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http://dx.doi.org/10.7585/kjps.2016.20.3.271

Exposure Assessment of Apple Orchard Workers to the Insecticide Imidacloprid Using Whole Body Dosimetry During Mixing/Loading and Application  

Lee, Jae Yun (Department of Environmental and Biological Chemistry, College of Agriculture, Life and Environment Sciences, Chungbuk National University)
Noh, Hyun Ho (Department of Environmental and Biological Chemistry, College of Agriculture, Life and Environment Sciences, Chungbuk National University)
Park, Hyo Kyoung (Department of Environmental and Biological Chemistry, College of Agriculture, Life and Environment Sciences, Chungbuk National University)
Jeong, Hye Rim (Department of Environmental and Biological Chemistry, College of Agriculture, Life and Environment Sciences, Chungbuk National University)
Jin, Me Jee (Department of Environmental and Biological Chemistry, College of Agriculture, Life and Environment Sciences, Chungbuk National University)
Park, Kyung-Hun (Department of Agro-Food Safety, National Academy of Agricultural Science)
Kim, Jeong-Han (Department of Agricultural Biotechnology, Seoul National University)
Kyung, Kee Sung (Department of Environmental and Biological Chemistry, College of Agriculture, Life and Environment Sciences, Chungbuk National University)
Publication Information
The Korean Journal of Pesticide Science / v.20, no.3, 2016 , pp. 271-279 More about this Journal
Abstract
To evaluate exposure characteristics of the insecticide imidacloprid to apple orchard workers during treatment on orchard fields and evaluate its potential risk using a whole body dosimetry (WBD) method, 1,000-time diluted acephate+imidacloprid 25(20+5)% solutions were sprayed on 10 apple orchard fields in Cheongju with a speed sprayer at a rate of 3,000 L/ha/person, after put on clothes such as inner/outer clothes, personal air pump with a IOM sampler, nitrile glove and mask. Exposure test included mixing, loading and application steps. The test pesticide imidacloprid residues in the collected samples were analyzed with a HPLC-DAD. Recoveries ranged from 81.5 to 108.6% for analytical method validation and from 73.8 to 86.7% for field recovery. Total exposed amounts to mixer/loader and applicator were found to be 0.0014-0.0279% of total applied active ingredient of imidacloprid. Glove exposure of both mixer/loader and applicator was higher than the other parts. Margins of safety of mixer/loader and applicator were calculated to be 97-355 and 46-196, respectively, indicating that exposure risk of imidacloprid to apple orchard workers by spraying with a speed sprayer was very low.
Keywords
Apple orchard; imidacloprid; MOS; pesticide exposure; WBD;
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Times Cited By KSCI : 7  (Citation Analysis)
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