46 C.F.R. § 153.316 Special cargo pumproom ventilation rate.
Title 46 - Shipping
When Table 1 refers to this section, the cargo pumproom ventilation system must change the air in the cargo pumproom 45 times per hour and discharge no less than 4 m (approx. 13.1 ft) above the deck.
Title 46: Shipping
PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS
Subpart B—Design and Equipment
Cargo Handling Space Ventilation
§ 153.316 Special cargo pumproom ventilation rate.