National Water-Quality Assessment (NAWQA) Program
Primary homepage for the National Water-Quality Assessment (NAWQA)Program studying water quality in river, aquifer and coastal water basins throughout the nation. Links to reports, data, models, maps and national synthesis studies.
(Score: 2.070)
National Water Quality Laboratory
The National Water Quality Laboratory (NWQL) is a full-service laboratory that specializes in environmental analytical chemistry and has a primary role to develop new analytical methods. Links to directory, publications, and standards.
(Score: 1.380)
National Water-Quality Assessment data warehouse
Data warehouse for national water quality program with links to chemical, biological, and physical data for water, sediment and animal tissues, nutrient, pesticide, and VOC levels, stream flow, and ground water levels from national study units.
(Score: 1.380)
Office of Water Quality, Branch of Quality Systems
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.
(Score: 1.380)
Toxic Substances Hydrology Program
Homepage for the Toxic Substances Hydrology Program which provides scientific information on contaminated sites and on human and envionmental health. Links to news, topical information, investigations, meetings, publications, and photos.
(Score: 1.380)
Water quality information pages
Homepage of the Office of Water Quality programs on the quality of the Nations surface-water and ground-water resources, with links to general information, quality assurance, software, data, publications, USGS facilities, techniques, and programs.
(Score: 1.380)
Water resources of the United States
Primary homepage for USGS programs in water resources with links to water data, publications and products, technical resources, major programs, and water information services.
(Score: 1.380)
Water-quality data for the Nation
Homepage for USGS water-quality information. The NWISWeb discrete sample data base is a compilation of over 3.5 million historical water quality analyses in the USGS district data bases. Also includes access to real-time data and a tutorial.
(Score: 1.380)
Gulf of Mexico Integrated Science
Website of the Gulf of Mexico Integrated Science program to understand the framework and processes of the Gulf of Mexico using Tampa Bay as a pilot study. Links to publications, digital library, water chemistry maps, epipytes,and field trips.
(Score: 1.142)
Liquid Chromatography/Mass Spectrometry (LC/MS)
Description of technique and equipment for high-performance liquid chromatography (HPLC) used to identify organic compounds in chemical analysis.
(Score: 1.000)
Reston Chlorofluorocarbon Laboratory
Site on the Chlorofluorocarbon Laboratory and its analytical services for CFCs, sulfur hexafluoride, dissolved gases including nitrogen, argon, methane, carbon dioxide, oxygen, and helium, and tritium/helium-3 dating.
(Score: 1.000)
Water resources applications software
Archive of USGS water resources software and associated data and/or documentation available to the public without any fee or cost for the public interest and in the advancement of science.
(Score: 1.000)