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Contamination and pollution
Introduction of harmful substances into the environment by human action or natural processes.
Subtopics:
Nonpoint-source pollution (3 items)
Industrial pollution (5 items)
Pesticide and herbicide contamination (12 items)
Toxic radionuclide contamination (3 items)
Toxic trace element contamination (15 items)
Pharmaceutical contamination (2 items)

Water pollution (9 items)
Soil pollution (1 items)
Air pollution (6 items)
Related topics:
Results 31 - 40 of 108 listed by similarity [list alphabetically]
Trichloroethylene (TCE) in fractured bedrock, Naval Air Warfare Center, Trenton, N.J. [New Window]
Research on contamination by trichloroethylene (TCE) in fractured rock at the Naval Air Warfare Center in Trenton, N.J. with links to site description, bibliography, online reports, and findings.
Upper Mississippi River basin: sediments, contaminants, and nutrients [New Window]
Downloadable data and map images depicting sedimentation changes and contaminants in sediments in the upper Mississippi River.
Using geochemical and statistical tools to identify irrigated areas that might contain high selenium concentrations in surface water [New Window]
Program using pattern recognition analysis and classification models to determine areas of irrigated land with concentrations of selenium.
Wastewater Indicators Shown to Degrade in Streams [New Window]
Research findings and examples of application to real problems--the stability of contaminants that indicate human wastewater needs to be considered.
Water co-produced with coalbed methane in the Powder River Basin, Wyoming: preliminary compositional data [New Window]
Compositional data on water from 47 CBM wells sampled in the Powder River Basin, Wyoming. Data on major, minor, and trace elements are included.
Water quality information pages [New Window]
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.
Water resources of Michigan - protection of drinking water sources [New Window]
Links to descriptions, publications, and photos of research projects in Michigan related to drinking water including source assessment, ground water availability, water resources, and contaminants in water.
Water science for schools: water quality [New Window]
Educational site for elementary school students on water quality with links to related topics including pesticides in ground water, kid's view, urbanization and water and others.
Abandoned Mine Lands (AML) [New Window]
Homepage of the Abandoned Mine Lands (AML) initiative programs supporting actions to remedy contaminations associated with hard rock mining. Includes data from the Upper Animas River and Boulder River, bibliography of reports, and pictures.
Acid rain and our Nation's Capital [New Window]
This booklet focuses on acid rain and its impact on our Nation's capital.
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