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• Total depth of borings 42-1/2 ft Diameter of borings 8 in Date drilleds 7/16/91 <br /> Casing diameters N/A Lengths N/A Slot size, -N/A <br /> Screen diameter N/A Lengths N/A Material types N/A <br /> Drilling Company,-Wayne Dnllin Co Drillers Rich and Joy <br /> Method Used, Hollow—stem Auger Field Geologists R -Iden <br /> Signature of Registered Professionals <br /> Registration No , 4313 States Calif <br /> DEPTH SAMPLE <br /> BIC USCS <br /> NO A P.I.D. CODE DESCRIPTION WELL <br /> CONST <br /> D <br /> Asphalt gravel base <br /> 2 <br /> 4 <br /> S-6. g D 6 ppmv damp <br /> stiff <br /> a silt fine—grained Banc cork yellowish Drown <br /> 8 <br /> 10 . <br /> S-11 15 7 Silt sligntly damn <br /> ppmv <br /> 12 <br /> 14 <br /> 5-16 15 <br /> 1 6 30ppmv <br /> 18 <br /> 2D <br /> 5-21 23 124 <br /> ppmv Silt dark yellowish brown slightly camp ery stiff <br /> (section continues cownwora) <br /> LOG OF BORING: B-2 PLATE <br /> ARCO Service Station No. 2168 <br /> APAP+@d GQosystams, rn� 441 West Charter Way B-4 <br /> PROJECT NO. 31009-1 Stockton, California <br />