Title 46
SECTION 169.627
169.627 Compartments containing diesel fuel tanks.
§ 169.627 Compartments containing diesel fuel tanks.Unless they are adequately ventilated, enclosed compartments or spaces containing diesel fuel tanks and no machinery must be provided with a gooseneck vent of not less than 2 1/2 inches in diameter. The vent opening must not be located adjacent to possible sources of vapor ignition.