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RemTEC Summit

Todd Herrington
Todd Herrington

Global PetroFix Product Manager

Mr. Herrington provides remediation technology selection expertise, engineering design and oversight services to REGENESIS clients in the Western U.S. and Canada. Mr. Herrington has over 15 years of environmental remediation experience and has been with REGENESIS since 2004. Mr. Herrington is an expert in in situ bioremediation and in situ chemical oxidation (ISCO) and has been involved in the design of implementation of hundreds of contaminated site remediation projects during his tenure at REGENESIS. He earned his B.S. in Civil Engineering from Colorado State University and his M.S. in Environmental Engineering from the University of Cincinnati.


Performance Overview and Best Practices When Using a Micron-Scale Activated Carbon Remedial Fluid for the Rapid Remediation of Hydrocarbon Plumes

In situ remedial technologies offering longevity and ease of distribution provide an advantage. Here we present a micron-sized activated carbon remedial fluid with nitrate and sulfate salts serving as electron acceptors. This remedial fluid is non-hazardous and provides remediation practitioners with a technology that has a multi-year lifespan, can be self-applied, and is easily injected with common injection methodologies. The physical properties, optimal application scenarios, and best injection practices of this micron-scale carbon remedial fluid will be discussed. Emphasis will be given to the importance of distribution testing with the product early in the injection effort so that micro-adjustments can be made to attain required radius-of-influence (ROI). Recent data from treated hydrocarbon sites will be presented. Examples will show performance in different geologies and different concentrations ranges where the common results were to achieve non-detect within months after injection or multiple order-of-magnitude reductions large enough to grant regulatory closure.

Following presentation of these topics, this workshop will discuss how the ITRC fractured rock document incorporates principles from the 2015 ITRC Integrated Site Characterization document and also how the ITRC 2011 Integrated DNAPL Site Strategy can be used at fractured rock sites Overall, this workshop will show attendees how to use these ITRC resources to develop a fully integrated site strategy and apply robust decision making to improve characterization and remedy implementation at fractured rock sites.


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