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DISCUSSION <br /> • At the time of the first quarter 2004 monitoring event, groundwater was encountered in the monitoring <br /> wells at depths ranging from 50 03 to 51 04 feet below ground surface (bgs) Groundwater elevations <br /> Increased between 1 75 and 2 57 feet in wells MW-13, MW-14, and AS-1 since the December 16, 2003 <br /> monitoring event Groundwater in wells MW-13, MW-14, and AS-1 are fluctuating within historical ranges <br /> Wells MW-1 and VW were dry, consistent with historical data <br /> TPHG (8,500 gg/L), benzene (26 pg/L), MTBE (2 5 µg/L), and TBA (30 µg/L) were reported in well <br /> MW-13 TPHG was also reported in wells MW-14 (500 µg/L) and AS-1 (74 µg/L) 1,2-DCA was reported <br /> in wells MW-14 (14 µglL) and AS-1 (5 1 µg/L) Concentrations of hydrocarbons reported in wells are <br /> generally consistent with historical data <br /> ATTACHMENTS <br /> • Table 1 Groundwater Elevation and Analytical Summary <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 /> PITelcherMtockton-1031Quarterly120041Teichert_1Q04 DOC 5Tl:ATU5 <br />