Indoor air quality as a criterion for minimum ventilation rate.

Reviews the source and nature of pollutants occurring in indoor air. Discusses two research projects at the Institute of Hygiene and Work Physiology of the Swiss Federal Institute of Technology in Zurich; one studying the air pollution caused by men; theother concentrates on pollution caused by materials. Outlines methods of investigating odours. Concludes that control measures to reduce emissions are necessary. Recommends that guidelines for a minimum ventilation rate should be drawn.