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Total depth of boring, 50 Feet Diameter of borings8-1/4 Inch Date drilled, 10/7/93 <br /> Casing diameters 2 Inch Length, 50 Feet Slot size, 0 02 Inch <br /> Screen diameters 2 Inch Length, 20 Feet Material types PVC <br /> Drilling Company: WESTEX Drillers Mark/John <br /> Method Used, Hollow—stem auger California modified split--spoon Field Geologist, Claudio Avila <br /> Signature of Registered Professionals <br /> Registration No., 4313 State, California <br /> IEASURED SAMPLE USCS WELL <br /> DEPTH NO <br /> CDP <br /> P .1 D. CODE DESCRIPTION <br /> CONST <br /> 0 <br /> Asphalt <br /> 2 <br /> 4 <br /> S-5 29 PPO v ML Clayey silt moderate yellowish brown dry, low—plasticity <br /> very stiff <br /> 6 <br /> 8 <br /> 10 S-10 51 0 Pale yellowish brown, hard <br /> ppmv <br /> 12 <br /> 14 <br /> 5-35 74 0 <br /> ppmv Pale yellowish brown with Eight olive gray stains <br /> is <br /> 18 <br /> ��r11►IA LOG OF BORING: B-21/MW-7 PLATE <br /> ARCO Service Station No. 2168 <br /> 441 West Charter Way B-45 <br /> PROJECT NO. 31009 1009�2a Stockton, California <br />