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■ ,w <br /> Approximate Benzene- <0 5 Benzene- <0 5 <br /> Groundwater Toluene- <0 5 Second Street Toluene- <0 5 <br /> Flow Direction Ethylbenzene- <0 5 Ethylbenzene- <0 5 <br /> -- Xylenes- <0 5 Xylenes- <0 5 <br /> Gradient = 0 002 TPH-g- <50 TPH-g- <50 <br /> MTBE- <2 5 MTBE - <2 5 <br /> Benzene- <0 5 <br /> i � Toluene- <0 5 <br /> Benzene- <0 5 Ethylbenzene- <0 5 <br /> Toluene- <0 5 I, � Building ---- ----------- � Xylenes- <0 5 <br /> Ethylbenzene- <0 5 ` I TPH-g- 68 <br /> Xylenes- <0 5 ¢ MTBE- <2 5 <br /> TPH-g - <50 <br /> MTBE - <2 5 MW-4 <br /> (-14 12) <br /> CD I +- <br /> Z ' O <br /> CDD 's <br /> Cl)In COM W-2 O <br /> MW-1 Former a <br /> I Dispenser (-1414) cD <br /> r. <br /> (-1406) Islands i Q <br /> Benzene- <0 5 [U- <br /> Toluene- <0 5 O <br /> I <br /> Ethylbenzene- <0 5 ,MW 5` � <br /> Xylenes- <0 5 y - r - r - p MW-7 <br /> TPH-g- 79 1 + i -14 87) (/) (-1421) <br /> MTBE - <2 5 <br /> ' 11 11 ' Former o <br /> VEW-11 ! ' T <br /> Leaded .ry <br /> F i i Uniea d <br /> _ , _ Gaso a Benzene- <0 5 <br /> y Toluene- <0 5 <br /> (-1411 ^� Ethylbenzene- <0 5 <br /> MW-3 I I Xylenes- <0 5 <br /> C ncrete Pad TPH-g-<50 <br /> ^o d MTBE- <2 5 <br /> MW-6 Benzene- <0 5 Block Wall <br /> (-1410) Toluene- <0 5 <br /> Ethylbenzene- <)5 Remediation <br /> Xylenes- <0 5 Equipment Enclosure <br /> TPH-g- <50 <br /> MTBE- <2 5 <br /> LEGEND <br /> Groundwater Monitoring Well <br /> X Vapor Extraction Well <br /> A,% Groundwater Contour Lines <br /> (-1414) Groundwater Elevation, ft msl 0 20 40 <br /> * Anomalous Value (Not Contoured) Approx Scale (feet) <br /> Drawn ELA Date 6111198 <br /> Figure 1 Site plan showing groundwater elevations and Reviewed Date <br /> ® analytical results (µg/l-), Exxon RS 7-0137, Rev Date <br /> Stockton, California, 15 April 1998 Final Date <br /> 6-IzG <br /> 70137. 1go498tn5 <br />