Characteristics of concentration distribution for indoor air pollutants (VOCs and Carbonyl compounds) in new apartments

신축 공동주택에서 실내공기오염물질(휘발성유기화합물 및 카보닐화합물) 농도분포 특성

  • Jang, Seong-Ki (Indoor Air Quality Division, National Institute of Environmental Research) ;
  • Chun, Jae-Young (Indoor Air Quality Division, National Institute of Environmental Research) ;
  • Lee, Tae-Young (Indoor Air Quality Division, National Institute of Environmental Research) ;
  • Lim, Soo-Gil (Indoor Air Quality Division, National Institute of Environmental Research) ;
  • Lu, Jung-Min (Indoor Air Quality Division, National Institute of Environmental Research) ;
  • Seo, Soo-Yun (Indoor Air Quality Division, National Institute of Environmental Research) ;
  • Lim, Jeong-Yun (Indoor Air Quality Division, National Institute of Environmental Research)
  • 장성기 (국립환경과학원 실내환경과) ;
  • 천재영 (국립환경과학원 실내환경과) ;
  • 이태형 (국립환경과학원 실내환경과) ;
  • 임수길 (국립환경과학원 실내환경과) ;
  • 류정민 (국립환경과학원 실내환경과) ;
  • 서수연 (국립환경과학원 실내환경과) ;
  • 임정연 (국립환경과학원 실내환경과)
  • Received : 2006.11.16
  • Accepted : 2006.12.02
  • Published : 2007.02.28

Abstract

This study was performed to investigate the distributions of volatile organic compounds and carbonyl compounds at the 120 households in new apartments before occupation. The concentration of toluene, m, p-xylene, formaldehyde, acetone and ethylbenzene dominated as $272.81{\mu}g/m^3$, $98.90{\mu}g/m^3$, $71.68{\mu}g/m^3$, $70.58{\mu}g/m^3$ and $49.76{\mu}g/m^3$, respectively. The identified compounds by standards occupied 42.5% of the TVOCs, also the concentration of toluene occupied the largest part of the identified compounds as 18.5%. The concentration of formaldehyde and acetone were 43.1% and 42.4% among carbonyl compounds. The indoor/outdoor ratio of the concentration of benzene, toluene, formaldehyde and o-xylene were investigated 1.29, 3.59, 10.76 and 28.74, respectively.

Keywords

Indoor air quality;Indoor/Outdoor ratio;Formaldehyde;VOCs

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