Some Effects of Ventilation on People: Perceptions, physiologicalResponses and Mental Performance

This study explores the plausible mechanismlinking outdoor air supply rates and workperformance through the perceptual responsesand a target salivary biomarker. An extendedobjective is this study is to perform comparativestudy between the healthy and the asthmaticgroups of subjects. A total of 160 young adultsparticipated as voluntary subjects in two phases.The study was conducted in the FieldEnvironmental Chamber which simulates anoffice setting. Subjects rated the air quality at18.0L/s/p to be most acceptable, followed by9.0L/s/p and the least acceptable at 4.5L/s/p(P