The aim of that study was to determine the causes of Sick House Syndrome . 60 sick houses in Japan were investigated during six summer form 2000 to 2005. That field survey revealed that indoor air was polluted with high carbonyl compounds and VOC concentrations over the guidelines. There is a clear relationship between indoor air pollution and the causes of symptoms in houses.
Long-term field survey on IAQ and occupant's health in 57 sick houses in Japan

Year:
2006
Bibliographic info:
Healthy buildings , HB 2006, Lisboa, 4-8 june 2006, Vol III, p 315-320
