| Selected organochlorine pesticides (OCPs) in surface soils from three major states from the northeastern part of India. | |
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MedLine Citation:
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PMID: 23288598 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Eighty-two surface soil samples were collected from forest, grassland, tea estate, wildlife sanctuary, wetland, and roadside areas from the northeastern states of India, viz., Tripura, Manipur, and Assam. Thirteen different organochlorine pesticides (OCPs) were detected from background soils using gas chromatography electron capture detector. Manipur soils were found to be with higher concentration of dichlorodiphenyltrichloroethanes (DDTs), hexachlorocyclohexanes (HCHs), and endosulfan followed by Tripura and Assam. The spearman correlation coefficient shows significant correlation between HCHs, DDTs, and endosulfan isomers (r (2) > 0.5 and p < 0.05). Additionally, α-HCH, δ-HCH, o,p'-DDE, and endosulfan-sulfate shows good correlation with total organic carbon in soil (r (2) = 0.5, p = 0.05), indicating that the soil organic matter could enhance adsorption of these compounds, also demonstrating that the present OCPs in the background soil were from similar source. Further principal component analysis evaluates that most of the higher volatile compounds where clustered together in soil. However, after comparing with different states of Indian soil samples, the concentrations of OCPs in the present study areas are much lower and comparable with background soil across the globe. |
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Authors:
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Ningombam Linthoingambi Devi; Paromita Chakraborty; Qi Shihua; Gan Zhang |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2013-1-5 |
Journal Detail:
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Title: Environmental monitoring and assessment Volume: - ISSN: 1573-2959 ISO Abbreviation: Environ Monit Assess Publication Date: 2013 Jan |
Date Detail:
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Created Date: 2013-1-4 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8508350 Medline TA: Environ Monit Assess Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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State key Laboratory of Biogeology and Environmental Geology, School of Environmental Studies, China University of Geosciences, 388, Lumo Road, Wuhan, 430074, China. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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