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Tota! depth of boring, 25 ft Diameter of boring, a in Date drilled, 2/27/92 <br /> Casing diameter: 4 in Length. 24 ft Slot size, 0 10 <br /> Screen diameter, 4 in Length, 24 ft Material type, PVC <br />• Drilling Companyr Wayne Drilling Co Driller, Richard, .fav <br /> Method Ussrd, Hollow—stern Auger A i, F! ld GeolqoIst, Claudia <br /> Signature of Registered Professional. <br /> Registration No., 4313 $it, Calif <br />• <br /> DUTB SAMPLE o P.I.D.• USCS DESCRIPTION <br /> NO. Ed CODE CONST. <br />• Top soil <br /> 0 <br /> CL S;Ity clay, trace fine—grained sand, brown, dry, ' <br /> high plasticity, soft <br /> 2 <br /> 4 <br /> 6 S-6 5 <br /> 0 Silty sand, fine— to medium—grained sand, red brown, <br /> ppmv Sf� dry, loose <br />�• 8 <br /> 10 <br /> S-11 5 11 1500 ML Clayey silt with trace fine— to coarse—grained sand, <br /> ppmv tan, dry, low plasticity, medium stiff <br /> 12 <br /> 14 <br /> 5000+ Clayey silt, with trace coarse—grained sand and fine- <br /> 16 5-16 5 15 ppmv grained gravel, gray green, dry, low plasticity, stiff <br /> 1a <br /> • <br /> (section continues downward) <br /> • rKMMAW,VAn LOO OF BORING,, B-11/VW-3 PLATE <br /> Former Unocal Station No. 2859 <br /> rs�� <br /> 1665 Pacific Avenue 1J <br /> PROJECT NO. 38012-10 gp2JgA Stockton, California <br /> 0 <br />