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Assessment of bioaerosols in the public buildings of Korea

Authors
 Ki-Youn Kim  ;  Jae-Beom Park  ;  Kyung-Jong Lee  ;  Chi-Nyon Kim  ;  Gyu-Yeob Jang 
Citation
 INDOOR AND BUILT ENVIRONMENT, Vol.16(5) : 465-471, 2007 
Journal Title
INDOOR AND BUILT ENVIRONMENT
ISSN
 1420-326X 
Issue Date
2007
Abstract
The concentration of airborne bacteria and fungi in public buildings is regulated by law in Korea. Levels are investigated during the moderate seasons, spring (March—May) and autumn (September—November), using a six-stage cascade impactor. Total concentrations of airborne bacteria and fungi range from 290 to 940 cfu · m-3 and 330 to 540 cfu · m -3, respectively. The levels of airborne bacteria and fungi are significantly highest in a kindergarten building and lowest in an elderly welfare facility ( p<0.05). The ratio of respirable to total concentration range from 30 to 40% for airborne bacteria and from 55 to 70% for airborne fungi but there is no significant difference among the public buildings examined ( p>0.05). The mean ratios of indoor and outdoor concentrations of airborne bacteria and fungi are below 1.0 regardless of the fraction of particle size and building type. The indoor concentration of airborne bacteria and fungi do not correlate significantly with indoor temperature and relative humidity ( p>0.05). However, this does have a significant positive correlation with CO2 and the number of people per area of the sampling site ( p<0.05), which implies that the activity of residents has considerable effect on the levels of both airborne bacteria and fungi.
Full Text
http://ibe.sagepub.com/content/16/5/465.short
DOI
10.1177/1420326X07082534
Appears in Collections:
4. Graduate School of Public Health (보건대학원) > Graduate School of Public Health (보건대학원) > 1. Journal Papers
Yonsei Authors
Kim, Chi Nyon(김치년) ORCID logo https://orcid.org/0000-0002-5693-3307
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/96115
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