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Ecotoxicology
Scientific study of causes, dispersal, and effects of contaminants on the environment.
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Groundwater Quality in the Central Eastside San Joaquin Valley, California [More info]
Summary of a detailed study in this agricultural area.
Human Health Database [More info]
Central site providing links to USGS databases and homepages providing significant data and information on research related to human health.
PDF Lead Poisoning in Wild Birds [More info]
Even though lead usage has declined due to environmental awareness and regulation, several human sources of lead continue to affect birds. Hunting ammunition and fishing gear are ingested by the birds, with toxic effects.
Mercury contamination of aquatic ecosystems [More info]
Fact sheet on mercury bioaccumulation and cycling in the environment. Also available in PDF format.
Mercury in stream ecosystems - publications [More info]
Publications dealing with the occurrence, methods of monitoring, and changes in the concentration of mercury within streams and nearby areas
Mercury in the environment [More info]
Fact sheet on mercury and the environment, including toxic effects, risk to people and wildlife, sources of mercury, environments where methylmercury is a problem, and mercury contamination.
Midcontinent Agricultural Chemical Research Program [More info]
Homepage for the research on occurrence, movement, flux, fate, and effects of agricultural chemicals, such as pesticides, in 25 states by the Midcontinent Agricultural Chemical Research Project (MACRP) with links to study results and publications.
More than broken jars and roof tiles: the environmental legacy of a Roman mineral industry at Plasenzuela, Extremadura, Spain [More info]
Adaptation of a poster presented at Metals in Antiquity Symposium, Harvard, September 10-13, 1997.
National Water Quality Assessment urban studies portal [More info]
Multiple studies addressing urban water-quality issues, to describe biological, chemical, and physical characteristics of urban water resources over time, and relate those characteristics to natural processes and human activities
National Water-Quality Assessment (NAWQA) Program [More info]
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.
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