LoginThe purpose of this study is to identify the causality explaining indoor concentrations offormaldehyde, VOCs and fungi which have significant health effects. In the rainy season(July), summer (August), autumn (October) and winter (December), measurements werecarried out in three newly built apartment complexes. In each complex the same buildingmaterials were used. Temperature, relative humidity, concentrations of formaldehyde, VOCsand CFU (colony forming unit), were measured and questionnaire surveys were conducted.The concentrations of formaldehyde and VOCs were measured by passive samplers.Formaldehydes, acetaldehyde, benzene, toluene, ethylbenzene, o-, m-, p-xylene,p-dichlorobenzene, styrene and limonene were analysed.The concentration of formaldehyde did not decrease with the elapsed time within 6 months.However, for toluene and limonene, which were mainly emitted from building materials, theemission rates decreased with the elapsed time. A high CFU was detected in some apartmentsand no negative correlation was found between the concentration of formaldehyde andairborne fungi and between the concentrations of VOCs and airborne fungi.
Measurements of indoor concentrations of aldehydes, VOCs and fungi in newly built apartment houses in Tokyo
Year:
2003
Bibliographic info:
Healthy Buildings 2003 - Proceedings 7th International Conference (7th-11th December 2003) - National University of Singapore -. Vol. 1. , pp 148-153, 3 Fig., 8 Tab., 6 Ref.