Subjective reactions to volatile organic compounds as air pollutants |
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| Institution: | 1. Department of Materials Engineering, Indian Institute of Science, Bangalore, 560012, India;2. Department of Chemistry, National Institute of Technology, Durgapur, WB, 713209, India;1. Technical Mechanics Group, Faculty of Mechanical Engineering, Technische Universität Ilmenau, 98684 Ilmenau, Germany;2. Chaif of Magnetofluiddynamics, Measuring and Automation Technology, Technische Universität Dresden, 01062 Dresden, Germany;3. State Scientific Research Institute of Chemistry and Technology of Organoelement Compounds, 111123 Moscow, Russia;1. College of Life Information Science and Instrument Engineering, Hangzhou Dianzi University, Hangzhou, People’s Republic of China;2. Department of Chemistry, Zhejiang University, Hangzhou 310027, People’s Republic of China;3. Research Institute for Soft Matter and Biomimetics, Department of Physics, Xiamen University, Xiamen 361005, People’s Republic of China;4. College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, People’s Republic of China;5. School of Medicine, Hangzhou Normal University, Hangzhou 310016, People’s Republic of China |
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| Abstract: | Human subjective reactions to indoor air pollution in the form of volatile organic compounds in five concentrations ? mg m?3 were examined in a climate chamber under controlled conditions in a balanced experimental design. The reactions of 25 subjects were registered in two questionnaires containing 25 and six questions and on a linear analogue rating scale. Each subject was tested for one day including four runs in each of the five treatments of 50 min duration. Dose effects were found for perceived odour intensity at 3 mgm?3. Air quality, need for ventilation, irritation of eye and nose showed significant effect at 8 mg m?3. Significant reduced well being was reported at 25 mgm?3. The analyses indicated that lower threshold for some of these effects would have been found if more subjects or longer exposure-times had been used. Gender, age, occupational education and smoking habits were co-factors for many of the symptoms reported. |
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