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KMID : 0385520070200060453
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Analytical Science & Technology
2007 Volume.20 No. 6 p.453 ~ p.459
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Tendency of the indoor pollutants along with increased dwelling periodat new apartme
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Jang Seong-Ki
Seo Soo-Yun
Lee Woo-Suk
Lim Jeong-Yun
Ryu Jung-Min
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Abstract
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This study is for investigation of indoor conditions with air contamination after occupation 120 households in brand-new apartments by measuring the concentration of VOCs and carbonyl compounds. It has been found that TVOC (total volatile organic compounds; TVOCs) were 688.61 ㎍/㎥ after moving in. And formaldehyde, toluene, m, p-xylene, acetone and ethylbenzene were 158.56 ㎍/㎥, 146.58 ㎍/㎥, 69.28 ㎍/㎥, 63.80 ㎍/㎥ and 29.65 ㎍/㎥, respectively. The mean concentrations of indoor air pollutants tend to decrease along an increase dwelling period. But, the mean concentration of d-limonene increased from 2 months to 10 months. Also, toluene, ethylbenzene, m, p, o-xylene amounted to 38.8 % among VOCs studied, this ratio tend to decrease along with and increased dwelling period.
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KEYWORD
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indoor air quality, new apartments, formaldehyde, VOCs
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