Scientific Investigations Report 2006-5030

U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2006-5030

Evidence for Chloroethene Biodegradation in Ground Water at Former Building 957 Drum Storage Area, Area 2, Operable Unit 2, Naval Undersea Warfare Center, Division Keyport, Washington


By R.S. Dinicola

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Table of Contents

Conversion Factors, Datums, and Acronyms and Abbreviations

Abstract

Introduction

Sample Collection and Analysis

Evidence for Chloroethene Biodegradation in Ground Water

Summary and Conclusions

References Cited

Figures

Figure 1. Location of former Building 957 drum storage area, Area 2, Naval Undersea Warfare Center, Division Keyport, Washington.

Figure 2. Location of monitoring wells and June 2003 water level altitudes at former Building 957 drum storage area, Area 2, Naval Undersea Warfare Center, Division Keyport, Washington.

Figure 3. Concentrations of trichloroethene (TCE), cis-dichloroethene (cis-DCE), and vinyl chloride (VC) in ground water at former Building 957 drum storage area, Area 2, Naval Undersea Warfare Center, Division Keyport, Washington, June and August 2003.

Tables

Table 1. Construction data and water-level measurements for selected monitoring wells at former Building 957 drum storage area, Area 2, Naval Undersea Warfare Center, Division Keyport, Washington, June 23, 2003.

Table 2. Predominant reduction-oxidation (redox) conditions and ground-water geochemical data collected at former Building 957 drum storage area, Area 2, Naval Undersea Warfare Center, Division Keyport, Washington, June 23, 2003.

Table 3. Potential relative efficiency of chloroethene biodegradation through microbial reductive dechlorination or microbial oxidation as a function of in situ redox conditions.

Table 4. Chloroethene concentrations in ground water at former Building 957 drum storage area, Area 2, Naval Undersea Warfare Center, Division Keyport, Washington, 1991 to 2004.

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Send questions or comments about this report to the author, R.S. Dinicola , (253) 428-3600 ext. 2603.

For more information about USGS activities in Washington, visit the USGS Washington Water Science Center home page .

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