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Total depth of boring, 57 meet Diameter of boring, 10-1/4 Inch Date drilled, 1/12/93 <br /> Casing diameter, 4 Inch Length, 57 Feet Slot size, 0 02 Inch <br /> Screen diameter, 4 Inch Length, 20 Feet Material type, PvC <br /> Drilling Company, XON Drillers Jirr Grea <br /> Method Used, Hollow-stem auger Cchfornia modified split—spoon Field Geologist, Claudia Avila <br /> Signature of Registered Professional, <br /> Registration No., 4313 State, Calitornio <br /> MEASURED SAMPLE � USCS WELL <br /> DEPTH NO A P.l D. CODE DESCRIPTION <br /> CONST <br /> 0 <br /> Asphalt <br /> 2 <br /> 4 <br /> S-5 42 0 ML Clayey sdt moderate yedowish brown dry low—plasticity <br /> 6 ppmv hard <br /> 8 <br /> 10 S-10 70 0D <br /> ark Dark yellowish brown <br /> 12 <br /> 14 <br /> 5-15 48 PPa v Scndv Spit fine—grained moderate yellowish brown ncn—plastic <br /> 16 hart <br /> LOG OF BORING: B-16/MW-5 PLATE <br /> t—AW/"IW! & ARCO Service Station No. 2168 <br /> 441 West Charter Way B-33 <br /> PROJECT NO. 31009 1009G5A Stockton, California <br />