A class I occupancy has a bathrooom that is also served by a direct air conditioning system and it is the smallest humanly occupied space in the residence. The bathroom measures 6` x 8` with an 8` ceiling. According to Code, what is the maximun amount of R-22 refrigerant that may be used in the airconditioning system based on the room size?

A class I occupancy has a bathrooom that is also served by a direct air conditioning system and it is the smallest humanly occupied space in the residence. The bathroom measures 6` x 8` with an 8` ceiling. According to Code, what is the maximun amount of R-22 refrigerant that may be used in the airconditioning system based on the room size?