[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: 49CFR179.22]



[Page 1036]

 

                        TITLE 49--TRANSPORTATION

 

   CHAPTER I--PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, 

                      DEPARTMENT OF TRANSPORTATION

 

PART 179_SPECIFICATIONS FOR TANK CARS--Table of Contents

 

                  Subpart B_General Design Requirements

 

Sec. 179.22  Marking.



    In addition to any other marking requirement in this subchapter, the 

following marking requirements apply:

    (a) Each tank car must be marked according to the requirements in 

appendix C of the AAR Specifications for Tank Cars (IBR, see Sec. 171.7 

of this subchapter).

    (b) Each tank car that requires a tank-head puncture-resistance 

system must have the letter ``S'' substituted for the letter ``A'' in 

the specification marking.

    (c) Each tank car that requires a tank-head puncture-resistance 

system, a thermal protection system, and a metal jacket must have the 

letter ``J'' substituted for the letter ``A'' or ``S'' in the 

specification marking.

    (d) Each tank car that requires a tank-head puncture-resistance 

system, a thermal protection system, and no metal jacket must have the 

letter ``T'' substituted for the letter ``A'' or ``S'' in the 

specification marking.



[Amdt. 179-50, 60 FR 49077, Sept. 21, 1995, as amended by Amdt. 179-50, 

61 FR 33256, June 26, 1996; 68 FR 75759, Dec. 31, 2003]