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[Groundwater Table of Contents]

FINAL

December 2002

On-Post

Quarterly Groundwater Monitoring

Report  

Prepared For

Department of the Army
Camp Stanley Storage Activity
Boerne, Texas
 

MARCH 2003

Table of Contents

1.0  WATER LEVEL MEASUREMENTS

2.0  BASEWIDE FLOW DIRECTION AND GRADIENT

3.0  WELL CS-MW16-LGR WATER LEVEL AND TRANSDUCER DATA

4.0  DECEMBER 2002 ANALYTICAL RESULTS

4.1  Volatile Organic Compound Analyses

4.2  Metals Analyses

5.0  SUMMARY 

List of Appendices

Appendix A  Evaluation of Data Quality Objectives Attainment

Appendix B  December 2002 Quarterly On-Post Groundwater Monitoring Analytical Results

List of Tables

Table 1-1  Summary of Groundwater Elevations

Table 1-2  Comparison of Groundwater Elevations from  September 2002 to December 2002

Table 3-1  Comparison of CS-MW16-LGR Weather Station Precipitation and Average Overall Groundwater Elevation Change

Table 4-1  December 2002 Quarterly Groundwater Detected Concentrations

List of Figures

Figure 2-1  December 2002 Potentiometric Surface Map

Figure 2-2  December 2002 Potentiometric Surface Map for the LGR Screened Wells Near Building 90

Figure 2-3  December 2002 Potentiometric Surface Map for the CC Screened Wells near Building 90

Figure 2-4  Groundwater Elevations for Wells CS-MW6-LGR/BS/CC

Figure 2-5  Groundwater Elevations for Wells CS-MW7-LGR/CC

Figure 2-6  Groundwater Elevations for Wells CS-MW8-LGR/CC

Figure 2-7  Groundwater Elevations for Wells CS-MW10-LGR/CC

Figure 3-1  Well CS-MW16-LGR GW Elevation and Precipitation Data

Figure 3-2  Well CS-MW9 Cluster Groundwater Elevation and Precipitation Data

Figure 3-3  Wells CS-MW16-LGR and CS-MW4-LGR Groundwater Elevation and Precipitation Data, December 2002

Figure 4-1  Fig_4-1 CS-MW16-LGR PCE and TCE Concentrations since 1991

Figure 4-2  Well CS-MW16-LGR Concentrations for Selected Analytes Since 1998

Figure 4-3  Well CS-D PCE and TCE Concentrations since 1991

Figure 4-4  Well CS-D Concentrations for Selected Analytes Since 2000

Figure 4-5  Well CS-MW1-LGR PCE and TCE Concentrations since 1998

Figure 4-6  Well CS-MW2-LGR PCE and TCE Concentrations since 1998

Figure 5-1  Concentrations of Tetrachloroethene in Selected Wells

Figure 5-2  Concentrations of Trichloroethene in Selected Wells

Figure 5-3  Concentrations of cis-1,2-Dichloroethene in Selected Wells