Journal of Korean Society for Atmospheric Environment (한국대기환경학회지)

Korean Society for Atmospheric Environment (한국대기환경학회)
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Estimation of Air Concentrations of PCBs using Passive Air Samplers (PAS) and a Gas/particle Partition Model

Passive Air Sampler (PAS)와 기체/입자 분배모델을 이용한 대기 중 PCB 농도 산정

  • Baek, Song-Yee (School of Environmental Science and Engineering, Pohang University of Science and Technology (POSTECH)) ;
  • Choi, Sung-Deuk (Department of Physical and Environmental Sciences, University of Toronto Scarborough) ;
  • Chang, Yoon-Seok (School of Environmental Science and Engineering, Pohang University of Science and Technology (POSTECH))
  • 백송이 (포항공과대학교 환경공학부) ;
  • 최성득 (토론토대학교 물리.환경과학과) ;
  • 장윤석 (포항공과대학교 환경공학부)
  • Published : 2007.12.31
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Abstract

Polyurethane foam-disk passive air samplers (PAS) were deployed in a southern area of Korea for three months. The target compounds were 12 coplanar polychlorinated biphenyls (PCBs). The congener profiles measured in this study were the same as those in ambient air and emission gas from the incinerator. A gradient of the total PCBs in different regions (industrial>residential>rural) was observed, suggesting the industrial complex may be an important source of coplanar PCBs. In general, only gas-phase compounds are mainly sequestrated by PAS. In order to estimate the concentration of particle-phase PCBs, a gas/particle partition model was used. A combined result (gas+particle-phase PCBs) was compared with previous results, indicating that the level of coplanar PCBs in our study area is comparable to those in other urban sites in the world. The validation of this method for estimating the total concentration is required through additional backup studies.

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References

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