국내 논토양 및 밭토양 중 농약유래 잔류성유기오염물질의 노출량 평가
Exposure Assessment of Pesticide-Originated Persistent Organic Pollutants in Paddy and Upland Soils in Korea
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초록
BACKGROUND:This studywas conducted to investigate residual organochlorine pesticides (ROCPs) in agricultural soils and crops.Agricultural soil samples and crop samples were collected from 93 cities and counties. METHODS AND RESULTS: Extraction and clean-up for the quantitative analysis of ROCPs were conducted by the modified quick, easy, cheap, effective, rugged, and safe (QuEChERS) method. Recovery and limit of detection (LOD) of ROCPs in agriculturalsoils and crops were 76.5-103.0 and 75.2-93.2%, 0.01-0.08 and 0.10-0.15 μg/kg, respectively. Detected ROCPs in agricultural soils were α -endosulfan, β-endosulfan, and endosulfan sulfate, the residue were 2.0-12.0, 1.2-53.1, and 2.2-329.8 μg/kg, respectively. But these pesticides in all green perilla leaf and green pepper samples were not detected. CONCLUSION: These results showed that ROCPs residues in agricultural soilswere not as high as crop safety threatening.
Abstract
BACKGROUND:This studywas conducted to investigate residual organochlorine pesticides (ROCPs) in agricultural soils and crops.Agricultural soil samples and crop samples were collected from 93 cities and counties. METHODS AND RESULTS: Extraction and clean-up for the quantitative analysis of ROCPs were conducted by the modified quick, easy, cheap, effective, rugged, and safe (QuEChERS) method. Recovery and limit of detection (LOD) of ROCPs in agriculturalsoils and crops were 76.5-103.0 and 75.2-93.2%, 0.01-0.08 and 0.10-0.15 μg/kg, respectively. Detected ROCPs in agricultural soils were α -endosulfan, β-endosulfan, and endosulfan sulfate, the residue were 2.0-12.0, 1.2-53.1, and 2.2-329.8 μg/kg, respectively. But these pesticides in all green perilla leaf and green pepper samples were not detected. CONCLUSION: These results showed that ROCPs residues in agricultural soilswere not as high as crop safety threatening.
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