49 C.F.R. § 179.12 Interior heater systems.
Title 49 - Transportation
(a) Interior heater systems shall be of approved design and materials. If a tank is divided into compartments, a separate system shall be provided for each compartment. (b) Each interior heater system shall be hydrostatically tested at not less than 13.79 bar (200 psig) and shall hold the pressure for 10 minutes without leakage or evidence of distress. [Amdt. 179–52, 61 FR 28678, June 5, 1996, as amended by 66 FR 45390, Aug. 28, 2001]
Title 49: Transportation
PART 179—SPECIFICATIONS FOR TANK CARS
Subpart B—General Design Requirements
§ 179.12 Interior heater systems.
