[Code of Federal Regulations]
[Title 49, Volume 2]
[Revised as of October 1, 2004]
From the U.S. Government Printing Office via GPO Access
[CITE: 49CFR172.330]

[Page 364-365]
 
                        TITLE 49--TRANSPORTATION
 
 CHAPTER I--RESEARCH AND SPECIAL PROGRAMS ADMINISTRATION, DEPARTMENT OF 
                             TRANSPORTATION
 
PART 172_HAZARDOUS MATERIALS TABLE, SPECIAL PROVISIONS, HAZARDOUS MATERIALS 
 
      Subpart B_Table of Hazardous Materials and Special Provisions
 
Sec. 172.330  Tank cars and multi-unit tank car tanks.

    (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 Sec. 172.302 with the identification number specified for 
the material in the Sec. 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 Sec. 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 Sec. 173.115 of this 
subchapter)

[[Page 365]]

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
Hydrogen cyanide, stabilized (less than 3% water)
Hydrogen fluoride, anhydrous
Hydrogen peroxide, aqueous solutions (greater 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 solution, or Phosphorus, yellow dry or Phosphorus, yellow, 
under water or Phosphorus, yellow, in solution
Phosphorus white, molten
Potassium nitrate and sodium nitrate mixtures
Potassium permanganate
Sulfur trioxide, stabilized
Sulfur trioxide, uninhibited

    (2) In a multi-unit tank car tank, unless the tank is marked on two 
opposing 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 
Sec. 172.101 table or with a common name authorized for the material in 
this subchapter (e.g., ``Refrigerant Gas''); and
    (ii) With the identification number specified for the material in 
the Sec. 172.101 table, unless marked in accordance with Sec. Sec. 
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 Sec. 172.332, with the identification number 
specified for the material in the Sec. 172.101 table.

[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]