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Office of Water Quality
Contamination and pollution,
Culturing (specimens),
Field methods,
Groundwater quality,
Hydrographic datasets,
Hydrology,
Laboratory methods,
Manuals,
Science programs,
Standards,
Standards development,
Surface water quality,
Turbidity,
Water chemistry,
Water properties,
Water quality,
Water sampling
- National field manual for the collection of water-quality data [More info]
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Field manual (also available in PDF and paper formats) with instructions on techniques to collect and process water samples and to perform measurements of temperature, oxygen content, conductance, pH, turbidity, and fecal contaminants.
- Office of Water Quality, Branch of Quality Systems [More info]
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Branch of Quality Systems monitors the consistent collection and reporting of water-quality data with documentation of field and laboratory methods and proficiency testing. Links to standard reference samples and quality assurance standards.
- Water quality information pages [More info]
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Homepage of the Office of Water Quality programs on the quality of the Nation's surface water and ground water resources, with links to general information, quality assurance, software, data, publications, USGS facilities, techniques, and programs.
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U.S. Geological Survey