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. Total depth of borings 40 Feet Diameter of boring,8-t 4 Inch Date drilleds 1/13/93 <br /> Casing diameters 4 inch Lengths 29-1/2 Feet Slot sizes 0 10 Inch <br /> Screen diameter, 4 Inch Lengths 20 Feet Material type, PvC <br /> Drilling Companys JCON Drillers Jim John <br /> Method Useds Hollow-stem auger California modified split--spoon Field Geologist, Claudio Avila <br /> Signature of Registered Professionals <br /> Registration No., 4313 State, California <br /> MEASURED SAMPLE 3w WELL <br /> DEPTH NO o P.I.D. USCS DI`SCFilPTION <br /> m CODE <br /> CONST <br /> 0 <br /> Asphalt <br /> 2 <br /> 4 <br /> S-5 26 O Clayev silt moderate yellowish brown cry non olost c <br /> 6 ppmv ML very stiff <br /> 8 <br /> 10 S--10 41 11 <br /> ppmv L ght olive gray <br /> 12 - <br /> 14 — <br /> S-15 <br /> 214S-15 40 PP 3 Dark yellowish brown <br /> 15 <br /> 18 <br /> �AWAWAMAM LOG OF BORING: B-18/VW-6 PLATE <br /> t�llIF/WArme ARCO Service Station No. 2168 <br /> 441 West Charter Way B-39 <br /> PROJECT NO. 31009 1009GjA Stockton, California <br />