Degradation of the Persistent Organic Pollutant [14C]Heptachlor in Japanese Field Soils

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概要

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• The fate of [14C]heptachlor in Saitama soil and the degradation of [14C]heptachlor in four Japanese field soils over 112 d after application were investigated. Heptachlor was degraded mainly to cis-heptachlor epoxide by a biotic process and to 1-hydroxychlordene by an abiotic process in the field soils. Volatilization of heptachlor and cis-heptachlor epoxide from the soil was observed over the experimental period. The amount of 1-hydroxychlordene produced in the soils appeared to be related to the soil water contents. Because heptachlor and heptachlor epoxides are predicted to volatilize to the atmosphere and to persist in soils, these compounds are thought to spread among Japanese environmental compartments even after a ban on their use.

著者

• Satoh Kiyoshi

  Chemistry Div. The Inst. Of Environmental Toxicology

• Hayashi Osamu

  Chemistry Div. The Inst. Of Environmental Toxicology

• Kameshiro Maiko

  Chemistry Division The Institute Of Environmental Toxicology

• Hayashi Osamu

  Chemistry Division, The Institute of Environmental Toxicology

関連論文

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• Differences in Concentrations of Acetyl-CoA and Malonyl-CoA in Shoots and Roots of Zea mays
• Characterization of a Nocardioides-based, atrazine-mineralizing microbial colony isolated from Japanese riverbed sediment
• Degradation of the Persistent Organic Pollutant [14C]Heptachlor in Japanese Field Soils

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