Anaerobic Degradation of Chlorinated Ethenes in a Low-pH, High ...

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Path Forward •Continue to evaluate influence of CaCO 3 buffering • Consider integration into pilot study/IM •Continue to monitor biological and geochemical parameters • Development of TCEr and VCr/BVC functional genes • Sulfate reduction and SRB activity •Monitor degradation performance •If functional genes not present, evaluate augmentation with chloride-tolerant culture from microcosm •Pending additional data, expand upgradient as an IM 18
Acknowledgements •NASA, Kennedy Space Center (site management lead) •Tetra Tech (site assessment, CMS, pilot testing) •BCI Laboratories (Microcosm Testing, Data Evaluation) •Microbial Insights (CENSUS Analysis) •JRW Remediation (Pilot Testing Support, Data Evaluation) 19
Page 1 and 2: F-102, in: T.C. Fox and H.V. Rectan
Page 3 and 4: Anaerobic Degradation of Chlorinate
Page 5 and 6: Site Location FDSA 3
Page 7 and 8: Pilot Study Objectives •Prevent d
Page 9 and 10: Pilot Study Equipment •Use System
Page 11 and 12: Pilot Study Data - Chloride 18 Chlo
Page 13 and 14: Pilot Study Data - pH pH - Shallow
Page 15 and 16: Additional Geochemical/Dissolved Ga
Page 17 and 18: Biological Activity • Complex mec
Page 19: MW25S MOLAR CONCENTRATIONS 20 Conce

Anaerobic Degradation of Chlorinated Ethenes in a Low-pH, High ...

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