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자료유형
학술저널
저자정보
저널정보
환경독성보건학회 Environmental Analysis Health and Toxicology 환경독성학회지 제22권 제2호
발행연도
2007.6
수록면
177 - 184 (8page)

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Gaseous organochlorine pesticides (OCPs : heptachlor epoxide, p , p′-DDE, γ-HCH, α-chlordane, γ-chlordane and trans-nonachlor) concentration was measured using PUF high volume sampler from June, 2000 to June, 2002 in the semi-rural atmosphere.
The OCPs concentration in atmosphere, which is estimated by the slope (m) of Clausius-Clapeyron equation and phase-transition energy (?H), was influenced by revolatilization from environmental matrix (soil, water and tree leaves) and a long range transportation of air mass. But the former affected OCPs concentration more than the latter.
The degradation rate constants (k) of OCPs calculated using multiple regression analysis and revised standard temperature method were in good agreement each other. The value of k of γ-HCH was very low as -0.0007, but the range of k of other components were -0.0018~ -0.0038.
The half-life (τ) which was calculated by k of γ-HCH was 2.6 years-the longest one, but that of heptachlor epoxide was in 0.5 year-the shortest one. τ of α-chlordane, γ-chlordane and trans-nonachlor in technical chlordane was 1.0, 1.1 and 0.7 year respectively.

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