한국산업보건학회지 (Journal of Korean Society of Occupational and Environmental Hygiene)

  • 제16권2호
  • /
  • Pages.101-109
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  • 2006
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  • 2384-132X(pISSN)
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  • 2289-0564(eISSN)
한국산업보건학회 (Korean Industrial Hygiene Association)
권호 표지

종합병원의 실내공기에 분포하는 부유 세균과 진균의 입경별 종류와 특성

Size-based Characteristics of Airborne Bacteria and Fungi Distributed in the General Hospital

  • 김기연 (신시네티대학교 환경보건학과) ;
  • 이창래 (연세대학교 의과대학 산업보건연구소) ;
  • 김치년 (연세대학교 의과대학 산업보건연구소) ;
  • 원종욱 (연세대학교 의과대학 산업보건연구소) ;
  • 노재훈 (연세대학교 의과대학 산업보건연구소)
  • Kim, Ki-Yeon (Center for Health Related Aerosol Studies, Department of Environmental Health, Univ. of Cincinnati) ;
  • Lee, Chang-Rae (Institute for Occupational Health, College of medicine, Yonsei University) ;
  • Kim, Chi-Nyon (Institute for Occupational Health, College of medicine, Yonsei University) ;
  • Won, Jong Uk (Institute for Occupational Health, College of medicine, Yonsei University) ;
  • No, Jaehoon (Institute for Occupational Health, College of medicine, Yonsei University)
  • 투고 : 2006.03.03
  • 심사 : 2006.04.19
  • 발행 : 2006.06.30
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초록

The objective of this study is to provide fundamental data for pertinent management of indoor air quality through investigating the size-based characteristics of bioaerosol distributed in the general hospital. Measurement sites are main lobby, ICU, ward and laboratory and total five times were sampled with six-stage cascade impactor. Based on the result of this study, concentrations of airborne bacteria and fungi were the highest in main lobby as followed by an order of ward, ICU and laboratory. Concentrations of airborne bacteria was generally higher than those of airborne fungi and the ratio of indoor and outdoor concentration of both exceeded 1.0 in all the measurement sites of the general hospital. The predominant genera of airborne bacteria identified in the general hospital were Staphylococcus spp.(50%), Micrococcus spp.(15-20%), Corynebacterium spp.(5-20%), and Bacillus spp.(5-15%). On the other hand, the predominant genera of airborne fungi identified in the general hospital were Cladosporium spp.(30%), Penicillium spp.(20-25%), Aspergillus spp.(15-20%), and Alternaria spp.(10-20%). In regard to size distribution of bioaerosol, the detection rate was generally highest on 5 stage($1.1-2.1{\mu}m$) for airborne bacteria and on 1 stage(>$7.0{\mu}m$) for airborne fungi. Cleanliness of facilities in the general hospital and condition of HVAC system should be monitored regularly to prevent indoor air contamination by airborne microorganisms.

키워드

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