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Zaugg, S.D., Sandstrom, M.W., Smith, S.G., and Fehlberg, K.M., 1995, Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory--Determination of pesticides in water by C-18 solid-phase extraction and capillary-column gas chromatography/mass spectrometry with selected-ion monitoring: U.S. Geological Survey Open-File Report 95-181, 60 p.
For a copy of this publication, contact: J.W. Raese jwraese@usgs.gov , USGS/NWQL, 5293 Ward Rd., Arvada, CO 80002; telephone 303/467-8054.
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