Table 2. Ventilation systems and maximum occupancy of the various areas of the cruise ship during 7-Day River Cruise.

Area	Volume, m3 (area × height)	Ventilation system	Maximum occupancy
Cabin	21 (10 × 2.1)	Air supply from corridor and extrusion through the bathroom	2
Corridors	105 (50 × 2.1)	Air from common areas leading to cabins	15
Restaurant	262 (125 × 2.1)	Mechanical recirculation	110
Lounge	440 (200 × 2.2)	Mechanical ventilation, mixing recirculated and fresh air	110
Reception hall	80 (36 × 2.2)	Mechanical ventilation, mixing recirculated and fresh air	50