2008 年 23 巻 4 号 p. 246-251
In Japan since 1996, “Bun-en (smoking area isolation) ” has been promoted as a solution for preventing passive smoking by the initiative of the Ministry of Health, Labor and Welfare in Japan. In 2002, the Ministry of Health, Labor and Welfare reported that the reduction in the concentration of particulate component generated by tobacco smoking is not sufficient for the prevention of passive smoking, and that the importance of reducing gaseous components was suggested. In addition, ventilation equipment was recommended to protect nonsmokers from passive smoking by reducing both gaseous and particulate components. The author measured the concentrations of particulate and gaseous components (carbon monoxide) generated from tobacco smoke in smoking area where the air purifier and air ventilation system were installed, and showed the effectiveness of simultaneous usage of air purifier and the air ventilating equipment for tobacco smoke.