Journal of Environmental Science International (한국환경과학회지)

The Korean Environmental Sciences Society (한국환경과학회)
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Estimating Personal Exposures to Air Pollutants in University Students Using Exposure Scenario

노출 시나리오를 이용한 대학생들의 유해 공기오염물질 노출 추정

  • Kim, Sun-Shin (Department of Occupational Health, Catholic University of Daegu) ;
  • Hong, Ga-Yeon (Department of Occupational Health, Catholic University of Daegu) ;
  • Kim, Dong-Keon (Department of Occupational Health, Catholic University of Daegu) ;
  • Kim, Sung-Sam (Department of Occupational Health, Catholic University of Daegu) ;
  • Yang, Won-Ho (Department of Occupational Health, Catholic University of Daegu)
  • 김순신 (대구가톨릭대학교 산업보건학과) ;
  • 홍가연 (대구가톨릭대학교 산업보건학과) ;
  • 김동건 (대구가톨릭대학교 산업보건학과) ;
  • 김성삼 (대구가톨릭대학교 산업보건학과) ;
  • 양원호 (대구가톨릭대학교 산업보건학과)
  • Received : 2012.08.23
  • Accepted : 2013.01.14
  • Published : 2013.01.31
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Abstract

Studies evaluating the health effects of hazardous air pollutants assume that people's exposure to typical pollutant level is the same as specific regional pollutant level. However, depending on social and demographic factors, time-activity pattern of people can vary widely. Since most people live in indoor environments over 88% of the day, evaluating exposure to hazardous air pollutants is hard to characterize. Objective of this study was to estimate the exposure levels of university students of $NO_2$, VOCs(BTEX) and $PM_{10}$ using the scenarios with time-activity pattern and indoor concentrations. Using data from time-use survey of National Statistical Office in 2009, we investigated time-activity pattern of university students and hourly major action. A total of 1,057 university students on weekday and 640 on weekend spent their times at indoor house 13.04 hr(54.32%), other indoors 7.70 hr(32.06%), and transportation 2.36 hr(9.83%). Indoor environments in which university students spent their times were mainly house and school. Air pollutants concentrations of other indoor environments except house and school such as bar, internet cafe and billiard hall were higher than outdoors, indicating that indoor to outdoor ratios were above 1. According to three types of exposure scenarios, exposure to air pollutants could be reduced by going home after school.

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References

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