What is the occupant load of a 50,000 gross square foot airport terminal concourse? 

Refrigeration units or systems having a refrigerant circuit containing Group A1 refrigerant shall be provided with approved emergency signs, charts, and labels in accordance with NFPA 704 when the quantity exceeds ___ lb. 

At each grinding, buffing, or wire brushing operation on magnesium, other than the rough finishing of casting, dust must be collected by means of suitable hoods or enclosures connected to a: 

Paint spray booths must have a clearance of ___ in. from unprotected combustible materials. 

The maximum quantity of liquefied petroleum gas (LP-gas) in containers stored by a dealer awaiting resale, and are at one location in a building that is not open to the public, is __ lb. water capacity.