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New Approaches for the Determination of Ventilation Rates: The Role of Sensory Perception

Department of Building and Environmental Science, Technical University of Prague, College of Building Sciences, Czech Republic

G.B. Leslie

Centre for Environmental Control and Waste Management, Imperial College of Science, Technology and Medicine, London

L.S. Levy

Industrial Toxicology Unit, Institute of Occupational Health, University of Birmingham, UK

This paper evaluates the use of sensory perception in defining indoor air qual ity and, in particular, in assessing appropriate ventilation rates for European office buildings. It is suggested that there is too little known about the odour pollution arising from building materials to use sensory perception alone to predict what ventilation systems and ventilation rates should be designed into a building to provide both health and comfort. Examples are given where the use of the olf unit could give quite misleading predictions. The ASHRAE 62- 1989 standard for defining ventilation rates in buildings is suggested as a prag matic, sensible and practical existing alternative.

Key Words: Olf unit • Decipol unit • Sensory perception • Ventilation requirements • Ventilation rates • Guidelines

Indoor and Built Environment, Vol. 2, No. 3, 143-148 (1993)
DOI: 10.1177/1420326X9300200303


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