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Brent O'Dell
Brent O'Dell

Principal Engineer

Brent O'Dell, PE has worked with Wood for over 18 years as a remediation engineer in the tri-state area. Mr. O’Dell has 35 years of environmental consulting experience, specializing in applying his engineering experience and knowledge to cost effectively solve client environmental challenges. Mr. O’Dell is known for his practical out-of-the-box thinking and developing solutions to real world environmental tasks. He has extensive experience dealing with a broad range of constituents of concern including chlorinated volatile organic compounds, as well as non-aqueous phase liquids (NAPL), and metals including lead, arsenic and hexavalent chromium.


Applying Injection Techniques to Enhance or Eliminate Construction of a Passive Reactive Barrier at Two Sites

Passive Reactive Barriers (PRBs) can be costly to construct and limited in their application depending on site constraints and other factors. Wood was able to effectively achieve remedial objectives at two Sites while eliminating the need to perform open cut excavation PRB construction and the hazards associated with such construction. The first Site involved extending a conventional PRB into an access constrained area utilizing direct injection techniques, to enhance the PRBs effectiveness at treatment of chlorinated VOCs. A second chlorinated VOC site also had a number of site constraints that would have made open trench PRB installation impracticable and less likely to meet the clients objectives. This presentation will review the rationale for utilizing direct injection over a conventional PRB, review design of the direct injection programs, and present the effectiveness of each application at achieving remedial action objectives.

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