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Annual Variation and Gas/Particie Partitioning of PCDD/DFs of Ambient Air at Busan, Korea

부산의 대기 중 PCDD/DFs의 연간 변화와 가스/입자상 분배

  • Ok, Gon (Department of Environmental Atmospheric Sciences Graduate School of Earth Environmental Engineering, Dioxin Research Center, Pukyong National University) ;
  • Park, No-Jin (Department of Environmental Atmospheric Sciences Graduate School of Earth Environmental Engineering, Dioxin Research Center, Pukyong National University) ;
  • Hwang, Sung-Min (Department of Environmental Atmospheric Sciences Graduate School of Earth Environmental Engineering, Dioxin Research Center, Pukyong National University) ;
  • Lee, Seok-Hyung (Department of Environmental Atmospheric Sciences Graduate School of Earth Environmental Engineering, Dioxin Research Center, Pukyong National University) ;
  • Kim, Jee-Hoon (Department of Environmental Atmospheric Sciences Graduate School of Earth Environmental Engineering, Dioxin Research Center, Pukyong National University) ;
  • Kim, Sung-Yong (Department of Environmental Atmospheric Sciences Graduate School of Earth Environmental Engineering, Dioxin Research Center, Pukyong National University)
  • 옥곤 (부경대학교 환경대기과학과, 대학원 지구환경공학과, 다이옥신연구센터) ;
  • 박노진 (부경대학교 환경대기과학과, 대학원 지구환경공학과, 다이옥신연구센터) ;
  • 황성민 (부경대학교 환경대기과학과, 대학원 지구환경공학과, 다이옥신연구센터) ;
  • 이석형 (부경대학교 환경대기과학과, 대학원 지구환경공학과, 다이옥신연구센터) ;
  • 김지훈 (부경대학교 환경대기과학과, 대학원 지구환경공학과, 다이옥신연구센터) ;
  • 김성용 (부경대학교 환경대기과학과, 대학원 지구환경공학과, 다이옥신연구센터)
  • Received : 2009.12.17
  • Accepted : 2010.02.03
  • Published : 2010.04.30

Abstract

This study aims to monitor the variation of concentration of PCDD/DFs between the gaseous phase-particulate phases in the ambient air of urban area in Korea. This monitoring is evaluated by using the Junge-Pankow model and the Koa absorption model with the application of the Octanol-air partition coefficient. In this study, the ambient air samples were analyzed according to each congener group of the PCDD/DFs by HRGC/HRMS, which have been investigated for the past 5 years. In the results, the annual variation in the concentration level of $\Sigma$PCDD/DFs in TSP was increased from $1588\;fg/m^3$ in 1998 to $5123\;fg/m^3$ in 2002, and from 31 fg I-TEQ/$m^3$ to 94 fg I-TEQ/$m^3$ in the $\Sigma$I-TEQ. In the case of PUF of gaseous phase sample, their variation was increased from $1615\;fg/m^3$ in 1998 to $2237\;fg/m^3$ in 2002, and in the $\Sigma$I-TEQ from 12 fg I-TEQ/$m^3$ to 17 fg I-TEQ/$m^3$. The relative coefficient between the gas phase concentration of PCDD/DFs and the temperature was a value of 0.744; the contributive rate of the temperature to the gaseous phase concentration was 0.554. According to the results, the pattern of the coefficient of distribution based on log $p_L^0$ is similar to the ambient air of the urban areas.

Keywords

PCDD/DFs;Annual variation;Ambient air;Gas/Particle partitioning

Acknowledgement

Supported by : 부경대학교

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