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Total depth of boring[ 50 Feet Diameter of bor:ng.8-1/4 Inch Dais drilled, 10/7/93 <br /> Casing diameter, 2 Inch Lengthy 50 Feet Slot sizes D 02 Inch <br /> Screen diameters 2 Inch Length; 20 Feet. Material type: PVC <br /> Drilling Company; WESTFX Driller: Marls John <br /> Method Usedi Hollow—stem auger, California mod=fied split—spoon Field Geologiati Claudio Avila <br /> Signature of Registered Professional. <br /> Registration No.; 4.313 State. California <br /> l <br /> MEASURED SAMPLE oELL <br /> P.I.D.P.LD. USCS DESCRIPTION <br /> DEPTH NO, m CODE CONST. <br /> I <br /> D <br /> Asphalt <br /> 2 <br /> 1 <br /> 4 <br /> S-5 29 ppmv ML Clayey silt, moderale yellowish brown dry, low—plasticity, <br /> very stiff <br /> 1 8 <br /> 10 S-10 51ppmv Pale yellowish brown, hard <br /> 1 <br /> 12 - <br /> 14 — <br /> S-15 <br /> 214S-15 74 <br /> ppmv Pale yellowish brown with light olive gray siaEns <br />� 16 <br /> 18 <br /> 1 _ ��—`/A LOG OF BORING: B-21/MW-7 PLATE <br /> . _�AWAUVAV=% ARCO Service Station No. 2168 <br /> 441 West Charter Way 7 <br /> FILE NO Stockton, California <br /> PROJECT NO. 31009 1009J2A <br />