Thirty residences were monitored for nitrogen dioxide, carbon monoxide, formaldehyde, respirable suspended particles, and air exchange rate for forty-one one-week periods using integrating samplers. The residences were located in the northwest a
Reports 312 measurements of ventilation rate in 31 rooms in old and new blocks of flats, 3 villa residences and a modern university building, made using coal gas as a tracer. Describes buildings and gives main results. Examines effect on air change rate of sealing flues and gratings, opening windows and weather conditions. Finds outside wind speed has most influence on ventilation rate. Discusses recommended standards of air supply.
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