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• <br /> Total depth of borlr"p 53 ft Diameter of borings 8 in Data drllledii 2/26Z92 <br /> Casing diameter, 2 in Lengtle 51 ft Slot siz+o@ 0 02 <br /> . Screen diameters 2 in Length: 27 ft Material type: PVC <br />• Drilling Company: Wayne Drilling Co Drillers Richard <br /> Method Usedi Hollow—stem Auger FI Id Q I glst, Justin Power <br /> Signature of Registered Professional, <br /> Registration Nos 4313 S lei Calif <br />• <br /> DEATH SAMPLE P.I.D. USGS DESCRIPTION IAfELL <br /> NO. ild CODE CONST. <br /> • Top soil <br /> 0 <br /> CL Silty clay, trace fine--grained sand, brown, dry, <br /> high plasticity, soft <br /> 2 <br /> 4 <br /> 0 Silty sand, fine— to medium—grained sand, red brown, <br /> 6 S-6 5 3 ppmv SM dry loose <br /> 14 <br /> S-11 5 11 1500 Mb Clayey silt with trace fine— to coarse--grained sand, <br /> ppmv ton, dry, low plasticity, medium stiff <br /> • 12 <br /> 14 <br /> 5000+ Clayey silt, with trace coarse—grained sand and fine— <br /> • 1 6 -5-155 15 ppmv grained gravel, gray green, dry, law plasticity, stiff <br /> 18 <br /> • <br /> (section continues downward) <br /> • An LOG OF BORING B-10/VW-2 PLATE <br /> �...� dnx� <br /> i��/ Former Unocal Station No. 2859 <br /> 0 1665 Pacific Avenue 12 <br /> PROJECT NO. 36012-10 802JBA Stockton, California <br /> • <br />