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병원내 실내공기 중 휘발성유기화합물의 농도분포에 관한 연구
이철민(Cheol Min Lee)⋅김윤신(Yoon Shin Kim)⋅;송민경(Min Kyung Song)⋅;심인숙(In Suk Sim)⋅;심상효(Sang Hyo Sim) 한국실내환경학회 2008 한국실내환경학회지 Vol.5 No.4
The airms of this study are to examine the concentrations of volatile organic compounds(VOCs) in hospitals and to compare concentrations of VOCsin hospital with public facilities. Mean concentraton of total volatile organic compounds(TVOCs) in hospital was 103.97 ± 87.39 ㎍/㎥, that was lower than guideline of KMOE. The highest concentration of VOCs in hospital was 19.07 ± 13.47 ㎍/㎥ for Toluene. The distribution of VOCs in hospitals was log-normal distribution. As the result of Monte carlo simulation, the distribution of VOCs in hospitals was log-normal distribution with the exception of Toluene with normal distribution.
실내 주거환경에서 주부를 대상으로 한 극저주파 자기장 노출수준 평가
홍승철(Seung-Cheol Hong)⋅;한명덕(Seung-Cheol Hong)⋅;김근영(Keun-Young Kim)⋅김윤신(Yoon Shin Kim) 한국실내환경학회 2009 한국실내환경학회지 Vol.6 No.1
The objective of this study was to evaluate Extremely Low Frequency Magnetic Fields (ELF-MFs) exposure level of housewives and the relation of residential environments with ELF-MFs exposure level in home. ELF-MFs measurements were performed for 58 housewives include 31 working women. Twenty-four hours personal MF exposure levels of housewives were slightly higher than working women as an arithmetic mean. However the median of 24 hours personal exposure levels for working women were significantly higher than housewives (p<0.05). The median of personal exposure levels due to the activity at home, working women were higher than housewives significantly (p<0.05). As a results of correlation of residential environments, such as their living environments, total income, type of water supply pipes, and distance from power line with ELF-MFs exposure level in home was different from the type of residence (p<0.05). This study could be informed as guidance for ELF-MFs exposure analysis in residential environment.