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18-28-1105.8.4  Quantity – Emergency conditions.
   Upon actuation of the refrigerant detector required in Section 18-28-1105.5, the mechanical ventilation system shall exhaust air from the machinery room in the following quantity:
where:
   Q = The airflow in cubic feet per minute (m3/s).
   G = The design mass of refrigerant in pounds (kg) in the largest system, any part of which is located in the machinery room.