Journal of Korean Society for Atmospheric Environment (한국대기환경학회지)

Korean Society for Atmospheric Environment (한국대기환경학회)
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Determination of Source Contribution Based on Aerosol Number and Mass Concentration in the Seoul Subway Stations

분진의 개수농도 및 질량농도에 입각한 서울시 지하철 역사 내 오염원의 기여도 결정

  • 최형욱 (경희대학교 환경응용화학대학 대기오염연구실 및 환경연구센터) ;
  • 황인조 (경희 대학교 산학협력 기술연구원) ;
  • 김신도 (서울시립 대학교 환경공학부) ;
  • 김동술 (경희대학교 환경응용화학대학 대기오염연구실 및 환경연구센터)
  • Published : 2004.02.01
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Abstract

The subway play an important part in serious traffic problems. However, because subway system is a closed environment, many serious air pollution problems occurred in subway stations and injured passenger's health. Therefor, it is a necessary to identify sources and to estimate pollutant sources in order to protect passenger's health and to keep clean subway environment. The purpose of this study was to analyze a air quality in the subway stations and to apply a new receptor methodology for quantitatively estimate of PM10 sources. In this study, the size distributions of particulate matters has been measured by using Aerosizer LD (U.S.A., API, Inc.). It's real time measurement capability of time-of-flight technique offers a significant advantage of user convenience and air pollution management. Also, the mass concentrations of PM 10 has been measured by using mini-vol portable sampler (U.S.A., Airmetrics Co.). The sampling performed in Seoul subway stations during the period of February 2000 and April 2000. The number distribution data used in this study consisted of 26 raw data sets in the Jongno-sam-ga station. Correlation Analysis can be used in subway stations for source separation and identification. Then, number contribution from each source is determined by the particle number balance (PNB). The mass concentration data used in this study consisted of 31 raw data in the 8 different stations. The mass contributions of PM10 sources in the concourse by using PMF/CMB model.

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