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1 <br /> 16 5 <br /> 4. SUMMARY OF RESULTS <br /> A summary of the analytical results from current and past well samplings is presented <br /> ' in Table 1 Based on the water-level data for December 9, 1996 (Table 1). Smith <br /> Technology has interpreted the groundwater gradient and flow directions for the upper <br /> and lower aquifers, as shown on Figures 3 and 4, respectively In the local upper <br /> aquifer (Monitoring Wells MW-5, MW-6 and MW-7), the groundwater level fell an <br /> average of 0 09 feet, ranging from -0 07 feet in Monitoring Well MW-6 to -0 11 feet <br /> in Monitoring Well MW-7. In the local lower aquifer (Monitoring Wells MW-1R, MW-2, <br /> MW-3, and MW-4), the groundwater level fell an average of 0.12 feet, ranging from <br /> -0 05 feet in Monitoring Well MW-2 to -0 19 feet in Monitoring Well MW-3. The <br /> ' apparent groundwater flow direction in the local upper aquifer is to the southeast at a <br /> gradient of approximately 0 004 (Figure 3) The apparent groundwater flow direction <br /> in the local lower aquifer is to the east at a gradient of approximately 0.002 (Figure 4) <br /> Laboratory analyses of water samples collected on December 9, 1996 from <br /> Monitoring Wells MW-5, MW-6, and MW-7, indicated that TPH-G and BTEX were not <br /> detected in any of these samples While MTBE was not detected in the groundwater <br /> ' sample collected from Monitoring Wells MW-6 and MW-7, it was detected in the <br /> sample collected from Monitoring Well MW-5 at a concentration of 350 parts per <br /> billion (ppb). The next quarterly groundwater sampling is scheduled for March 1997 <br /> 1 <br /> r <br /> WAW W4 273%QVIK 132 RPT 123 Ape$61 sMTH <br /> 1 <br />