Full TGIF Record # 115078
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DOI:10.1081
Web URL(s):http://www.tandfonline.com/doi/full/10.1081/PFC-120025554
    Last checked: 11/16/2015
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http://www.tandfonline.com/doi/pdf/10.1081/PFC-120025554
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Publication Type:
i
Report
Author(s):Leland, Jarrod E.; Mullins, Donald E.; Berry, Duane F.
Author Affiliation:Leland and Mullins: Department of Entomology; Berry: Department of Crop and Soil Environmental Sciences, Virginia Polytechnic Institute and State University, Blacksburg, Virginia
Title:The fate of 14C-diazinon in compost, compost-amended soil, and uptake by earthworms
Source:Journal of Environmental Science and Health: Part B: Pesticides, Food Contaminants, and Agricultural Wastes. Vol. B38, No. 6, 2003, p. 697-712.
# of Pages:16
Publishing Information:New York: Marcel Dekker
Keywords:TIC Keywords: Pesticide rinsate; Diazinon; Waste management; Bioremediation; Earthworms; Chromatography; Half-life; Radioactive pollution; Pesticide fate; Composts; Uptake
Abstract/Contents:"A process for disposing of pesticide rinsates using sorption onto organic matter followed by composting is being evaluated. As a part of this evaluation process, we have studied the bioavailability of composted Δ-2-14C-diazinon and its degradation products to earthworms (Eisenia foetida Savigny) in 30 and 60 d compost amended soil. After 60 d of composting there was considerable degradation of diazinon (95%) and a corresponding increase in the primary hydrolysis product, 2-isopropyl-4-methyl-6-hydroxypyrimidine (IMHP) as determined by high performance thin layer chromatography (HPTLC). Approximately 50% of the radioactivity became incorporated into the non-extractable fractions associated with composted organic matter with no measurable amounts of 14CO2 produced during the 60-day composting period. Following addition of the composted materials to soil, diazinon leading to 50% mortality after 14 d of exposure; continued to slowly degrade and become increasingly sorbed/entrapped within the soil-compost matrix. Soil amended with 30-d composted diazinon was toxic to earthworms whereas, no mortality was observed in those earthworms exposed to the 60-d composted diazinon. However, earthworms exposed to 30-d and 60-d composted diazinon were found to have similar levels of radioactivity in their tissues. The majority of the radioactivity in earthworms exposed 60-d composted diazinon was either unextractably bound within the earthworm tissue or was not acetone soluble. Most of the radioactivity that could be extracted with acetone was not separated by the two HPTLC methods we used. This study demonstrates that composting high concentrations of diazinon can greatly reduce toxicity and the amount of diazinon that is bioavailable to a representative soil macroinvertebrate (E. foetida)."
Language:English
References:27
Note:Figures
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Leland, J. E., D. E. Mullins, and D. F. Berry. 2003. The fate of 14C-diazinon in compost, compost-amended soil, and uptake by earthworms. J. Environ. Sci. Health. B38(6):p. 697-712.
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DOI: 10.1081
Web URL(s):
http://www.tandfonline.com/doi/full/10.1081/PFC-120025554
    Last checked: 11/16/2015
    Access conditions: Item is within a limited-access website
    Notes: Guide page
http://www.tandfonline.com/doi/pdf/10.1081/PFC-120025554
    Last checked: 11/16/2015
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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MSU catalog number: QH 545 .P4 J6
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