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49 CFR Ch. I (10–1–18 Edition) 

§ 172.326 

[Amdt. 172–125, 58 FR 3348, Jan. 8, 1993, as amended by Amdt. 172–139, 59 FR 67487, Dec. 29, 1994] 

§ 172.326

Portable tanks. 

(a) 

Shipping name. 

No person may 

offer for transportation or transport a 
portable tank containing a hazardous 
material unless it is legibly marked on 
two opposing sides with the proper 
shipping name specified for the mate-
rial in the § 172.101 table. For transpor-
tation by vessel, the minimum height 
for a proper shipping name marked on 
a portable tank is 65 mm (2.5 inches); 
except that portable tanks with a ca-
pacity of less than 3,000 L (792.52 gal-
lons) may reduce the marking size to 
not less than 12 mm (0.47 inches). 

(b) 

Owner’s name. 

The name of the 

owner or of the lessee, if applicable, 

must be displayed on a portable tank 
that contains a hazardous material. 

(c) 

Identification numbers. 

(1) If the 

identification number markings re-
quired by § 172.302(a) are not visible, a 
transport vehicle or freight container 
used to transport a portable tank con-
taining a hazardous material must be 
marked on each side and each end as 
required by § 172.332 with the identifica-
tion number specified for the material 
in the § 172.101 table. 

(2) Each person who offers a portable 

tank containing a hazardous material 
to a motor carrier, for transportation 
in a transport vehicle or freight con-
tainer, shall provide the motor carrier 

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