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Caltrans Construction <br /> Division <br /> x <br /> Office <br /> x Office <br /> Trailer <br /> x <br /> ss (-3 <br /> X <br /> 8.70) <br /> -x x-x -x-x-x x-x-x-x-x x-x-x-x x-x-x-x-x-x-x- <br /> - Chain Link Fence � <br /> iMW"90 <br /> x (-38.75)1 <br /> Storage Warehouse <br /> 1 <br /> MW-8 <br /> UMW- <br /> (-38.61) (-38 <br /> 8.68) 1 <br /> Ix / ' 1 <br /> VW-2 / <br /> LU Driveway 9SB-2 (38.65)/ <br /> LU ,, MW 1 / <br /> -38.67 <br /> cc VW-1* Concrete ( ) / <br /> cn (� A(36.64) ■ Former <br /> 1 / SB-3 Pump Island 0.000=' I <br /> co i / MW-110 <br /> I (38.77) STOCKTON <br /> x :B-1 ' Building I QMW-6 / YARD <br /> I— I MW-3 (-38.72) / FACILITY <br /> o x (38.61) <br /> Approximate Location / <br /> V of Underground I Former / <br /> Fuel Tank Cavity Concrete Pump Island <br /> $ <br /> 1 / <br /> MW-2 <br /> Driveway (-38.68) <br /> Po I <br /> X (-38.61) <br /> W-5 <br /> LEGEND: / (-38.65) <br /> O MW-4 through MW-12; GEOCON I % �/ // Maintenance Facility <br /> Groundwater Monitoring Wells i / <br /> MW-1 through MW-3; Alton Geoscience <br /> Groundwater Monitoring Wells, March 1992 <br /> 10� / <br /> • SB-1 and SB-2; Alton Geoscience <br /> Soil Borings,March 1992 / <br /> Mw-i o <br /> ■ SB-3,GEOCON Soil Boring x (-38.74) <br /> / ENVIRONMENTAL CONSULTANTS INCOR ( j <br /> VW-1 &VW-2; GEOCON Vapor Extraction Wells I / 3235 SUNRISE BLVD.-SUITE 6-RANCHO CORDOVA,CALIFORNIA 95742 a <br /> x ^h 1 PHONE 916 852-9118-FAX 916 852-9132 <br /> ————— Groundwater Elevation Contour(Interval=-0.05 Ft.) Caltrans Stockton Yard Maintenance Facility <br /> (-39.74) MSL Elevation of Groundwater Measured 10/22/96 1604 South B Street GROUNDWATER <br /> B Approximate Groundwater Gradient 0 40 Stockton, California ELEVATION MAP. <br /> VW-1 Not Used to Calculate Gradient/Contours Approx.Scale in Feet GEOCON Proj. No. S8100-06-1 1 C OCTOBER 1996 <br /> Task Order No. 10-911175-12 December 1996 Figure 4 <br />