USGS

Biodegradation of Chlorinated Ethenes at a Karst Site in Middle Tennessee

TABLES

1. Terminal electron acceptors and byproducts involved in microbial processes

2. Well completion and hydrogeologic data for selected wells

3. Geologic and hydrologic units at the study site

4. Geochemical indicators of terminal electron acceptor processes measured during this study

5. Organic constituents frequently measured at chlorinated-solvent contaminated sites

6. Description of microcosms used to examine biodegradation of chlorinated ethenes

7. Water-quality data for samples collected from selected shallow wells

8. Chlorinated-ethene data for samples from selected wells

9. Water-quality data for samples collected from selected deep wells

10. Results from bacteria identification for samples collected on November 4 and 5, 1997 from selected wells

11. Microcosm data used to examine biodegradation of chlorinated ethenes

12. Aerobic and facultative anaerobic heterotrophic bacteria enumeration data

13. Summary and interpretation of multiple lines of evidence using data collected from deep wells


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