Method 200.12 : determination of trace elements in marine waters by stabilized temperature graphite furnace atomic absorption /

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)

Methods for the Determination of Chemical Substances in Marine and Estuarine Environmental Matrices.
Published: (1997)

Method 445.0 : in vitro determination of chlorophyll a and pheophytin a in marine and freshwater algae by fluorescence /
by: Arar, Elizabeth J.
Published: (1997)

Method 365.5 : Determination of Orthophosphate in Estuarine and Coastal Waters by Automated Colorimetric Analysis /
by: Zimmermann, Carl F.
Published: (1997)

Chemical quality of water and trace elements in the Patuxent River basin /
by: Heidel, Sumner Griggs, 1916-
Published: (1965)

Determination of trace metals in natural waters by atomic absorption spectrometry /
by: Magnusson, Bertil
Published: (1981)

Review of trace element blank and replicate data collected in ground and surface water for the national water-quality assessment program, 1991-2002 /
by: Apodaca, Lori Estelle
Published: (2006)

Method 321.8 : Determination of Bromate in Drinking Waters by Ion Chromatography Inductively Coupled Plasma-Mass Spectrometry /
by: Creed, John T.
Published: (1997)

Method 353.4 : Determination of Nitrate and Nitrite in Estuarine and Coastal Waters by Gas Segmented Continuous Flow Colorimetric Analysis /
by: Zhang, Jia-Zhong
Published: (1997)

Method 366.0 : Determination of Dissolved Silicate in Estuarine and Coastal Waters by Gas Segmented Continuous Flow Colorimetric Analysis /
by: Zhang, Jia-Zhong
Published: (1997)

Rapid method for determining numbers of sewage pollution bacteria, e.g. coliforms, in water /
by: Malaney, George W.
Published: (1978)

Method 446.0 : in vitro determination of chlorophylls a, b, c1 + c2 and pheopigments in marine and freshwater algae by visible spectrophotometry /
by: Arar, Elizabeth J.
Published: (1997)

Intensive survey of Lake Ray Hubbard, segment 0812, and Rowlett Creek, July 12-13 and September 12-14, 1988 : Water quality data report : hydrology, field measurements, water chemistry, sediment chemistry /
by: Ottmers, Donald D.
Published: (1989)

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 : 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)

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 /
Published: (2002)

Method 447.0 : determination of chlorophylls a and b and identification of other pigments of interest in marine and freshwater algae using high performance liquid chromatography with visible wavelength detection /
by: Arar, Elizabeth J.
Published: (1997)

Determinants of water quality in agricultural watersheds /
by: Schlosser, Isaac J.
Published: (1980)

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

Method 549.2 : determination of diquat and paraquat in drinking water by liquid-solid extraction and high performance liquid chromatography with ultraviolet detection /
by: Hodgeson, J. W.
Published: (1997)

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)

Using statistical methods for water quality management : issues, problems, and solutions /
by: McBride, Graham B., 1948-
Published: (2005)

Methods for measuring the acute toxicity of effluents and receiving waters to freshwater and marine organisms.
Published: (2002)

Methods for measuring the acute toxicity of effluents and receiving waters to freshwater and marine organisms.
Published: (2002)

Geologic map of MTM -20012 and -25012 quadrangles, Margaritifer Terra region of Mars /
by: Grant, J. A.
Published: (2009)

Field methods and quality-assurance plan for quality-of-water activities, U.S. Geological Survey, Idaho National Laboratory, Idaho /
by: Knobel, LeRoy L.
Published: (2008)

Effects of pulp mill effluent on water quality and biota trace element characteristics /
by: Bewers, J. M., et al.
Published: (1970)

Quality of surface waters of the United States, 1970.
Published: (1976)

Evaluation of water-quality and habitat assessment data to determine ranges in stream conditions in the Mississippi River Alluvial Plain of northwestern Mississippi and eastern Arkansas /
by: Rebich, Richard A.
Published: (2004)

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 : arsenic speciation in natural-water samples using laboratory and field methods /
by: Garbarino, John R.
Published: (2002)

Short-term methods for estimating the chronic toxicity of effluents and receiving waters to marine and estuarine organisms.
Published: (2002)

Methods to characterize environmental settings of stream and groundwater sampling sites for national water-quality assessment /
by: Nakagaki, Naomi
Published: (2013)

Method 1602 : Male-specific (F+) and Somatic Coliphage in Water by Single Agar Layer (SAL) Procedure.
Published: (2001)

USGS quality of water.

USGS quality of water.