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KMID : 0382420010270020001
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Korean Journal of Environmental Health Society
2001 Volume.27 No. 2 p.1 ~ p.9
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A Study on the Microbial Air Pollution of Urban Living and Indoor Environment
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Chung Yung-Hee
Hong Jong-Ha
Chang Yun-Hee
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Abstract
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This study was carried out to investigate the microbial characteristics of the urban air pollution in the subway stations, streets, department stores, wholesale markets, underground shopping centers, buildings, parks, houses and apartments in the Seoul and the suburbs area. Total cell count, total mold count and the presence of opportunistic pathogens(Streptococcus pneumoniae, Klebsiella pneumoniae, Aspergillus spp., Penicillium spp.) were evaluated to determine the microbial air quality. Total cell count and mold count of indoor air in the houses and apartments were 2.9×10 exp(2)-6.3×10 exp (2) cfu/㎥ and 60-1.8×10 exp(2) cfu/㎥, respectively, and the department stores and wholesale markets had much lower cell count than the houses and apartments. Ground level of commercial facilities had lower cell and mold count than the underground level. Total cell count of the transfer subway stations were 2.6 fold higher than the general subway stations, and Apergillus spp. and Penicillium spp. which could cause the bronchus and lung diseases were detected 17 sampling sites out of 45. Dust were collected from the commercial facilities and houses, and total cell and mold count of the dust were 4.3×10 exp (3)-1.7×10 exp (6) cfu/g and 2.3×10 exp(3)-6.5×10 exp(4) cfu/g, respectively. Therefore the dust might be one of the main reservoir of microorganims.
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