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Total depth of borinlp 30 Feet Diameter of borings 10 Inch Date drilled, 8/31/92 <br /> Casing diameter: 4 Inch Length, 30 Feet Slot size, 0 10 <br /> Screen diameter, 4 Inch Length, 15 Feet Material type. PVC <br /> Drilling Company: Wayne Drilling- Co DrilleriRchord/Jay <br /> Method Usedi Hollow—stem auger, California modified split—spoon Field Geologists Claudio Avila <br /> Signature of Registered Professionals <br /> Registration Nos 43139 States California <br /> MEASURED SAMPLE NO oLL <br /> P.I.D.PP.I.D. USCS DESCRIPTION <br /> BOTH NO. a CODE CONST. <br /> 0 <br /> Asphalt and gravel fill <br /> 2 <br /> 4 <br /> S-5 7 ppmv ML Silt some clay grayish brown low plasticity medium stiff <br /> 6 <br /> 8 <br /> 10 - 5-10 7 ppmv Moderate brown <br /> 12 <br /> 14 <br /> 16 S-15 12 ppmv Silt trace—fine—grained sand, non—plastic, stiff <br /> 18 <br /> �-"Akffs LOG OF BORING: B-11/VW-3 PLATE <br /> Fire Engine Company No. 2 <br /> 110 West Sonora Street 8 <br /> PROJECT NO. 38008RLE Na Stockton, California <br /> 8009ESA <br />