Chlorinated Solvent Bioremediation: Fundamentals and Practical Application for Remedial Project Managers
Sponsored by: U.S. EPA Office of Superfund Remediation and Technology Innovation (Superfund Task Force Recommendation 9) & Office of Research and Development
Archived: Wednesday, November 14, 2018
Anaerobic reductive dechlorination (ARD) can be used to cost-effectively remediate chlorinated solvent sites. In ARD, microbial communities use substrates to sequentially degrade chlorinated solvents such as trichlorethylene (TCE). Depending on conditions at a site, remediation may involve adding substrates (biostimulation) and/or dechlorinating organisms (bioaugmentation). This presentation will discuss the biological and chemical principles of this technology and is geared toward remedial project managers. Key considerations for site specific application will be covered. In addition, case studies will provide examples of data from sites displaying ARD as well as sites with poor performance or insufficient data.
This webinar is a result of Recommendation 9 of EPA's Superfund Task Force, which encourages the Superfund program to "utilize state-of-the-art technologies to expedite cleanup." Actions under this recommendation include expanding the use of new remediation technologies and approaches to address contaminated sites.
https://www.epa.gov/superfund/superfund-task-force-public-participation-opportunities#webinar
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Presenters:
Carolyn Acheson, Ph.D., U.S. EPA Office of Research and Development (Acheson.carolyn@epa.gov or 513-569-7190)
Christopher Marks, Ph.D., U.S. EPA Office of Research and Development (marks.christopher@epa.gov or 580-436-8822)
Moderators:
Jean Balent, U.S. EPA Technology Innovation and Field Services Division (balent.jean@epa.gov or 202-566-0832)
Ms Balent is on the staff of the EPA's Technology Innovation and Field Services Division where she has worked to collect and disseminate hazardous waste remediation and characterization information since 2003. Ms Balent manages the Clean Up Information Network website and actively supports online communication and collaboration resources available to EPA. She formerly worked with the US Army Corps of Engineers Environmental Engineering Division in the Buffalo District. Ms Balent was also a member of the SUNY-Buffalo Groundwater Research Group where she constructed and tested large scale models of groundwater flow. Ms Balent has also conducted research relating to the Great Lakes, environmental remediation, and brownfields re-development. She holds a Bachelor's degree in environmental engineering from SUNY-Buffalo and a Master's degree in Information Technology from AIU.
Cindy Frickle, U.S. EPA Office of Superfund Remediation and Technology Innovation (frickle.cynthia@epa.gov or 202-566-0927)
Cindy Frickle is a physical scientist with EPA's Superfund program where she reviews and propagates technical information to site cleanup professionals through Clu-In, EPA forums, and interagency channels. Prior to joining EPA, she spent time characterizing contaminated sites, coring sediments, studying microbes, and teaching. She completed her Biogeology MS and Geology BS in the University of Minnesota's School of Earth Sciences.
Webinar Slides and References:
Webinar Slides and References:
Additional Resources:
Multitechnology Overview — Engineering Issues
In Situ and Ex Situ Biodegradation Technologies for Remediation of Contaminated Sites EPA/625/R-06/015 October 2006- In Situ Treatment Technologies for Contaminated Soil EPA 542/F-016/013 November 2006
- Integrated DNAPL Site Characterization and Tools Selection ITRC April 2015
Monitored Natural Attenuation (MNA)
Enhanced Reductive Dechlorination for Chlorinated Solvent Plumes
- Principles and Practices
- Guidance for treatability testing
- ITRC Technical and Regulatory Requirements for In Situ Bioremediation of Chlorinated Solvents in Ground Water
- OSWER guidance on In Situ Bioremediation of Chlorinated Solvents (several technologies)
- In Situ Bioremediation of Chlorinated Ethene: DNAPL Source Zones ITRC June 2008
Permeable Reactive Barriers
- Capstone Report, vol. 1- Performance Evaluation at Two Sites
- Capstone Report, vol. 2 - Long Term Monitoring of PRBs
- Remediation Technology Development Forum (RTDF) website
- Federal Remediation Technology Roundtable
Well Closure
- Recommended Approach for Evaluating Completion of Groundwater Restoration Remedial Actions at a Groundwater Monitoring Well
- Groundwater Statistics Tool
- Groundwater Remedy Completion Strategy
Microbiology & Biochemistry
If you have a suggested topic or idea for a future CLU-IN internet seminar, please contact:
Technology Integration and Information Branch
PH: 202-566-0832 | Email: balent.jean@epa.gov
Technology Integration and Information Branch
PH: 202-566-0875 | Email: adam.michael@epa.gov
