Journal of Environmental Health Sciences (한국환경보건학회지)

Korean Society of Environmental Health (한국환경보건학회)
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A Study on the Correlation and Concentration in Volatile Organic Compounds(Benzene, Toluene, Xylene) Levels According to the Indoor/Outdoor and the Type of Residents' House in Industrial Area

공단지역 일부 주민들의 주택유형 및 실내/외에 따른 VOCs(Benzene, Toluene, Xylene) 농도 및 상관성에 관한 연구

  • Lee, Che-Won (Department of Environmental Health Science, Soonchunhyang University) ;
  • Jeon, Hye-Li (Department of Environmental Health Science, Soonchunhyang University) ;
  • Hong, Eun-Ju (Department of Environmental Health Science, Soonchunhyang University) ;
  • Yu, Seung-Do (Environmental Epidemiology Division, Environmental Health Research Department, National Institute of Environmental Research) ;
  • Kim, Dae-Sun (Environmental Epidemiology Division, Environmental Health Research Department, National Institute of Environmental Research) ;
  • Son, Bu-Soon (Department of Environmental Health Science, Soonchunhyang University)
  • 이치원 (순천향대학교 환경보건학과) ;
  • 전혜리 (순천향대학교 환경보건학과) ;
  • 홍은주 (순천향대학교 환경보건학과) ;
  • 유승도 (국립환경과학원 환경보건연구과) ;
  • 김대선 (국립환경과학원 환경보건연구과) ;
  • 손부순 (순천향대학교 환경보건학과)
  • Received : 2010.07.26
  • Accepted : 2010.10.20
  • Published : 2010.10.31
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Abstract

The objectives of this study were to understand the characteristics of residents in industrial areas and factors affecting exposure to the Volatile Organic Compounds(VOCs : Benzene, Toluene, Xylene) as well as to assess exposure levels according to house-type, and whether residents were indoors or outdoors. This research was designed to assess the differences in exposure levels to indoor, outdoor and personal VOCs in a case group and a control group across all areas, as well as in each different area, from May to October 2007, in. 110 residents of the G, Y and H industrial areas of the Jun-nam province. The geometric mea-levels of airborne benzene for the case group 1.31part per billion(ppb) indoor, 1.29 ppb outdoor, and 1.32 ppb for personal exposure were significantly higher than for the control group 0.99, 0.87 and 0.57 ppb, respectively. The geometric mean level for toluene personal exposure across the G, Y and H areas was 5.70 ppb for the case group and 6.31 ppb for the control group. While the outdoor level was 4.27 ppb for the case group and 5.06 ppb for the control group, The indoor level for the case group was 4.78 ppb, similar to that of the control group 4.69 ppb. The geometric mean levels for airborne xylene across the G, Y and H areas were 0.16 ppb(outdoor), 0.12 ppb(personal exposure) and 0.10 ppb(indoor) for the case group, and for the control group were 0.17(personal exposure) and 0.09 ppb(indoor and outdoor). The indoor/outdoor(I/O) ratio for case group is 1.19, while that of the control group is 1.15, indicating that the indoor level was higher than the outdoor level. The interrelationship differences among the three different types of levels in the air in the G, Y and H areas are statistically significant, except for the difference between the indoor and outdoor figures for xylene. In terms of the different types of houses and energy type uesd, the geometric mean level for airborne benzene, toluene and xylene for houses were 1.61, 5.39 and 0.12 ppb, respectively. while the figures for flats were 0.67, 3.32 and 0.05 ppb, respectively. Outdoors, the levels of benzene and toluene in flats were 0.71 and 2.62 ppb, respectively. and 1.58 and 5.35 ppb in houses. For personal exposure, the house levels of benzene, toluene and xylene were all higher than for flats. Houses using oil for heating have significantly higher levels than flats, which use gas for heating.

Keywords

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