Journal of Korean Society for Atmospheric Environment (한국대기환경학회지)

Korean Society for Atmospheric Environment (한국대기환경학회)
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Characteristics of Polycyclic Aromatic Hydrocarbons in Ambient Air in Jeonju between July and November in 2002

2002년 6월부터 11월까지 전주지역 대기 중 다환방향족 탄화수소의 특성

  • Kim Hyoung-Seop (Department of Environmental Engineering, Chonbuk National University) ;
  • Ghim Young-Sung (Department of Environmental Science, Hankuk University of Foreign Studies) ;
  • Kim Jong-Guk (Department of Environmental Engineering, Chonbuk National University)
  • Published : 2006.08.01
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Abstract

Atmospheric concentrations of polycyclic aromatic hydrocarbons (PAHs) were measured at the Chonbuk National University located in Jeonju, four times between June and November 2002, each time for five days. Twenty-four compounds including five alkyl PAHs and byphenyl were analyzed. Average total concentration of 24 PAHs was 85 $\pm$ 15 ng/$m^3$ and about 94% of PAHs existed in the gas phase. On an average, naphthalene accounted for about 30% of the total PAHs concentration. The gas/particle partitioning was not much varied during the measurement period. High molecular weight PAHs with five and six rings were primarily associated with fine particles less than 1 $\mu$m. Lower molecular weight PAHs were evenly distributed in fine and coarse particles so that their distribution was similar to that of TSP.

Keywords

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