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http://dx.doi.org/10.11626/KJEB.2016.34.3.216

Polycyclic Aromatic Hydrocarbons in Agricultural Waterways in Gyeonggi and Gangwon Provinces, Korea  

Kim, Leesun (School of Applied Biosciences, Kyungpook National University)
Park, Byung-Jun (Chemical Safety Division, National Academy of Agricultural Science, Rural Development Administration)
Lee, Sung-Eun (School of Applied Biosciences, Kyungpook National University)
Publication Information
Korean Journal of Environmental Biology / v.34, no.3, 2016 , pp. 216-221 More about this Journal
Abstract
Level and distribution of fourteen polycyclic aromatic hydrocarbons (PAHs) in the agricultural water samples collected in the waterways located in Gyeonggi and Gangwon, Korea were determined for monitoring and risk assessment. A simplified, fast but effective extraction and clean-up methods combined with gas chromatography tandem mass spectrometry (GC-MS/MS) was employed to measure the concentration of the target compounds. The extraction of the analytes of interest in water sample (10 mL) was performed with acetonitrile (10 mL) and the salt. To purify the target PAHs, the clean-up procedure was employed with 2 mL tubes of dispersive solid phase extraction. The optimized method was validated with recoveries, method detection limit (MDL), accuracy and precision. Good recoveries for each PAHs at 10 and $25{\mu}g\;L^{-1}$ were achieved (60 to 110%, with RSD <20%) with linearity (>0.99). MDL for all the analytes was achieved with $0.2{\mu}g\;L^{-1}$. GC-MS/MS results showed that concentration of phenanthrene in the water samples from Gyeonggi (20 sites) ranged from 0.82 to $2.56{\mu}g\;L^{-1}$ and from Gangwon (15 sites) ranged from 0.83 to $1.62{\mu}g\;L^{-1}$. Other PAHs were not found in the water samples but the continuous monitoring for these areas were required.
Keywords
monitoring; phenanthrene; polycyclic aromatic hydrocarbons;
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