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DISCUSSION <br /> • At the time of the third quarter monitoring event, groundwater was encountered in the monitoring wells at <br /> depths ranging from 21 40 to 21 63 feet bgs Groundwater elevations decreased approximately 1 2 feet in <br /> the monitoring wells since the May 3, 2002, monitoring event Groundwater elevations measured during <br /> the third quarter 2002, are generally consistent with historical potentiometric data <br /> TPHG (150 pg/L), and TBA (26 ltg/L) were detected in well MW-2 Petroleum hydrocarbons were not <br /> detected in well MW-1, and BTEX compounds, MTBE, D1PE, TAME, or ETBE were not detected in well <br /> MW-2 This analytical data is consistent with historical analytical data <br /> ATTACHMENTS <br /> • Table 1 Groundwater Elevation and Analytical Data <br /> • Table 2 Groundwater Analytical Results for Oxygenates <br /> • Figure 1 Site Location Map <br /> • Figure 2 Site Map <br /> • Appendix A Field Data Sheets <br /> • Appendix B Sampling and Analysis Procedures <br /> • Appendix C Certified Analytical Reports and Chain-of-Custody Documentation <br /> P 1I B C\Stockton\Qrt1yU00211BC Stockton-3Q02 DOC STRATUS <br />