Branch of Quality Systems
Water-Resources Investigations Report 01-4098 |
Methods of Analysis by the U.S. Geological Survey
National Water Quality Laboratory-Determination of
Moderate-Use Pesticides and Selected Degradates in
Water by C-18 Solid-Phase Extraction and Gas
Chromatography/Mass Spectrometry
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Open-File Report 95-181 |
Methods of Analysis by the U.S. Geological Survey
National Water Quality Laboratory-Determination of
Moderate-Use Pesticides and Selected Degradates in
Water by C-18 Solid-Phase Extraction and Gas
Chromatography/Mass Spectrometry With Selected-ion Monitoring
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