한국환경보건학회지 (Journal of Environmental Health Sciences)

  • 제30권2호
  • /
  • Pages.154-160
  • /
  • 2004
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  • 1738-4087(pISSN)
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  • 2233-8616(eISSN)
한국환경보건학회 (Korean Society of Environmental Health)
권호 표지

서울 지하철 내 공기 중 먼지의 특성에 관한 연구

A study on Characteristics of Airborne Dusts in Seoul Subway Stations

  • 김진경 (서울대학교 보건대학원 환경보건학과) ;
  • 백남원 (서울대학교 보건대학원 환경보건학과)
  • 발행 : 2004.06.01
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초록

The purpose of this study was to evaluate airborne concentrations and characteristics of TSP, IPM, TPM and RPM in Seoul subway stations. Sampling was performed at 14 stations from April 11 to 29, 2002. Size-selective dust concentrations and metal concentrations were measured by gravimetric method and ICP-AES, respectively. The geometric mean of TSP, IPM, TPM and RPM concentrations in Seoul subway stations were 176$\mu\textrm{g}$/㎥, 348$\mu\textrm{g}$/㎥, 158$\mu\textrm{g}$/㎥ and 104$\mu\textrm{g}$/㎥, respectively. Dust concentrations in pathway were the highest and those in lobby were the lowest. The size distribution of dusts was significantly different by location of collection. When the deposition rate into pulmonary gas exchange region was estimated by size distribution, the deposition rate of dust collected from platform was higher than those of dust collected from lobby and pathway. The lower the basement levels were, the higher the deposition rates of dusts into tracheobronchial region and gas exchange region were. Copper and iron concentrations measured in platform higher were than those in other areas.

키워드

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