The Korean Journal of Pesticide Science (농약과학회지)

The Korean Society of Pesticide Science (한국농약과학회)
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Exposure Assessment of Apple Orchard Workers to the Insecticide Imidacloprid Using Whole Body Dosimetry During Mixing/Loading and Application

전신복장법을 이용한 농약 조제 및 살포 과정 중 살충제 Imidacloprid에 대한 사과 과수원 농작업자의 노출 평가

  • 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)
  • 이재윤 (충북대학교 농업생명환경대학 환경생명화학과) ;
  • 노현호 (충북대학교 농업생명환경대학 환경생명화학과) ;
  • 박효경 (충북대학교 농업생명환경대학 환경생명화학과) ;
  • 정혜림 (충북대학교 농업생명환경대학 환경생명화학과) ;
  • 진미지 (충북대학교 농업생명환경대학 환경생명화학과) ;
  • 박경훈 (국립농업과학원 농산물안전성부) ;
  • 김정한 (서울대학교 농생명공학부) ;
  • 경기성 (충북대학교 농업생명환경대학 환경생명화학과)
  • Received : 2016.09.28
  • Accepted : 2016.09.30
  • Published : 2016.09.30
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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.

전신복장법(whole body dosimetry, WBD)을 이용한 사과 과수원 농약 살포자의 살포농약 조제 및 살포 과정 중 imidacloprid 수화제 사용에 의한 노출 특성 및 위해성을 평가하기 위하여 농약 살포 전 방제복, 장갑, 마스크, 호흡 노출량 측정 장치를 착용한 후 speed sprayer를 이용하여 acephate+imidacloprid 25(20+5)% 1,000배 희석액을 3,000 L/ha/살포자의 비율로 청주 인근의 10개 사과 과수원에 살포하였다. 노출시험은 조제자와 살포자에 대하여 각각 나누어 수행하였다. 시험농약은 HPLC-DAD를 이용하여 분석하였으며, 부위별 평균 회수율은 81.5-108.6%, 평균 포장회수율은 73.8-86.7%로서 모두 적합하였다. 조제자 및 살포자의 노출량은 imidacloprid 총량 대비 0.0014-0.0279%이었으며, 조제자와 살포자 모두 장갑의 노출량이 가장 높았다. 또한 농약 살포자의 농약 사용에 대한 위해성을 측정하기 위한 안전한계(margin of safety, MOS)는 조제자와 살포자 각각 97-355, 46-196으로서 speed sprayer를 이용한 imidacloprid 살포 시 사과 과수원 농약 살포자에 대한 위해도는 매우 낮았다.

Keywords

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