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Environmental Health - Toxic Substances


Contaminated Site Management and Remediation Investigations

Map of Toxics Program Study Sites
Locations of Toxics Program Subsurface Point-Source Contamination Investigations
(Click on map for larger version)

USGS scientists collecting gas samples from the unsaturated zone.
USGS scientists collecting gas samples from the unsaturated zone. Subsurface gases are drawn through a small glass tube filled with an adsorbing material, which traps mercury or volatile organic compounds for later analysis. -- from the Amargosa Desert Research Site

The Toxics Program conducts intensive field investigations to study common classes of subsurface point-source contamination. (more information)

Contamination in Fractured-Rock Aquifers

Petroleum Related Contamination (including crude oil, gasoline and produced water)

Chlorinated Solvents Contamination

Contamination from Sources with Mixed Wastes (including landfills and wastewater discharge)

Complete listing of point-source investigations and projects >>

Other Subsurface Point-Source Investigations

Subsurface Point-Source Contamination Information

New Publications

New Publications

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Page Last Modified: Tuesday, 04-Aug-2015 14:51:25 EDT