Recently, a big change in indoor air environment has been recognized. This new problem is caused byhigh air tightness, high adiabatic and newly building material, and has been the cause of healthproblems which is called Sick Building Syndrome. This study has been conducted to understand thepresent state of indoor air pollution by chemical pollutions in 23 Japanese large-scale buildings to beopen for public people. We also investigated the personal exposure level of employees under theperiod of working at the above-mentioned building and of staying at individual houses.
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