Kajtar L., Herczeg L., Lang E., Hrustinszky T, Banhidi L.
Bibliographic info:
Healthy buildings , HB 2006, Lisboa, 4-8 june 2006, Vol I, p 85-90

Two experimental studies were carried out to examine the influence of indoor air carbon-dioxide pollutant concentration on human well-being and the intensity of mental work. Laboratory measurements of CO2 concentrations from 600 up to 5000 ppm were set .The results showed that CO2 concentration over 3000 ppm makes the well-being and the concentration of the subjects decline.