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[Off-Post GW Reports Index] [Volume 5 Index]

March 2002 Off-Post Quarterly Groundwater Monitoring Report, June 2002

Table of Contents

1.0 - Introduction

2.0 - Previous Off-Post Groundwater Sampling Procedures

2.1   Previous Off-Post Groundwater Sampling Results

3.0 - March 2002 Groundwater Sampling Procedures

4.0 - March 2002 Quarterly Monitoring Analytical Results

4.1   Dominion

4.2   Fair Oaks

4.3   Hidden Springs

4.4   I-10

4.5   Jackson Woods

4.6   Leon Springs

4.7   Old Fredericksburg Road

4.8   Ralph Fair Road

5.0 - Effectiveness of GAC Filter Treatment of Contaminated Groundwater

6.0 - Summary and Recommendations

Appendices

Appendix A   Evaluation of Data Quality Objectives (DQOs) Attainment

Appendix B   March 2002 Quarterly Off-Post Groundwater Analytical Results

Appendix C   Field Notes

Figures

Figure 1.1   Cumulative Off-Post Well Sampling Locations

Figure 2.1   PCE and TCE Trends in wells LS-6 and LS-7

Figure 2.2   PCE and TCE Trends in wells RFR-10 and RFR-11

Figure 2.3   PCE and TCE concentration trends in wells LS-2 and LS-3

Figure 2.4   PCE and TCE concentration trends in LS-2/LS-3 EP and OFR-3

Figure 4.1   PCE Maximum Concentrations in Off-Post Well Sampling Locations for January to March 2002

Figure 4.2   TCE Maximum Concentrations in Off-Post Well Sampling Locations for January to March 2002

Figure 4.3   cis-1,2-DCE Maximum Concentrations in Off-Post Well Sampling Locations for January to March 2002

Tables

Table 1-1   Sampling Rationale for March 2002

Table 4.1   March 2002 Off-Post Groundwater, Detected Analytes Only

Table 5.1   Pre- and Post-GAC Comparison for  Wells LS-6, LS-7, RFR-10, and RFR-11