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I <br /> Total depth of borlsge74-1 2 Feet Diameter of boring, B-1/4 Inch Date drilled, 11 17 92 <br /> . Casing diameter, 2 Inc LeWhj 73--1 2 Feet _ Slot size, 0 02 Inch <br /> Soreen diameter, 2 Inch Length, 20 Feetlz Material types PVC <br /> Drilling Companys WESTEX Drfllere Chris dike <br /> Method Used, Hollow-stem ouger, California modified split-spoon Field Geologist, Claudia Avila <br /> Signature of Registered Professionals <br /> Registration Noa 4313 State, California <br /> WASSALE d WELL <br /> PJB. DESCRIPTION <br /> DE8CRlPT10N <br /> DEPTH NO. CODS CONST. <br /> I <br /> 0 <br /> Con trete <br /> 2 <br /> 4 - <br /> 3-5 <br /> S-5 27 Ppm v ML Clayey silt, moderate yellowish brown, dry, low—plasticity, very stiff •• ' <br /> 6 <br /> — 10 - 5-10 39 ppmv Hard <br /> 12 - <br /> - 14 — <br /> S-1 5 <br /> 214 S-15 30 ppmv SM Silty sand, fine—grained, light brown, dry, non—plastic, <br /> medium dense <br /> 16 <br /> 18 <br /> �"AW1►1i LOO OF BORING B-22/MW-7 PLATE <br /> ARCO Service Station No. 2130 <br /> 7908 North El dorado Street 8 <br /> FILE NO <br /> PROJECT NO. 30003 0003G18A Stockton, California <br />