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Total depth of borings 61-1/2 FeetDlameter of baringiltz1ZLInch Date drilled, 8 18 1992 <br /> Casing diameter, 4 Inch Length, 60 Feet Slot sizes o to Inch <br /> Screen diameter, 4 Inch Length. 20 Feet Material type, Pvc <br /> Drilling Companye Wayne Drilling Co .� Drillers Richard Ja <br /> Method Used, Hollow-stem au er California m=f,ed sort-s000n Field Geologists Claualo Avila <br /> Signature of Registered Professionals <br /> Registration Nos 43139 _ States California <br /> IIEASUR SAiPLE :11111 USCS <br /> DEPTH NO. m P I.D. CODE DESCRIPTION WELL <br /> 'CONST. <br /> 0 i <br /> Asphalt and gravel f i <br /> 2 <br /> '1 <br /> Clayey silt olive Vlocx ary non-plastic <br /> 4 <br /> S-5 15 D <br /> ppmv Ml Silt some clay pale jeilowish brown stiff <br /> 5 • <br /> 8 <br /> 10 S-10 15 <br /> ppmv Clayey silt moderate croon low piaStICIty <br /> 12 <br /> f <br /> i4 { <br /> S-15 14 0 <br /> ppmv Silt some clay, trace fine-grained sand very stiff <br /> 16 <br /> I , <br /> ' I <br /> I � 1 <br /> 11 <br /> �MF"Ak/AM LOG OF BORING: B-13/VW-8 PLATE <br /> ARCO Service Station No. 2730 <br /> 7906 El Dorado Street C37 <br /> PROJECT NO. 30003 oao3c to Stockton, California <br />