For certain products, the ventilation system as described
in 12.1.3 shall have a minimum
capacity of at least 45 changes of air per hour, based upon the total
volume of space. The ventilation system exhaust ducts shall discharge
at least 10 m away from openings into accommodation spaces, work areas
or other similar spaces, and intakes to ventilation systems, and at
least 4 m above the tank deck.