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EPA 540/MR-00/504

Enhanced In-Situ Bioremediation Process
Earth Tech, Inc.

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Enhanced In-Situ Bioremediation Process - Earth Tech, Inc. (20k)


ABSTRACT

Enhanced In-Situ Bioremediation Process
Earth Tech, Inc
Superfund Innovative Technology Evaluation
EPA 540/MR-00/504
November 2000

The U.S. Environmental Protection Agency (EPA) conducted an evaluation of the Enhanced In-Situ Bioremediation Process, a biostimulation technology developed by the U.S. Department of Energy (DOE) at the Westinghouse Savannah River Plant site in Aiken, South Carolina. DOE has licensed the process to Earth Tech, Inc. (Earth Tech). The evaluation described in this bulletin was carried out by the EPA Superfund Innovative Technology Evaluation (SITE) Program. Earth Tech is utilizing the process to deliver a mixture of air and gaseous phase nutrients, and/or methane to contaminated groundwater in fractured bedrock at a site in Roanoke, VA. These enhancements are delivered to contaminated groundwater via an injection well and were designed to stimulate and accelerate the growth of existing microbial populations, especially methanotrophs. This type of aerobic bacterium has the ability to metabolize methane and produce enzymes capable of degrading chlorinated solvents and their degradation products to non-hazardous constituents.

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Posted December 14, 2000
by: CSC/Jesse Armstrong

 

 

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