| THE CONCENTRATION OF PCDD/FS IN FLUE GAS AND
SOIL COLLECTED IN THE VICINITY OF VARIOUS
INCINERATORS, KOREA |
| Kyoung-Soo Kim1, Kyeo-Keun Kim1, and Jong-Guk Kim2† |
1Department of Environmental Engineering, Cheong Ju University, 36 Naeduck-dong Sangdang-gu Cheongju, Chungbuk, 360-764, Korea
2Center for Chemical Safety Management, Chonbuk National University, 664-14, Duckjin-dong, Jeonju, 561-756, Korea |
Corresponding Author:
Jong-Guk Kim ,Tel: +82-63-270-2448, Fax: +82-63-270-2449, Email: kjongguk@chonbuk.ac.kr
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Received: September 8, 2006; Accepted: April 6, 2007. |
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| ABSTRACT |
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PCDD/Fs monitoring was carried out to estimate the contamination level in soil samples taken in
the vicinity of the various incinerators throughout South Korea from July 2003 to December 2004. The
levels ranged from N.D. to 130.39 pg I-TEQ/g (d.w.) with an average concentration of 11.38 pg I-TEQ/g
(d.w.). The level of PCDD/Fs in this study is similar to that of other countries. Overall, the highest mean
concentration in the soil was found at 250 m from the stack. In addition, the flue gases were analyzed in
order to obtain the congener profiles of the PCDD/Fs emitted from the incinerators. The concentration of
I-TEQ in the flue gas ranged from 0.33 to 21.5 ng TEQ/Sm3. These levels were much lower than the concentration
stipulated in the Korean emission criterion (40 ng TEQ/Sm3 until 2005). The comparison of the
congener patterns using cluster analysis showed that the incinerators and PCP are sources of PCDD/Fs in
the soil samples according to the sampling point, but the possibility of unidentified combustion sources and
vehicles exists in the case of complex industrial regions. |
| Keywords:
PCDD/Fs | Incinerators | Soil | Congener Profiles |
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