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Contamination and pollution
Introduction of harmful substances into the environment by human action or natural processes.
Subtopics:
Nonpoint-source pollution (9 items)
Industrial pollution (25 items)
Pesticide and herbicide contamination (23 items)
Toxic radionuclide contamination (8 items)
Toxic trace element contamination (31 items)
Pharmaceutical contamination (3 items)

Water pollution (11 items)
Soil pollution (1 items)
Air pollution (7 items)
Related topics:
Results 21 - 30 of 170 listed by similarity [list alphabetically]
Oil Pollution Impacts on Birds [More info]
A compilation of information, including reports, bibliographies, and data, on all aspects oil toxicity relevant to birds and other wildlife.
Assessing ground-water vulnerability to contamination: providing scientifically defensible information for decision makers [More info]
The information, citations, and hypothetical examples provided in this report highlight how basic principles and assessments are essential components of the regulatory and policy decision-making process. Link to PDF version.
Biological resource status and trends: Contaminants in air [More info]
Information concerning status and trends of biological resources, focusing on contaminants in air
Biological resource status and trends: Contaminants in soil [More info]
Information concerning status and trends of biological resources, focusing on contaminants in soil
PDF Occurrence of Emerging Contaminants in Water and Bed Material in the Missouri River, North Dakota, 2007 [More info]
Water monitoring results, focused on wastewater compounds, human-health pharmaceutical compounds, hormones, and antibiotics in water, and waste indicators, hormones, and antibiotics in solids.
Radon in earth, air, and water [More info]
Links to USGS publications, bibliographies, and maps on radon in the U.S., plus links to non-USGS sites with information on radon.
PDF Application of the SPARROW watershed model to describe nutrient sources and transport in the Missouri River Basin [More info]
Maps and diagrams showing how the mathematical model predicts the distribution of various pollutants within a large watershed.
Arsenic in ground water of the United States [More info]
Arsenic is a naturally occurring element in rocks, soils, and the waters in contact with them. It is found in ground water as the result of minerals dissolving from weathered rocks and soils. This site links to data, maps, and more.
Arsenic in ground water of the United States [More info]
Information on arsenic in United States ground water largely as a result of minerals dissolving from weathered rocks and soils. Includes links to publications, data, maps, and links to other sites with information on arsenic.
Assessing the Vulnerability of Public-Supply Wells to Contamination: Glacial Aquifer System in Woodbury, Connecticut [More info]
Sources and effects of contamination surrounding a single well in western Connecticut
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