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Biosci Biotechnol Biochem

Title:		Degradation of the persistent organic pollutant [14C]heptachlor in Japanese field soils
Author(s):		Hayashi O; Kameshiro M; Satoh K;
Address:		"Chemistry Division, The Institute of Environmental Toxicology, Ibaraki, Japan. hayashi@iet.or.jp"
Journal Title:		Biosci Biotechnol Biochem
Year:		2013
Volume:		20130607
Issue:		6
Page Number:		1240 - 1244
DOI:		10.1271/bbb.130017
ISSN/ISBN:		1347-6947 (Electronic) 0916-8451 (Linking)
Abstract:		"The fate of [(14)C]heptachlor in Saitama soil and the degradation of [(14)C]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"
Keywords:		"*Biodegradation, Environmental Carbon Radioisotopes/*chemistry/toxicity Epoxy Compounds/chemistry Heptachlor/*chemistry/toxicity Heptachlor Epoxide/chemistry Indenes/chemistry *Soil Pollutants, Radioactive Volatilization Water/chemistry;"
Notes:		"MedlineHayashi, Osamu Kameshiro, Maiko Satoh, Kiyoshi eng England 2013/06/12 Biosci Biotechnol Biochem. 2013; 77(6):1240-4. doi: 10.1271/bbb.130017. Epub 2013 Jun 7"