Persistent Contamination

Some groundwater contamination remains difficult to remove, residing as DNAPLs or in difficult-to-treat areas such as fractured geologic media and low permeable zones.  SERDP and ESTCP efforts seek to better understand what causes persistent contamination and which methods are most effective in remediating and monitoring such sites.

Completed Projects List
Project Title Completed

Large-Scale Physical Models of Thermal Remediation of DNAPL Source Zones in Aquifers

Project Information
Project ID: ER-1423
Principal Investigator: Dr. Ralph Baker, TerraTherm, Inc.
SERDP Sep 2009

Mass Transfer from Entrapped DNAPL Sources Undergoing Remediation: Characterization Methods and Prediction Tools

Project Information
Project ID: ER-1294
Principal Investigator: Dr. Tissa Illangasekare, Colorado School of Mines
SERDP May 2007

Multi-Scale Experiments to Evaluate Mobility Control Methods for Enhancing the Sweep Efficiency of Injected Subsurface Remediation Amendments

Project Information
Project ID: ER-1486
Principal Investigator: Dr. John McCray, Colorado School of Mines
SERDP Oct 2010

Negative Ion Sensors for Real-Time Downhole DNAPLs Detection

Project Information
Project ID: ER-1089
Principal Investigator: Dr Gregory Gillispie, Dakota Technologies Inc
SERDP Mar 2002

Non-Intrusive Characterization of Dense Non-Aqueous Phase Liquids Using Short-Lived Radiotracers in Partitioning Interwell Tracer Tests

Project Information
Project ID: ER-1128
Principal Investigator: Dr. Phillip Gauglitz, Pacific Northwest National Lab
SERDP Oct 1999

Optimal Search Strategy for the Definition of a DNAPL Source

Project Information
Project ID: ER-1347
Principal Investigator: Dr. George Pinder, University of Vermont
SERDP Aug 2009

Practical Cost-Optimization of Characterization and Remediation Decisions at DNAPL Sites with Consideration of Prediction Uncertainty

Project Information
Project ID: ER-1611
Principal Investigator: Dr. Jack Parker, The University of Tennessee
SERDP May 2011

Prediction of Groundwater Quality Improvement Down-Gradient of In Situ Permeable Treatment Barriers and Fully Remediated Source Zones

Project Information
Project ID: ER-200320
Principal Investigator: Dr. Paul Johnson, Arizona State University
ESTCP Sep 2008

Protocol for Selecting Remedies for Chlorinated Solvent Releases

Project Information
Project ID: ER-200530
Principal Investigator: Dr. Tom Sale, Colorado State University
ESTCP Mar 2011

Reaction and Transport Processes Controlling In Situ Chemical Oxidation of DNAPLs

Project Information
Project ID: ER-1290
Principal Investigator: Dr. Robert Siegrist, Colorado School of Mines
SERDP Nov 2006

Reductions in DNAPL Longevity Through Biological Flux Enhancement

Project Information
Project ID: ER-200438
Principal Investigator: Dr. C. Herb Ward, Rice University
ESTCP Sep 2009

Remediation of DNAPL through Sequential In Situ Chemical Oxidation and Bioaugmentation

Project Information
Project ID: ER-200116
Principal Investigator: Dr David Major, GeoSyntec
ESTCP Jun 2010

Surfactant Enhanced DNAPL Removal

Project Information
Project ID: ER-199714
Principal Investigator: Ms. Laura Yeh, Naval Facilities Engineering Command Engineering Service Center
ESTCP Aug 2001

Treatment of Chlorinated Hydrocarbon Contaminated Groundwater with Injectable Nanoscale Bimetallic Particles

Project Information
Project ID: ER-200017
Principal Investigator: Mr. David Liles, ARCADIS
ESTCP Feb 2009