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Breathing freely in schools - results and model approaches concerning the air quality in classrooms (In German)

Grams H, Hehl O, Dressman J, 2003
dioxide concentration | ventilation rate | humidity | school | temperature
Bibliographic info: Gesundheitswesen, 2003 Jul ; 65(7) , pp 447-456
Languages: English

Carbon dioxide concentration, indoor air temperature and relative air humidity are studied in 7 schools with natural ventilation systems, during 58 days on one year. The results show that the level of 1500 ppm of CO2 is exceeded in 39 days. A software programme was developed to calculate the CO2 concentration level according to the number of pupils and the ventilation rate.

Health problems may result from a too low ventilation rate.

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