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i <br /> Wright Environmental Services, Inc , Tracy, CA Exploratory Boring Log <br /> . Protect No 4070 Boring/Well No B-5 <br /> Client M&M Auto Date Drilled July 29, 1997 Well Installed No <br /> Location 60 E 10th St , Tracy, CA Logger CMP <br /> Total Depth 15' <br /> Drilling Method 8" OD Hollowstem Cement Grout Seal 15' to surface <br /> Permit. SJC-PHS#013175 <br /> Water Levels 1st Enc 12'+ Static -- <br /> Sample Blow a Depth Borehole <br /> No OV Count cn (ft) Lithology Log Completion <br /> Gravel FILL <br /> CL - Silty CLAY, dark brown 10YR3/3, low to medium <br /> plasticity, 5% very fine sand dissem , drills firm, damp <br /> 136 push® w <br /> 05, 500 Pal 5 Same as above, drills firm-stiff, damp <br /> 136 <br /> push Q CL - Sandy CLAY, dark yellowish brown 10YR4/6, low to <br /> e io soo psi <br /> 10 medium plasticity, faintly bedded, very fine sand to 25%, <br /> firm, moist <br /> 86 push 0 SP-SW - SAND, varigated, fine to coarse sand to 90%, silt and <br /> e 15 son psi 15c <br /> � lay to 10%, massive, contains rare thin clay beds at 15 feet, <br /> overall saturated, drills mod dense <br /> Bottom of Boring = 15 feet <br /> Reviewed by RG/CEG <br />