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    Occupational determinants of chlorpyrifos adducts to plasma cholinesterase in chlorpyrifos exposed agricultural workers in Washington State

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    AppendixAChERiskFactorssurveyEnglish.pdf (4.208Mb)
    Date
    2012
    Author
    Riutta, Aaron
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    Abstract
    Chlorpyrifos is a broad-spectrum chlorinated organophosphorus (OP) insecticide, acaricide, and miticide utilized around the world to control a variety of pests. It is primarily a non-systemic contact poison that interferes with the activity of acetylcholinesterase (AChE), an enzyme essential for nervous system function for humans and insects alike. Chlorpyrifos is the common name for 0,0-diethyl-0-(3,5,6-trichloro-2-pyridinyl)-phosphorothioate. This chemical is a colorless to white crystalline solid that possesses a mild mercaptan-like (thiol) odor. With a low solubility of 1.12 mg/L of water at 240C (Racke, 1993) and being hydrophobic, chlorpyrifos is generally mixed with oily liquids instead of water before application (ATSDR, 1997).
    URI
    http://hdl.handle.net/1773/34326
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