Yen-Yi Lee1, Wen-Che Hou 1, Jinning Zhu 2, Weiwei Wang2

Department of Environmental Engineering, National Cheng Kung University, Tainan 70101, Taiwan
School of Resources and Environmental Engineering, Hefei University of Technology, Hefei 246011, China

Received: July 20, 2018
Revised: September 21, 2018
Accepted: September 21, 2018
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Cite this article:
Lee, Y.Y., Hou, W.C., Zhu, J. and Wang, W. (2018). Wet Deposition of PCDD/Fs in Taiwan. Aerosol Air Qual. Res. 18: 2600-2611.


  • Atmospheric wet deposition fluxes in Taiwan.
  • The total scavenging ratios in Taiwan.
  • PCDD/Fs concentrations in the rain in Taiwan.


In 2017, the seasonal variations in the wet deposition fluxes of total-PCDD/Fs-WHO2005-TEQ in ambient air were evaluated in Taiwan. The results showed the annual wet deposition fluxes of total-PCDD/Fs-WHO2005-TEQ to be 42.5 pg WHO2005-TEQ m–2 month–1, and the seasonal distributions were 53.3, 62.9, 26.7 and 27.1 pg WHO2005-TEQ m–2 month–1 in spring, summer, autumn and winter, respectively. The average Stot of total-PCDD/Fs-WHO2005-TEQ was 12300. There were obvious seasonal variations in Stot, for which the values were 13840, 6540, 8280 and 20540 in spring, summer, autumn, and winter, respectively. The average concentration of total-PCDD/Fs-WHO2005-TEQ in the rain were 0.453, 0.176, 0.218 and 0.649 pg WHO2005-TEQ L–1 in spring, summer, autumn and winter, respectively. Atmospheric deposition is the major removal pathway for PCDD/Fs. The results of this study provide an evaluation of the adverse effects of PCDD/Fs exposure on human health, and provide a reason for the government to be concerned and to enact better control on air pollution.

Keywords: PM2.5; PCDD/Fs; Wet deposition; Scavenging ratio.


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