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Total depth Of borings 40 Feet Diameter of boring: 10-114 Inch Date drilled-12Z15/92 <br /> • Casing diameters 4 Inch Length, 40 Feet Slot: size, 0 10 Inch <br /> Screen diameter, 4 Inch Lengths 20 Feet Material type: PVC <br /> Drilling Company, JCON Dn0er, Jim Gre <br /> Method Useds Hollow-stem auger, California modified split-spoon Field Geologist, Claudio Avwla <br /> Signature of Registered Professionals <br /> Registration No.s 4313 State, California <br /> NEASiIit SAMPLE <br /> DEPTH NO. � PTD. CODE <br /> DESCRIPTION WELL <br /> CONST. <br /> 0 <br /> Asphalt and gravel fill <br /> 2 <br /> 4 <br /> s <br /> 0 I <br /> 6 S-5 9 ppmv ML Clayey silt, grayish brown dry law plasticity, medium stiff <br /> 8 <br /> 10 — <br /> S-10 40 45 Grayish green, very stiff <br /> ppmv <br /> 12 - <br /> 14 - <br /> 16 — <br /> 21415 S-15 35 44 <br /> ppmv SM Silty sand, fine-grained, light olive gray, dry, non-plastic, dense <br /> 18 ML <br /> • ���L1� LOG OF BORING: B-27/VW-16 PLATE <br /> �SIt7I'7 ARCO Service Station No, 6100 <br /> RLE NO 25775 South Patterson Pass 8 <br /> PROJECT NO. 30041 4041D3A Tracy, California <br />