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KMID : 0382420020280010085
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Korean Journal of Environmental Health Society
2002 Volume.28 No. 1 p.85 ~ p.92
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Distribtion and Classification of Indoor Concentration of Microorganisms in Public Buildings
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Kim Yoon-Shin
Lee Eun-Gyu
Yup Moo-Jong
Kim Key-Young
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Abstract
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A measurement of indoor microorganism using Reuter Centrifugal Air Sampler(RCS) was undertaken during October l99l-February l999 and 6-Stage Cascade Air Sampler was undertaken during May 200l-June 200l in Seoul. Sites including book store, department store, theater, subway station, underground shopping center, hospital, office building. sports facility. and eduationa institutio were chosen to measure indoor microorganism.
The results were as follows:
l. The average of total microorganlsm collected on the agar Strip GK-A media were, ln the order ‘ subway station, hospital, underground shopping center. department store, book store, theater. sports facility. educational institution- office building in sites-The highest concentration of 7llcfu/m³ was found in the subway station and the lowest concentration of 44cfu/m³ was found in office building.
2. The average of staphylococci collected on the agar strip GK-S media, in the order, were subway station ‘ underground shopping center-hospital and department Store, department store, theater, office building. sports facility and educational institution in sites-The highest concentration of 502cfu/m³ was found in the subway station and the lowest concentration of l4cfu/m³ was found in sports facility and educational institution.
3. The average of fungus collected on the agar Strip GK-HS media. in the order, were underground hospital. shopping center, theater, subway station, department store, hook store, sports facility, educational institution-and office building in sites The highest concentration of 252cfu/m³ was found in the hospital and the lowest concentration of 32cfu/m³ was found in office building
4. Ratio of lndoor/Outdoor, determined by site was l.l2-2.38 in total count, l.00-2.35 in staphylococci. and 0.99- l.34 in fungus.
5. The positive results of test were l2-24% in indoor and 943% in outdoor.
6. By gram staining gram positive cocci were 599%, gram positive bacill 24.4%, gram negative bacilli l0.4%. and gram negative cocci O 5%.
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