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Annual Variation and Gas/Particie Partitioning of PCDD/DFs of Ambient Air at Busan, Korea
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 Title & Authors
Annual Variation and Gas/Particie Partitioning of PCDD/DFs of Ambient Air at Busan, Korea
Ok, Gon; Park, No-Jin; Hwang, Sung-Min; Lee, Seok-Hyung; Kim, Jee-Hoon; Kim, Sung-Yong;
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This study aims to monitor the variation of concentration of PCDD/DFs between the gaseous phase-particulate phases in the ambient air of urban area in Korea. This monitoring is evaluated by using the Junge-Pankow model and the Koa absorption model with the application of the Octanol-air partition coefficient. In this study, the ambient air samples were analyzed according to each congener group of the PCDD/DFs by HRGC/HRMS, which have been investigated for the past 5 years. In the results, the annual variation in the concentration level of PCDD/DFs in TSP was increased from in 1998 to in 2002, and from 31 fg I-TEQ/ to 94 fg I-TEQ/ in the I-TEQ. In the case of PUF of gaseous phase sample, their variation was increased from in 1998 to in 2002, and in the I-TEQ from 12 fg I-TEQ/ to 17 fg I-TEQ/. The relative coefficient between the gas phase concentration of PCDD/DFs and the temperature was a value of 0.744; the contributive rate of the temperature to the gaseous phase concentration was 0.554. According to the results, the pattern of the coefficient of distribution based on log is similar to the ambient air of the urban areas.
PCDD/DFs;Annual variation;Ambient air;Gas/Particle partitioning;
 Cited by
경북북부 인삼 재배 토양 중 Dioxins의 잔류,김정호;

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