環境大気中のダイオキシン類の挙動

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タイトル別名
  • Behavior of Atmospheric PCDDs and PCDFs in Osaka.
  • カンキョウ タイキ チュウ ノ ダイオキシンルイ ノ キョドウ

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The data of atmospheric PCDDs and PCDFs, determined by HRGC/HRMS in 1996 and also by HRGC/LRMS in 1986-1994 in Osaka, were analyzed to clarify compositions of their congeners in summer and winter and effects of wind and emission sources on the concentrations. In 1996, penta- and hexachlorinated PCDDs and PCDFs were found to be major, and to contribute mainly to the respective total TEQs. The concentrations of PCDDs and PCDFs in 1986-1996 were relatively high at 1.5-2.0m/s of averaged wind speed. In some urban areas, the data showed that PCDDs and PCDFs were distributed in higher concentrations down the wind of urban garbage incinerators.

収録刊行物

  • 環境化学

    環境化学 8 (4), 759-767, 1998

    一般社団法人 日本環境化学会

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