Journal of Korean Society for Atmospheric Environment (한국대기환경학회지)

Korean Society for Atmospheric Environment (한국대기환경학회)
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Study on Indoor Air Pollutants of Public Service Centers in Winter, Seoul

서울지역 공공청사 민원실의 겨울철 실내공기질에 관한 연구

  • Jeon, Jea-Sik (Seoul Metropolitan Government Research Institute of Public Health & Environment) ;
  • Kim, Mi-Hyung (R&D Team, Anytech) ;
  • Lee, Ju-Yeol (R&D Team, Anytech) ;
  • Jeon, Myung-Jin (Seoul Metropolitan Government Research Institute of Public Health & Environment) ;
  • Ryu, In-Cheol (Seoul Metropolitan Government Research Institute of Public Health & Environment) ;
  • Park, Duck-Shin (Railroad Air Quality Research Corps, Korea Railroad Research Institute) ;
  • Choi, Han-Young (Department of Environmental Health, Eulji University)
  • 전재식 (서울특별시보건환경연구원 대기부) ;
  • 김미형 (애니텍 기술연구소) ;
  • 이주열 (애니텍 기술연구소) ;
  • 전명진 (서울특별시보건환경연구원 대기부) ;
  • 류인철 (서울특별시보건환경연구원 대기부) ;
  • 박덕신 (한국철도기술연구원 도시철도공기질연구단) ;
  • 최한영 (을지대학교 보건환경과학부)
  • Received : 2011.06.27
  • Accepted : 2011.09.14
  • Published : 2011.10.31
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Abstract

This study evaluated the indoor air quality of 26 government offices located in Seoul. The pollutant samples were taken from Jan. 13th to Jan. 29th and Feb. 20th to Feb. 23rd, 2010 in the offices. The target indoor pollutants for this study were $PM_{10}$, formaldehyde, carbon monoxide, carbon dioxide, total bacteria counts, total volatile organic compounds, radon, nitrogen dioxide, ozone, and asbestos which were controlled by the indoor air quality law for the multiple-use facilities management. The results of this study showed that some pollutants of the 38.5% offices exceeded the standards of the air quality guideline. The correlation analysis of the same pollutants between indoor and outdoor represented that $NO_2$ (r=0.629, p<0.05) and $O_3$ (r=0.459, p<0.01) were significant, however, $PM_{10}$ and CO were not. The correlation analysis between different pollutants showed that CO and TVOC (total volatile organic compounds: r=0.724; p<0.01), CO and $NO_2$ (r=0.674; p<0.01), HCHO and humidity (r=0.605; p<0.01), $CO_2$ and TVOC (r=0.534; p<0.01), TBC (total bacteria counts) and Asbestos (r=0.520; p<0.01) were significant. The energy-saving system of government buildings in winter caused under-ventilated and poor air quality. This study suggests that the concentrations of radon and $CO_2$ should be used as an indicator for monitoring indoor air quality and maintaining effective ventilations.

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References

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