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" , Benzene- <0.5 <br /> Approximate Toluene <Q.5 <br /> Groundwater Second Street <br /> Ethylbenzene- <0.5 <br /> Flow Direction Xylenes- <0.5 <br /> Gradient = 0.002 TPH-g - <50 <br /> MTBE - <2.5 <br /> Benzene- <0.5 <br /> _ -----_-__-__� Toluene- <0.5 <br /> Benzene - <0.5 <br /> I *- yy Ethylbenzene- <0.5 <br /> Toluene- <0.5 Building i Xylenes- <0.5 <br /> Ethylbenzene - <0.5 ` <br /> TPH-g - <50 <br /> Xylenes- <0.5 N MTBE- <2.5 <br /> Ln <br /> TPN g - <50 <br /> MW-4 03 <br /> MTBE - <2.5 (-12.78) <br /> m ` Benzene - 1.7 <br /> Toluene <Q.S <br /> cn Ethylbenzene- <0.5 <br /> ti � US7C/) Xylenes <0.5 <br /> a. " .y: TPH-g- 1'�0 <br /> MW-1 MVV-2" MTBE- <2.5; <br /> 12.74) <br /> x a Former ! <br /> � dispenser W <br /> Islands <br /> 58 3 Sb�4 58 S I M W-5, o <br /> MVV-7 <br /> l o t 1 x.23) (-12.90) <br /> 1 T Former <br /> VEW�1 10K UST <br /> Benzene- <0.5 (dry) 1 , Leaded & <br /> Toluene- <0.5 , , , , , Unleaded <br /> Ethylbenzene- <0.5 . -V _2 f Gasoline Benzene- 2.6 <br /> Toluene - <0.5 <br /> Xylenes- <0.5 I <br /> Ethylbenzene- <0.5 <br /> TPH-g- 53 (-12.77) <br /> MTBE - <2.5 MW-3 Concrete Pad 'V X YPenes <0.5 <br /> TP1 f-g - 97 <br /> I <br /> MTBE- 11 <br /> (-12.77) ,__.._------ -- ------- _ <br /> MW-6 i Benzene- <Q,5 Remediation Block Wall <br /> Toluene- <0.5 Equipment <br /> Ethylbenzene- <0.5 Enclosure Benzene 1.2 <br /> Xylenes - <0.5 Toluene- <0.5 <br /> TPH-g- <50 Ethylbenzene- <0.5 <br /> MTBE- <2.5 Xylenes- 0.84 <br /> TPH-g - <50 <br /> MTBE- 100 <br /> LEGEND <br /> -k` Groundwater Monitoring Well <br /> Vapor Extraction Well <br /> �2T5 Groundwater Contour Line <br /> (-12.77) Groundwater Elevation, ft msl (/ 0 20 40 <br /> • s8-3rd 6scc( Goa gsri <br /> * Anomalous Value (Not Contoured) <br /> Approx. Scale (feet) <br /> Drawn EIA Date 9117198 <br /> Figure 6. Site plan showing groundwater elevations and Reviewed Date <br /> analytical results (µg/L), Exxon RS 7-0137, Rev Date <br /> Stockton, California, 15 July 1998. <br /> +Final Date <br /> 2-L-1, <br /> 1 pG, <br /> 701 371.....1gO7/96.M <br />