USGS - science for a changing world

Environmental Health - Toxic Substances


Other Fundamental Research and Methods Development

The BAT3 supported from a truck-mounted winch.
The BAT3 supported from a truck-mounted winch as it is being prepared for installation in a borehole. Shown in the photograph are (A) inflatable packers, (B) transducer shrouds, (C) pump shroud, and (D) fluid-injection shroud. Tubing and wires (E) used to control the downhole equipment extend from the transducer shrouds -- from the BAT3 Photo Gallery/afs/ -- from the Benthic Flux of Dissolved Metals Photo Gallery


The Toxics Program supports the development of knowledge and methods for the collection, analysis, and interpretation of data related to fundamental questions about contamination in the hydrologic cycle. What is the significance of these activities in relation to the field investigations?

Microbial Geochemistry



Contaminant Geophysics


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