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Choi, Sung-Deuk
Environmental Analytical Chemistry Lab (EACL)
Research Interests
  • Persistent organic pollutants, Environmental Analysis and monitoring, Multimedia modeling, Fine particle

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Passive air sampler(PAS)와 기체/입자 분배모델을 이용한 대기 중 PCB 농도 산정

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Title
Passive air sampler(PAS)와 기체/입자 분배모델을 이용한 대기 중 PCB 농도 산정
Other Titles
Estimation of Air Concentrations of PCBs using Passive Air Samplers (PAS) and a Gas/particle Partition Model
Author
Baek, Song-YeeChoi, Sung-DeukChang, Yun Seok
Issue Date
2007-12
Publisher
한국대기환경학회
Citation
한국대기환경학회지, v.23, no.6, pp.734 - 743
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.
URI
https://scholarworks.unist.ac.kr/handle/201301/8170
ISSN
1598-7132
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