Investigation of environment and ventilation amount of classrooms at school in Japan

Yanai S., Okabe H., Okamoto S., Muramatsu S.
Year:
2005
Bibliographic info:
Proceeding of the 10th International Conference on Indoor Air Quality and Climate - 4-9 September 2005, Beijing, China. - 5p -

The air contamination has become a problem in Japanese classrooms. The indoor measurement of Formaldehyde and VOC has become compulsory according to the law. A simple method of measurement the constant concentration attenuation method has been used to investigate the ventilation amount in 14 classrooms. CO2 was used as a tracer gas.
The analysis of the relations between ventilation amount and concentration of VOC is presented.

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