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I <br /> Total depth of boring, 71 Feet Diameter of boring: 6-1/4 Inch Date drllled, 12/16/92 <br /> Caging diameter, A Length, N/A Slot size, N/A <br /> Screen diameters N/A Length, N/A Material type: N/A <br /> Drining Company, JCON Driller, Jam Gre <br /> Method US.d, Hollow-stem auger, California modified split-spoon Field Geologist, Claudio Avila <br /> Signature of Registered Professional, <br /> Registration No., 4313 State, California <br /> f <br /> I <br /> I <br /> I <br /> rDEPTH <br /> AMPLE P.I.D. USCS DESCRIPTION WELL <br /> NO- m CODE <br /> CONST. <br /> o <br /> I <br /> Asphalt and gravel fill ' <br /> 2 <br /> 3 <br /> 4 <br /> I _ <br /> 8 <br /> 6 S-5 9 ppmv ML Clayey silt brownish black dry low plasticity, stiff01 <br /> ' <br /> • .- <br /> 8 <br /> 1Q . ,• . <br /> S-10 21 0 Light olive gray ' <br /> ppmv <br /> 12 — <br /> _ 14 - <br /> 0 <br /> 2 140 <br /> 16 S-15 38 ppmv Trace fine-gravel, hard <br /> I • . <br /> 18 <br /> I <br /> E <br /> • <br /> 0 `������ LOG OF BORING: B'-28 PLATE <br /> A ARCO Service Station No. 6100 <br /> 25775 South Patterson Pass 10 <br /> PROJECT NO. 30041 0041D4A Tracy, California <br />