Journal of Korean Society for Atmospheric Environment (한국대기환경학회지)

Korean Society for Atmospheric Environment (한국대기환경학회)
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Study on Improvement in Reliability of Analysis for VOCs and Aldehydes

대기 중 휘발성유기화합물질 및 알데하이드의 분석 신뢰도 향상에 관한 고찰

  • Lee M.D. (Air Quality Division, Environmental Diagnostics Research Department, National Institute of Environmental Research) ;
  • Lee S.U. (Air Quality Division, Environmental Diagnostics Research Department, National Institute of Environmental Research) ;
  • Lim Y.J. (Air Quality Division, Environmental Diagnostics Research Department, National Institute of Environmental Research) ;
  • Kim Y.M. (Air Quality Division, Environmental Diagnostics Research Department, National Institute of Environmental Research) ;
  • Kim S.Y. (Metropolitan Air Quality Management Office) ;
  • Moon K.J. (Geum River Basin Environmental Office) ;
  • Han J.S. (Air Quality Division, Environmental Diagnostics Research Department, National Institute of Environmental Research) ;
  • Chung I.R. (Air Quality Division, Environmental Diagnostics Research Department, National Institute of Environmental Research)
  • 이민도 (국립환경과학원 환경진단연구부 대기환경과) ;
  • 이상욱 (국립환경과학원 환경진단연구부 대기환경과) ;
  • 임용재 (국립환경과학원 환경진단연구부 대기환경과) ;
  • 김영미 (국립환경과학원 환경진단연구부 대기환경과) ;
  • 김소영 (수도권대기환경청) ;
  • 문광주 (금강유역환경청) ;
  • 한진석 (국립환경과학원 환경진단연구부 대기환경과) ;
  • 정일록 (국립환경과학원 환경진단연구부 대기환경과)
  • Published : 2006.08.01
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Abstract

Hazardous air pollutants (HAPs) have high toxicity and bioaccurnulation potentials into human body even inbsmall amount (levels of ng/$m^3$). As the levels of HAPs might be controversial, it has been become essential to establish the analysis method for correct results. In this study, various analysis methods of VOCs and Aldehydes were compared in order to select the proper methods in our condition. Sampling and analysis method of VOCs were followed to EPA TO-14a and TO-17. VOCs were collected in absorption tube and separated by thermal desorption unit then analyzed by GC/MSD. Aldehydes were sampled in DNPH-cartridge and extracted into solution then analyzed by HPLC as the same condition of EPA TO-13a. This study also shows the results of QA/QC system of selected methods. Some experiments could be improving the data assurance blank test, calibration check, repetition precision check, the determination of detection limit and reproducibility of the retention time. Precisions of VOCs and aldehydes were ranged in 2$\sim$9% and 1$\sim$4% RSD, respectively. Recovery rate of VOCs showed variable ranges from 60 to 133.5%. MDL of VOCs and aldehydes were 0.044$\sim$0.284 ppb and 0.14$\sim$1.02 ng, respectively.

Keywords

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