Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory; determination of pesticides in water by graphitized carbon-based solid-phase extraction and high-performance liquid chromatography/mass spectrometry
2002 ◽
2009 ◽
Vol 1216
(44)
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pp. 7539-7545
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2015 ◽
Vol 1397
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pp. 1-10
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2008 ◽
Vol 390
(6)
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pp. 1671-1676
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