Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory : determination of wastewater compounds by polystyrene-divinylbenzene solid-phase extraction and capillary-column gas chromatography/mass spectrometry /

Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory : determination of organophosphate pesticides in whole water by continuous liquid-liquid extraction and capillary-column gas chromatography with flame photometric detection /
by: Jha, Virendra K. (Virendra Kumar), 1946-
Published: (2003)

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 /
Published: (2001)

Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory : determination of gasoline oxygenates, selected degradates, and BTEX in water by heated purge and trap/gas chromatography/mass spectrometry /
by: Rose, Donna L.
Published: (2003)

Extraction, cleanup, and gas chromatography/mass spectrometry analysis of sediments and tissues for organic contaminants /
by: Sloan, Catherine A.
Published: (2004)

Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory : determination of organophosphate pesticides in filtered water by gas chromatography with flame photometric detection /
by: Jha, Virendra K. (Virendra Kumar), 1946-
Published: (2002)

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 /
by: Sandstrom, Mark W. (Mark William)
Published: (2001)

Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory : determination of organophosphate pesticides in bottom sediment by gas chromatography with flame photometric detection /
by: Jha, Virendra K. (Virendra Kumar), 1946-
Published: (2003)

Identification and measurement of chlorinated organic pesticides in water by electron-capture gas chromatography /
by: Lamar, William L. (William Luther), 1905-, et al.
Published: (1965)

Quantitative gas chromatography-mass spectrometry in the life sciences : principles and bioanalytical applications /
by: Tsikas, Dimitrios
Published: (2025)

Determination of wastewater compounds in sediment and soil by pressurized solvent extraction, solid-phase extraction, and capillary-column gas chromatography/mass spectrometry /
Published: (2006)

Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory : processing, taxonomy, and quality control of benthic macroinvertebrate samples /
Published: (2000)

Quality-assurance data for routine water analysis in the National Water-Quality Laboratory of the U.S. Geological Survey for water year 1987 /
by: Lucey, Keith J.
Published: (1989)

Using the U.S. Geological Survey National Water Quality Laboratory LT-MDL to evaluate and analyze data /
by: Bonn, Bernadine
Published: (2008)

Intermediate products in the bacterial decomposition of hexadecanol and octadecanol.
by: Langley, W. D.
Published: (1970)

Basic gas chromatography-mass spectrometry : principles and techniques /
by: Karasek, Francis W., 1919-
Published: (1988)

Current practice of gas chromatography--mass spectrometry /
Published: (2001)

Practical aspects of gas chromatography/mass spectrometry /
by: Message, Gordon M., 1950-
Published: (1984)

Microbiology and chemistry studies of water quality factors in a watershed used for municipal supply and waste disposal (phase II) : completion report /
by: Schillinger, John Edward
Published: (1976)

Gas chromatography and mass spectrometry : a practical guide /
by: Sparkman, O. David (Orrin David), 1942-
Published: (2011)

Gas chromatography and mass spectrometry : a practical guide /
by: Sparkman, O. David (Orrin David), 1942-
Published: (2011)

Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory : determination of organochlorine pesticides and polychlorinated biphenyls in bottom and suspended sediment by gas chromatography with electron-capture detection /
by: Noriega, Mary C.
Published: (2004)

Determination of perchlorate in drinking water by ion chromatography with suppressed conductivity and electrospray ionization mass spectrometry /
Published: (2005)

Gas chromatography and mass spectrometry : a practical guide /
by: Sparkman, O. David (Orrin David), 1942-
Published: (2011)

Quality-assurance data for routine water analysis in the National Water-Quality Laboratory of the U.S. Geological Survey for water year 1988 /
by: Lucey, Keith J.
Published: (1989)

Interlaboratory comparability, bias, and precision for four laboratories measuring analytes in wet deposition, October 1983-December 1984 /
by: Brooks, Myron H.
Published: (1987)

Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory : evaluation of alkaline persulfate digestion as an alternative to Kjeldahl digestion for determination of total and dissolved nitrogen and phosphorus in water /
by: Patton, Charles J.
Published: (2003)

Gas chromatography and mass spectrometry : a practical guide /
by: Kitson, Fulton G.
Published: (1996)

Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory : arsenic speciation in natural-water samples using laboratory and field methods /
by: Garbarino, John R.
Published: (2002)

Gas chromatography-mass spectrometry : how do I get the best results? /
by: Turner, Diane C., et al.
Published: (2020)

Analysis of drugs and metabolites by gas chromatography--mass spectrometry /
by: Gudzinowicz, Benjamin J.
Published: (1977)

Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory : determination of organic plus inorganic mercury in filtered and unfiltered natural water with cold vapor-atomic fluorescence spectrometry /
by: Garbarino, John R.
Published: (2001)

Handbook of research on water sciences and society /
Published: (2022)

Quality-assurance data for routine water analysis in the National Water-Quality Laboratory of the U.S. Geological Survey for water year 1987 /
by: Lucey, Keith J., et al.
Published: (1989)

Some important considerations for the land application of wastewater /
by: Rubin, A. R.
Published: (1977)

Revised protocols for sampling algal, invertebrate, and fish communities as part of the National Water-Quality Assessment Program /
Published: (2002)

The microdetermination of mercury species in natural water systems by liquid chromatography /
by: Baltisberger, Richard J.
Published: (1975)