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Total depth of borl" 41 Feet Diameter of boring:8-1/4- Inch Date drilled. 1/1 1/93 <br /> Casing diamelere 4 Inch Length, 25 Feet Slot size1 0 10 Inch <br /> I Screen diameter, 4 Inch Length, 20 Feet Material type: PVC <br /> Drilling Company, JCON Drill re John Jim <br /> Method Used. Hollow—stern auger. California modified spht/`s��ow,-Beld Geologlsto Claudia Avila <br /> Signature of Registered Professionsh <br /> Registration No., ¢313 to ejCalifornia <br /> WASURED SAMPLE USCS WELL <br /> DEPTH NO. PJ.D, DESCRIPTION <br /> m CODE CONST. <br /> I <br /> 0 <br /> Con crete <br /> 2 <br /> i <br /> 4 <br /> S-5 21 5 ML Clayey silt, moderate yellowish brown, dry, low plasticity, <br /> ppmv very stiff <br /> 6 <br /> 8 <br /> 10 S-10 30 54 Dark yellowish brown <br /> ppmv <br /> 12 <br /> 14 <br /> 5-15 60 ppmv Trace clay, moderate yellowish, non—plastic, hard <br /> 16 — <br /> 18 <br /> LOG OF BORINGS B-13/VW-4 PLATE <br /> iAWAWAVIFADMU ARCO Service Station No. 2168 <br /> FILE NO 441 West Charter Way 5 <br /> PROJECT NO. 31009 1009G2A Stockton, California <br />