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+MW4 <br /> TS89 5850 <br /> MW2 <br /> MW1 <br /> -34.45 -34.49 <br /> `S81 SB12' <br /> Pump <br /> -s+.00 B8 S86 S87 <br /> S814 <br /> ' I 5811 <br /> Pump I island <br /> =j--'- -1 1 <br /> 1 1 1 1 I I i <br /> TrailerS840 <br /> S820 I I r I <br /> Estimated direction -3a 1 S813 1----I I j <br /> of groundwater flow i---------'_-J I, <br /> EXPLANATION - °Q <br /> • Soil boring drilled December 1989 by others -- soil affected S810 <br /> t 0 Soil boring drilled December 1989 by others - , <br /> soil not affected MW3 <br /> - - Monitoring well installed April and May 1991 by others +-32-66 <br /> Monitoring well installed November 1995 by Geomatrix OS83 <br /> Soil boring drilled October and November 1995 <br /> by Geomatrix - solid affected i <br /> ' <br /> Soil boring drilled October and November 1995 <br /> by Geomatrix - soil not affected �N <br /> ' -34.45 Groundwater elevation measured 17 November 1995 <br /> _a3 Line of equal elevation of groundwater surface <br /> (feet above mean sea level) 0 20 f#. <br /> NOTE:Base map adapted from Plate-2 of Canonie Environmental- -� -- _ -- <br /> 28 February 1985 "Groundwater Monitoring and Sampling Approximate <br /> at Chevron USA Production Company, 540 North Aurora Street, Scale <br /> Stockton, California" draft letter report. <br /> cS«ran\3077-az 04/30/ae <br /> GROUNDWATER ELEVATION CONTOURS - 15 MARCH 1996 Project No. <br /> Reviewed by: goo NORTH AURORA/969 EAST i=REMONT STREETS <br /> Chevron Real Estate Management Company C3077 <br />� Stockton, California <br /> r�gure <br /> Approved by: GEOMATRtX CONSULTANTS, INC. <br /> ' Engineers. Geoiogistn. and Environmental Scientist <br /> 3 <br />