[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: 49CFR179.103-4]

[Page 1032]
 
                        TITLE 49--TRANSPORTATION
 
 CHAPTER I--RESEARCH AND SPECIAL PROGRAMS ADMINISTRATION, DEPARTMENT OF 
                             TRANSPORTATION
 
PART 179_SPECIFICATIONS FOR TANK CARS--Table of Contents
 
 Subpart C_Specifications for Pressure Tank Car Tanks (Classes DOT-105, 
                         109, 112, 114 and 120)
 
Sec. 179.103-4  Safety relief devices and pressure regulators.

    (a) Safety relief devices and pressure regulators must be located on 
top of the tank near the center of the car on a nozzle, mounting plate 
or recess in the shell. Through or stud bolts, if used, must not enter 
the tank.
    (b) Metal guard of approved design must be provided to protect 
safety relief devices and pressure regulators from damage.

[Amdt. 179-10, 36 FR 21348, Nov. 6, 1971]