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Indoor air quality of daycare centers in Seoul, Korea

Authors
 Sung Ho Hwang  ;  SungChul Seo  ;  Young Yoo  ;  Ki Yeon Kim  ;  Ji Tae Choung  ;  Wha Me Park 
Citation
 Building and Environment, Vol.124 : 186-193, 2017 
Journal Title
 Building and Environment 
ISSN
 0360-1323 
Issue Date
2017
Keywords
Daycare centers ; Indoor air quality ; Ventilation ; Building characteristics ; Water damage ; Management
Abstract
We determined the relation between indoor pollutants and certain building and environmental factors. We gathered data on variables such as biological pollutants (mold and bacteria), and chemical pollutants (formaldehyde, CO2, CO, and total volatile organic compounds, also known as TVOCs) from 25 daycare centers. The level of bacteria exceeded the limit of 800 CFU m−3 as mandated by Korea's Indoor Air Quality (IAQ) standard. The level of these bacteria showed a significant positive association with the building age and area, and a negative link with the ventilation time. As determined through a thermal assessment (p = 0.035), the levels of mold were significantly higher in water-damaged facilities than in those without. The levels of the five VOCs (benzene, toluene, ethylbenzene, xylene, and styrene) were observed at the highest indoors at night, compared to indoors and outdoors during the day. Proper ventilation and management of water and/or relative humidity in daycare buildings can help reduce the exposure to certain biological and chemical pollutants. The findings are useful to ensure the well-being of children in daycare centers.
Full Text
https://www.sciencedirect.com/science/article/pii/S0360132317303414
DOI
10.1016/j.buildenv.2017.07.042
Appears in Collections:
4. Graduate School of Public Health (보건대학원) > Graduate School of Public Health (보건대학원) > 1. Journal Papers
Yonsei Authors
Park, Wha Me(박화미) ORCID logo https://orcid.org/0000-0002-7499-0663
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/166207
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