This paper undertook an on-the-spot research on indoor air pollution and its health impact on the personnel in a computer network center of a newspaper headquarters building during the year 1997~1998. The results show that there was sick building syndrome (SBS) problem in the building, and the bad ventilation condition and indoor formaldehyde was responsible for such SBS problem. This investigation used a 24-item of 60-mm linear visual analogue rating scale for health evaluation. It seams that the results of the rating scale tests quite agree ...