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h <br /> Total depth of borings 90-1/2 Feet Diameter of boring: 8 Inch Date drills& 6/3/92 <br /> Caaing diameter, 4 Inch Lenglhi 84 Feet Slot slxe, 0 10 Inch <br /> Screen diameters 4 Inch Langthl 40 Feet Msterhd type: PVC <br /> Drilling Company, Woodward Drilling Drivers Eric/Randy <br /> Method Used, Hollow—stem auger. California modified split—spoon Field Geologists Claudio Avila <br /> Signature of Registered Professionals <br /> Registration Nos 43139 State, California <br /> NEASt= SAMPLE oLL <br /> P.I.D.PP.I.D. USCS DESCRIPTION <br /> DEPTH NO. id CODE CONST. <br /> i <br /> 0 <br /> Asphalt and gravel fill <br /> 2 <br /> I ' <br /> 4 <br /> 52 Clayey silt trace coarse—grained sand, grayish olive, <br /> 6 S-5 9 ppmv MI dry low—plasticity, stiff <br /> 8 <br /> 10 <br /> S-10 31 30 Grayish green, hard <br /> i ppmv <br /> 12 <br /> 14 <br /> I 212 Silty sand/fine—grained sand, light olive gray, dry, non—plastic, <br /> 16 5-15 39 ppmv Sm dense <br /> 1$ <br /> I <br /> • PLATE <br /> jWAW,WA,ffA= LOG OF BORING: 8-25/VW-��S—' MARCO Service Station No. 6100 <br /> 25775 South Patterson Pass 15 <br /> FILE NO Tracy, California <br /> PROJECT NO. 30041 0041C9A <br />