49 C.F.R. § 179.103-2 Manway cover.
Title 49 - Transportation
(a) The manway cover must be an approved design. (b) If no valves or measuring and sampling devices are mounted on manway cover, no protective housing is required. [29 FR 18995, Dec. 29, 1964. Redesignated at 32 FR 5606, Apr. 5, 1967, and amended by Amdt. 179–50, 60 FR 49077, Sept. 21, 1995]
Title 49: Transportation
PART 179—SPECIFICATIONS FOR TANK CARS
Subpart C—Specifications for Pressure Tank Car Tanks (Classes DOT-105, 109, 112, 114 and 120)
§ 179.103-2 Manway cover.
