Air quality and human health - Air Pollution Modeling and Its Application - page 501

of PCDDs/Fs in their results comparing to those of my study. According to
another study released (Raun et al., 2005), the occupation percentage of 1,2,3,4,
6,7,8-HpCDD and OCDD in 17 congener concentration was over 90%.

25

yr02
yr05
yr08

20

15

10

5

0

Fig. 2. Average congener profiles of PCDDs/Fs in ambient air in 2002, 2005 and 2008

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