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DISCUSSION: <br /> �^ At the time of the second quarter 2003 monitoring event, groundwater was encountered in the monitoring <br /> wells at depths ranging from 49.96 to 50.55 feet below ground surface (bgs). Groundwater elevations <br /> increased in wells MW-13 (0.30 feet) and MW-14 (0.35 feet), and decreased in well AS-1 (0.24 feet) <br /> since the March 18, 2003 monitoring event. Wells MW-1 and VW were dry. <br /> TPHG and total lead were detected in wells MW-13 and MW-14. Benzene (23 µg/L) was detected in well <br /> MW-13. The highest concentration of TPHG (5,300 µg/L) was reported in well MW-13. MTBE was not <br /> reported in any wells during this sampling event. 1,2-DCA was reported in wells MW-14 (13 µglL) and <br /> AS-1 (5.6 µg/L). Concentrations of hydrocarbons detected in well MW-13 are generally consistent with <br /> historical data. <br /> ATTACHMENTS: <br /> ® Table 1 Groundwater Elevation and Analytical Summary <br /> ® Figure 1 Site Location Map <br /> • Figure 2 Site Map <br /> o Appendix A Field Data Sheets <br /> • Appendix B Sampling and Analysis Procedures <br /> • Appendix C Certified Analytical Reports and Chain-of-Custody Documentation <br /> • <br /> P:%Teichert%Stockton-1031Quarterly120031Teichert_2Q03.DOC 5 rRA ru5 <br />