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Total depth of borings 31-1/2 ft Diameter of boring: 8 in Date drilleds 7/16/91 <br /> Casing diameters N/A Lengths N/A Slot size, N/A <br /> Screen diameters N/A Lengthy N/A Material types N/A <br /> Drilling Companys Wa ne Drilling Co Drillers Rich and .lav <br /> Method Useds Hollow—stem Auger Field Geologist, R Alden <br /> Signature of Registered Professional, <br /> Registration No.s 4313 State, Calf <br /> DEPTH SAMPLE WELL <br /> NO m P i D. CODE DESCRIPTION <br /> CONST <br /> 0 <br /> Asphalt gravel base <br /> 4 <br /> 0 <br /> 6 5-6 6 ppmv ML S�It watt, trace cloy moderate yellowish brown aamo <br /> medium stiff <br /> 8 f <br /> 10 I <br /> S-11 29 0 Silt light olive gray <br /> ppmv slightly damp ver, sUf, i <br /> 12 - <br /> 14 <br /> 10 <br /> 1 6 <br /> S-16 16 ppmv pole brown <br /> 18 <br /> 20 <br /> 5-21 24 6 <br /> ppmv light olive gray <br /> (section continues downward) <br /> LOG OF BORING: B-1 PLATE <br /> ARCO Service Station No. 2168 <br /> ApP�jsd Caosystams Inc 441 West Charter Way B-2 <br /> PROJECT NO. 31009-1 Stockton, California <br />