AIR POLLUTION QUESTION

Indoor Air Pollution Five people are in a room that measures 3m x 3m x 4m. The initial CO, concentration in the room is 300ppm. Assume each person emits 50 L CO /h A) If the outside air is 400 ppm and there are 0.5 air changes per hour, what will be the equilibrium CO concentration? B) How many air changes per hour (n) are necessary to keep the room below the recommended Canadian limit of 3600ppm long-term? C) Would the original air change rate of 0.5 ACH be appropriate for a 2-hour meeting