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KMID : 1024519920010010047
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Journal of the Environmental Sciences
1992 Volume.1 No. 1 p.47 ~ p.51
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Parameters Affecting Indoor Air Exposure to Volatile Organic Compounds
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Jo Wan-Kuen
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Abstract
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Volatile organic rompounds(VOCs) present in the VOCs-contaminated water are released to air while showering and their air concentrations depend on the shower parameters, resulting in the variation of the VOCs breath concentration. The present study evaluated the key shower parameters(water temperature and inhalation duration) that affect the inhalation exposure to air chloroform while showering, by determining chloroform breath concentration. The chloroform breath concentrations increased with water temperature and inhalation duration increase. The two inhalation exposure conditions which resulted in the greatest chloroform breath contentration difference were a 5 min-inhalation exposure with warm water and a 15 min-inhalation exposure with hot water. The chloroform breath concentration was almost three times higher after later exposure. The mathematical model analyzing the relationship between two key shower parameters and breath concentration normalized to water concentration fits quite Ivell with the experimental data at a probability of p : 0.0001.
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KEYWORD
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VOCs, inhalation exposure, shower parameter, inhalation duration, breath concentration, chloroform
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