U.S. EPA Contaminated Site Cleanup Information (CLU-IN)


U.S. Environmental Protection Agency
U.S. EPA Technology Innovation and Field Services Division

Bioremediation of Chlorinated Solvents

Training

Upcoming Bioremediation of Chlorinated Solvents Courses and Conferences and Archived Online Events

CLU-IN's Upcoming Courses and Conferences area features events related to innovative treatment and site characterization technologies, while the CLU-IN Studio contains live and archived videos, internet seminars, and conference webcasts.

Suggest a New Training Course or Conference

Biodegradation of DNAPL through Bioaugmentation
U.S. Navy, Naval Facilities Engineering Command, Environmental Restoration Technology Transfer, Multimedia Training Tools website, 20 pp, 2005.

In bioaugmentation, non-native microbial cultures that have demonstrated the ability to dechlorinate chlorinated organics completely down to ethene are injected into ground water near the DNAPL/water interface. Dechlorination is then achieved by supplying the added microorganisms with appropriate electron donor(s) and nutrients. The dechlorination process can occur via several metabolic pathways, but dehalorespiration is the primary pathway currently exploited for bioaugmentation. This Web Tool summarizes the concepts behind the use of bioaugmentation for DNAPL treatment and provides an overview of on-going Navy efforts in technology development.

DCE/VC Stall Tool
U.S. Navy, Naval Facilities Engineering Command, Environmental Restoration Technology Transfer, Multimedia Training Tools Website, 19 pages, 2011

At some sites, conditions for complete reductive dechlorination of PCE or TCE to ethene are not present, and degradation stalls at DCE and/or VC. Three basic requirements must be met to form a complete reductive dechlorination pathway: sufficient electron donor (a fermentable carbon source), appropriate redox potential (strongly reducing conditions) in the aquifer, and microbial communities capable of complete dechlorination of PCE to ethene. This tool provides RPMs with the information necessary to recognize DCE and/or VC stall and explores its biological and/or environmental causes, along with potential solutions.

Innovative Treatment Technologies Course
CERCLA Education Center (CEC).

3-Day Course or 1-Day short course. The in-depth, three-day course offered by the CERCLA Education Center (CEC) provides information about technical, financial, and practical factors to be considered when determining the appropriateness of innovative treatment technologies for application in various cleanup projects. The one-day course provides a comprehensive overview of a number of innovative technologies, including bioremediation (various types), soil vapor extraction enhancements, thermal desorption, soil washing, air sparging, passive treatment walls, base-catalyzed dechlorination, surfactant flushing, and thermally enhanced extraction. Visit the TRAINING EXCHANGE web site for schedules and locations.

Low-Cost Remediation Strategies for Contaminated Soil and Ground Water

Technologies to be covered in this course include natural attenuation, enhanced bioremediation, air sparging, and phytoremediation for remediation of contaminated ground water; bioventing for remediation of contaminated soil; and bioslurping for removal of light nonaqueous-phase liquid. Dates and locations are subject to change. For details, please visit the web site and click on Education. Or call (800) 551-7379 or (614) 898-7791, or FAX (614) 898-7786.