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' TABLE 2 <br /> Summary of Ground Water Analytical Results, <br /> ' March 16, 1.999 <br /> Analyte <br /> Sample Ethyl Total <br /> Benzene Toluene TPH-Gas <br /> Location Benzene Xylenes <br /> {µg/L) (µglL} (Ag/L) (µg/L) (mg/L} <br /> MW 1A 300 5.0 46 85 4.5 <br /> MW-6 1.9 ND 1.2 3.0 0.2 <br /> 1 ND =Not detected above the laboratory detection limit. <br /> 5.3 Ground Water Gradient <br /> ' A ground water gradient map was produced from the data obtained from the March 16, <br /> 1999 sampling event (Figure 2). The elevations used in the calculation are summarized <br /> in Table 3. The ground water flow direction was toward the northwest during this <br /> re sampling event. This gradient and flow direction is consistent with previous monitoring <br /> events. <br /> ' TABLE 3 <br /> Monitoring Well Water Elevations - March 16, 1999 <br /> ' Well Well Collar Depth to Water Ground Water <br /> Number Elevation (feet) Elevation(feet) <br /> (feet) <br /> 1A" E7ti' � � p.::NA0 <br /> MW-5 57.86' 11.86' 46.00' <br /> MW-6 57.27' 11.32' 45.95' <br /> ' <br /> MW-7 56.15' 9.78' 46 37' <br /> a463 <br /> `03;`* <br /> NOTE: Shaded cells indicate wells not used in gradient calculation. <br /> American Geological Services, Inc. <br /> CA95DE-029 <br /> 9 <br /> 1 <br />