see § 171.8 of this subchapter) shall 
be marked ‘‘Inhalation Hazard’’ in as-
sociation with the required labels or 
placards, as appropriate, and shipping 
name when required. The marking 
must be on two opposing sides of a bulk 
packaging. (See § 172.302(b) of this sub-
part for size of markings on bulk pack-
ages.) When the words ‘‘Inhalation Haz-
ard’’ appear on the label, as prescribed 
in §§ 172.416 and 172.429, or placard, as 
prescribed in §§ 172.540 and 172.555, the 
‘‘Inhalation Hazard’’ marking is not re-
quired on the package. 

(b) Each non-bulk plastic outer pack-

aging used as a single or composite 
packaging for materials meeting the 
definition of Division 6.1 (in § 173.132 of 
this subchapter) shall be permanently 
marked, by embossment or other dura-
ble means, with the word ‘‘POISON’’ in 
letters at least 6.3 mm (0.25 inch) in 
height. Additional text or symbols re-
lated to hazard warning may be in-
cluded in the marking. The marking 
shall be located within 150 mm (6 
inches) of the closure of the packaging. 

(c) A transport vehicle or freight con-

tainer containing a material poisonous 
by inhalation in non-bulk packages 
shall be marked, on each side and each 
end as specified in § 172.332 or § 172.336, 
with the identification number speci-
fied for the hazardous material in the 
§ 172.101 table, subject to the following 
provisions and limitations: 

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