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Wright Environmental Services, Inc Tracy, CA Exploratory Boring Log <br /> Project No 4070-T Boring/Welt No SB-12 <br /> Client M & M Automotive Date Drilled April 15, 1996 Well Installed none <br /> Location 60 E 10th St , Tracy, CA Logger CMP <br /> Drilling Method 2" OD GeoProbe Push Cement Grout Seal 12' to surface <br /> Permit County of San Joaquin Health Department #008188 <br /> Water Levels 1st Enc 10' Static 5 20' 0 1 04pm <br /> Sample Hydr T Depth Borehole <br /> No OV push (f t) Lithology Lag Completion <br /> Pavement and Subbase <br /> CL - Silty CLAY, dark yellowish brown 10YR 416, sand ¢10% <br /> disseminated, medium plasticity, massive, rare rootholes, <br /> soft/firm, damp <br /> C w <br /> 812 1 - push J Same as above, damp <br /> Pushes easily to 10 feet <br /> 10 <br /> B 12 2 _ push SC - Clayey SAND, very dark gray 10YR 311, sand 80%, clay <br /> low plasticity, very crudely bedded, med dense, saturated <br /> Bottom of Boring = 12 feet, <br /> water enters borehole rapidly <br /> Reviewed by RG/CEG <br />