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The Toxic Substances Hydrology Program provides objective scientific information on environmental contamination to improve characterization and management of contaminated sites, to protect human and environmental health, and to reduce potential future contamination problems. Read more about the Toxics Program

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The Geohealth Newsletter

Volume 11, No. 1, 2014

GeoHealth is the U.S. Geological Survey's Environmental Health Newsletter.

Research Projects
New Publications
Crosscutting Topics

Land use patterns, ecoregion, and microcystin relationships in U.S. lakes and reservoirs--A preliminary evaluation: Harmful Algae

Persistent organic contaminants in Saharan dust air masses in West africa, Cape Verde and the eastern Caribbean: Science of the Total Environment

Experimental additions of aluminum sulfate and ammonium nitrate to in situ mesocosms to reduce cyanobacterial biovolume and microcystin concentration: Lake and Reservoir Management

High-resolution magnetic susceptibility measurements for investigating magnetic mineral formation during microbial mediated iron reduction: Journal of Geophysical Research--Biogeosciences

Presence of the Corexit component dioctyl sodium sulfosuccinate in Gulf of Mexico waters after the 2010 Deepwater Horizon oil spill: Chemosphere

Detecting well casing leaks in Bangladesh using a salt spiking method: Groundwater

More >

Photo Gallery

designed designed designed designed designed designed -- See full caption below
Field experiment designed to compare survival of trout fry (newly hatched fish) exposed to constant versus varying metal concentrations, High Ore Creek, Mont. Water stored in the streamside tanks was used to refresh plastic containers in the stream. Water in the tanks had high, medium, or low metal concentrations. The fourth tank contained metal-free water used as an experimental control -- from the Abandoned Hard-Rock Mining Photo Gallery

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