Characteristics of Contamination and Fate for PCDD/Fs in Ambient Air, Cheongju

청주지역 대기 중 PCDD/Fs 오염특성 및 거동

  • Kim, Kyoung-Soo (Division of Environmental, Landscape Architecture & Civil Engineering, Cheongju University)
  • 김경수 (청주대학교 환경조경토목공학부)
  • Received : 2009.02.05
  • Accepted : 2009.04.28
  • Published : 2009.04.30


To investigate the pollution levels and behavior of PCDD/Fs in ambient air, gaseous and particulate phase concentrations were measured at Cheongju city in 2008. The samples were collected at 3 sites (industrial, residential/commercial and rural region) by season (winter, spring and summer). The concentrations and TEQ concentrations of PCDD/DFs ranged from 0.73 to 2.43 pg/$m^3$ and from 0.007 to 0.122 pg TEQ/$m^3$, respectively. These levels were similar or lower than that of other domestic researches (from n.d. to 2.149 pg TEQ/$m^3$). The concentration of PCDD/Fs in particulate phase (from 54% to 98% against total concentration) were higher than that of gas phase. As a results of comparison of congener patterns and statistical analysis, PCDD/Fs was mainly influenced by a combustion process in ambient air, Cheongju city.


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