The Korean Journal of Pesticide Science (농약과학회지)

The Korean Society of Pesticide Science (한국농약과학회)
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Development of Multi-residue Analysis and Monitoring of Persistent Organic Pollutants (POPs) - Used Organochlorine Pesticides in Korea

국내에 사용되어 금지된 유기염소계 농약류의 다중분석법과 모니터링

  • Lim, Sung-Jin (Chemical Safety Division, National Institute of Agricultural Sciences, Rural Development Administration) ;
  • Oh, Young-Tak (Chemical Safety Division, National Institute of Agricultural Sciences, Rural Development Administration) ;
  • Yang, Ji-Yeon (Chemical Safety Division, National Institute of Agricultural Sciences, Rural Development Administration) ;
  • Ro, Jin-Ho (Chemical Safety Division, National Institute of Agricultural Sciences, Rural Development Administration) ;
  • Choi, Geun-Hyoung (Chemical Safety Division, National Institute of Agricultural Sciences, Rural Development Administration) ;
  • Ryu, Song-Hee (Chemical Safety Division, National Institute of Agricultural Sciences, Rural Development Administration) ;
  • Moon, Byeong-Chul (Chemical Safety Division, National Institute of Agricultural Sciences, Rural Development Administration) ;
  • Park, Byung-Jun (Chemical Safety Division, National Institute of Agricultural Sciences, Rural Development Administration)
  • 임성진 (농촌진흥청 국립농업과학원 화학물질안전과) ;
  • 오영탁 (농촌진흥청 국립농업과학원 화학물질안전과) ;
  • 양지연 (농촌진흥청 국립농업과학원 화학물질안전과) ;
  • 노진호 (농촌진흥청 국립농업과학원 화학물질안전과) ;
  • 최근형 (농촌진흥청 국립농업과학원 화학물질안전과) ;
  • 류송희 (농촌진흥청 국립농업과학원 화학물질안전과) ;
  • 문병철 (농촌진흥청 국립농업과학원 화학물질안전과) ;
  • 박병준 (농촌진흥청 국립농업과학원 화학물질안전과)
  • Received : 2016.10.21
  • Accepted : 2016.11.25
  • Published : 2016.12.31
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Abstract

This study was conducted to investigate residual organochlorine pesticides in green house soil and oriental melon, green pepper, and lettuce. The majority of them were designated as persistent organic pollutants (POPs) by the international community at the Stockholm Convention on Persistent Organic Pollutant. Extraction and clean-up method were developed using the QuEChERS method for residual organochlorine pesticides (OCPs) in soil and oriental melon, green pepper and lettuce. Recovery of OCPs in greenhouse soil and oriental melon, green pepper, and lettuce ranged from 73.3-110.6%. Limit of detection (LOD) of OCPs in soil and 3 crops were 0.01-0.08 and $0.11-0.17{\mu}g/kg$. The residues of OCPs in oriental melon, green pepper and lettuce greenhouse soil were analyzed by the developed method, and dieldrin, ${\beta}-endosulfan$ and endosulfan sulfate were detected at 1.4-72.5, 0.1-78.7 and $0.0-214.1{\mu}g/kg$, respectively. The detection frequency of 3 compounds in soils were 52 (29.7%), 34 (19.4%) and 57 (32.6%) among 175 samples, respectively. However, these compounds were not detected in all crop samples. The residue level in 3 crops were lower than 1/58.8 of maximum residue level of them. These results showed that the OCPs residue in oriental melon, green pepper, and lettuce greenhouse soil were not as high as crop safety threatening.

본 연구에서는 참외, 풋고추 및 상추 시설재배지 토양 및 작물 중 스톡홀름협약에서 대부분 잔류성유기오염물질(POPs)로 지정된 잔류성유기염소계 농약의 잔류량을 조사하였다. 토양 및 작물 중 잔류성유기염소계 농약 분석을 위한 추출 및 정제는 QuEChERS 방법을 다소 개선한 방법으로 수행되었다. 시설재배지 토양, 참외, 풋고추 및 상추 중 잔류성유기염소계 농약의 회수율은 각각 78.2-110.6, 85.2-94.2, 78.3-92.4 및 73.3-92.6% 이었으며, 토양과 3개 작물에서의 검출한계는 각각 0.01-0.08과 $0.11-0.17{\mu}g/kg$ 수준이었고, 상대표준편차는 토양 및 3개 작물에서 각각 1.0-4.1, 1.9-3.9, 2.8-4.8 및 2.5-5.8%로 20% 미만으로 적합한 범위이었다. 참외, 풋고추 및 상추 시설재배지 토양에서 dieldirn, ${\beta}-endosulfan$ 및 endosulfan sulfate 3 성분이 각각 1.4-72.5, 0.1-78.7 및 $0.0-214.1{\mu}g/kg$ 수준으로 검출되었으나 참외, 풋고추 및 참외의 모든 시료에서는 검출되지 않았다. 이러한 결과는 참외, 풋고추 및 상추 시설재배지 토양이 농산물 안전성을 위협할 정도로 잔류성유기염소계 농약으로 오염되지 않았음을 나타냈다.

Keywords

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