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ISSN : 2288-9167(Print)
ISSN : 2288-923X(Online)
Journal of Odor and Indoor Environment Vol.13 No.4 pp.297-305

A study on health risk assessment of volatile organic compounds in child-care center

Won-Young Lee1*, Eun-Mi Jeon1, Young-Kwang Rho1, Seung-Sung Yoo1, Jung-Seop Yun1, Soo-Mi Eo1, Kweon Jung1, Shin-Do Kim2
1Seoul Metropolitan Government Research Institute of Public Health and Environment
2Institue of Urban Science, University of Seoul
*Corresponding author Tel : +82-2-570-3362
E-mail :
13 November, 2014 1 December, 2014 15 December, 2014


Volatile organic compounds(VOCs) detected frequently in the indoor air of child-care centers causes neurological disorders, lung, eyes, and bronchial irritation, and acute and chronic toxicity. In this study, the distributions of carcinogenic VOCs detected in child-care centers were characterized and a health risk assessment of the VOCs was performed, which can provide the necessary information for drawing up safety plans with respect to the concerned materials. The sampling of sites in day-care centers was undertaken two times: in the morning (10:00~12:00), and afternoon(16:00~20:00)-at 23 daycare centers located in Seoul, Korea from April, 2012 to July, 2012. The overall average concentrations of individual VOCs were benzene(1.61 μg/m3) > carbon tetrachloride (0.78 μg/m3) > chloroform(0.67 μg/m3) in order. Indoor/outdoor(I/O) ratios of benzene, carbon tetrachloride, chloroform were 1.33, 1.09, 1.72, respectively. Benzene and carbon tetrachloride are thought to be more strongly associated with outdoor sources as compared to chloroform. Spearman correlation of benzene, carbon tetrachloride between indoor and outdoor concentration showed statistically significant levels(p < 0.05). The linear correlations for benzene, styrene, and carbon tetrachloride were tested. A significant correlation was observed only for carbon tetrachloride, accounting for 83 % of the variance. The risk assessment of the carcinogenic VOCs for teachers, infants, and children showed that none of the targeted VOCs posed a serious risk.

어린이집 휘발성 유기화합물의 건강 위해성 평가에 관한 연구

이원영1*, 전은미1, 노영광1, 유승성1, 윤중섭1, 어수미1, 정 권1, 김신도2
1서울특별시 보건환경연구원
2서울시립대학교 환경공학과