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Contamination and pollution
Introduction of harmful substances into the environment by human action or natural processes.
Subtopics:
Nonpoint-source pollution (11 items)
Industrial pollution (25 items)
Pesticide and herbicide contamination (24 items)
Toxic radionuclide contamination (12 items)
Toxic trace element contamination (40 items)
Pharmaceutical contamination (3 items)

Water pollution (13 items)
Soil pollution (1 items)
Air pollution (7 items)
Related topics:
Results 31 - 40 of 182 listed by similarity [list alphabetically]
PDF Assessing the vulnerability of public-supply wells to contamination: Rio Grande aquifer system in Albuquerque, New Mexico [More info]
Explains the natural and human-affected factors that determine the concentration of contaminants in groundwater, especially where the concentration is different at the surface than at depth, and where pumping varies with time.
Bedrock and soil geochemistry from Voyageurs National Park, Minnesota [More info]
Maps and text (Word or PDF format) and database (Excel or HTML format) for bedrock, forest floor, and mineral soil sampling in Voyageurs National Park, Minnesota to establish the background and baseline geochemistry and terrestrial mercury sources.
Biological resource status and trends: Contaminants in animals [More info]
Information concerning status and trends of biological resources, focusing on contaminants in animals
Biological resource status and trends: Contaminants in plants [More info]
Information concerning status and trends of biological resources, focusing on contaminants in plants
PDF Computer simulation of reservoir depletion and oil flow from the Macondo well following the Deepwater Horizon blowout [More info]
This model estimates, by simulation, the reservoir pressure, flow rate, and volume of oil discharged, and the report discusses the uncertainty in the estimates.
PDF Decadal-scale changes in dissolved-solids concentrations in groundwater used for public supply [More info]
Recent increases in dissolved-solids concentrations in this aquifer have been documented in some areas used for public supply, raising concerns as to the sources and causes of the higher concentrations and the long-term effects on groundwater quality.
Effects of Building a Sand Barrier Berm to Mitigate the Effects of the Deepwater Horizon Oil Spill on Louisiana Marshes [More info]
An assessment of the potential protective effects on coastal marshes in Louisiana of building barrier berms seaward of the existing barrier islands and inlets to help block or reduce the onshore spread of oil from the Deepwater Horizon oil spill.
Effects of land use on water quality in Michigan [More info]
Links to projects that provide information on the relation of land use to water quality, sources of pollutants, or trends in water quality.
PDF Environmental effects of historical mining in the Animas River watershed, southwestern Colorado [More info]
History and summary maps showing metal concentrations downstream of the mining area.
PDF Evaluation of fecal contamination by human and ruminant sources in upper Fountain Creek, Colorado, 2007-2008, by using multiple lines of evidence: [More info]
Microbial source tracking analysis of water sampled supports the argument that birds are the primary source of fecal contamination during the warm season.
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