[Code of Federal Regulations]

[Title 49, Volume 2]

[Revised as of October 1, 2005]

From the U.S. Government Printing Office via GPO Access

[CITE: 49CFR180.507]



[Page 1125]

 

                        TITLE 49--TRANSPORTATION

 

   CHAPTER I--PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, 

                      DEPARTMENT OF TRANSPORTATION

 

PART 180_CONTINUING QUALIFICATION AND MAINTENANCE OF PACKAGINGS

--Table of Contents

 

          Subpart F_Qualification and Maintenance of Tank Cars

 

Sec. 180.507  Qualification of tank cars.



    (a) Each tank car marked as meeting a ``DOT'' specification or any 

other tank car used for the transportation of a hazardous material must 

meet the requirements of this subchapter or the applicable specification 

to which the tank was constructed.

    (b) Tank car specifications no longer authorized for construction. 

(1) Tank cars prescribed in the following table are authorized for 

service provided they conform to all applicable safety requirements of 

this subchapter:



------------------------------------------------------------------------

    Specification prescribed in the        Other specifications

          current regulations                   permitted          Notes

------------------------------------------------------------------------

105A200W..............................  105A100W.................      1

105A200ALW............................  105A100ALW...............      1

105A300W..............................  ICC-105, 105A300.........

105A400W..............................  105A400..................

105A500W..............................  105A500..................

105A600W..............................  105A600..................

106A500X..............................  ICC-27, BE-27, 106A500...

106A800X..............................  106A800..................

107A * * * *..........................  .........................      2

------------------------------------------------------------------------

Note 1: Tanks built as Specification DOT 105A100W or DOT 105A100ALW may

  be altered and converted to DOT 105A200W and DOT 105A200ALW,

  respectively.

Note 2: The test pressures of tanks built in the United States between

  January 1, 1941 and December 31, 1955, may be increased to conform to

  Specification 107A. Original and revised test pressure markings must

  be indicated and may be shown on the tank or on a plate attached to

  the bulkhead of the car. Tanks built before 1941 are not authorized.



    (2) For each tank car conforming to and used under an exemption 

issued before October 1, 1984, which authorized the transportation of a 

cryogenic liquid in a tank car, the owner or operator shall remove the 

exemption number stenciled on the tank car and stamp the tank car with 

the appropriate Class DOT-113 specification followed by the applicable 

exemption number. For example: DOT-113D60W-E * * * * (asterisks to be 

replaced by the exemption number). The owner or operator marking a tank 

car in this manner shall retain on file a copy of the last exemption in 

effect during the period the tank car is in service. No person may 

modify a tank car marked under this paragraph unless the modification is 

in compliance with an applicable requirement or provision of this 

subchapter.

    (3) Specification DOT-113A175W, DOT-113C60W, DOT-113D60W, and DOT-

113D120W tank cars may continue in use, but new construction is not 

authorized.

    (4) Class DOT 105A and 105S tank cars used to transport hydrogen 

chloride, refrigerated liquid under the terms of DOT-E 3992 may continue 

in service, but new construction is not authorized.

    (5) Specification DOT-103A-ALW, 103AW, 103ALW, 103ANW, 103BW, 103CW, 

103DW, 103EW, and 104W tank cars may continue in use, but new 

construction is not authorized.



[Amdt. 180-8, 60 FR 49079, Sept. 21, 1995, as amended at 68 FR 48572, 

Aug. 14, 2003]