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mum cam <br /> SCALE: z <br /> S. <br /> A' so, <br /> DISTANCES AND ELEVATIONS IN FEET <br /> — 30 LEGEND: <br /> END: <br /> AMW3 <br /> 25 <br /> GROUNDWATER MONITORING <br /> WELL SHOWING SEAL AND <br /> SLOTTING <br /> i _ 20 '�` GEOLOGIC CONTACT <br /> CLAY I i 4 GROUND WATER ELEVATION <br /> I i AT TIME OF DRILLING. <br /> I i <br /> I L I I { I — 1S GROUND WATER ELEVATION <br /> TO \ I I i I ON AUGUST 27,1490 <br /> I I i i <br /> a 10 <br /> SILTY SANK <br /> FIGURE 4: <br /> HYDROGEOLOGIC CROSS <br /> S SECTION A-A' <br /> 0 <br /> FORMER MOBIL OIL CORPORATION <br /> SERVICE STATION NO.I -NP4 <br /> 2375 TRACY BOULEVARD <br /> TRACY,CALIFORNIA <br /> --.........—— <br /> - ----- --- -. -� ALTON---GEOECIENCE - - -- <br /> 1000 &" at Am. S L I40 <br /> ALTON GEOSGIENCE PROJECT NO.13-140 Cor=4 GA. 94M <br />