M Ryhl-Svendsen, T Padfield, V. A. Smith, F. De Santis
Bibliographic info:
Healthy Buildings 2003 - Proceedings 7th International Conference (7th-11th December 2003) - National University of Singapore - Vol. 2, pp 278-283, 5 fig., 2 Tab, 1 Ref.

A study of the microclimate in four rooms in historic buildings reveals the different priorities,and, therefore, the different climatic data, needed by museum conservators, compared withpeople studying human welfare. In particular, it is important for conservators to know if a lowpollutant concentration indoors is due to a clean outdoor climate, a low air exchange rate orpollutant absorbent artwork on the interior walls of the building. Relative humidity is a qualityof the indoor climate that the conservator will try to hold within narrower bounds than thoseconsidered important to human health. A study of a historic archive shows how the structureof the room, the nature of the stored materials and the custodians decisions combine toinfluence the indoor climate. An important result of this study is that the data cannot beusefully interpreted without continuous measurement of the air exchange rate in comparabledetail to the measurements we routinely make of temperature, relative humidity and pollutionconcentration.