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Total depth of borings 45 ft. Diameter of borings 10 Data drilled, 10/17/91 <br /> Casing diameters 4 in. Lengths e4 ft. Slot sizes 0.050 in. <br /> Screen diameters 4 in. Lengths 20 ft. Material types PVC <br /> Drilling Companys westex Drillers Chris do {.{erk <br /> Method Ussds Hollow—stem Auger Field Geologist, Claudio <br /> Signature of Registered Prolessionals <br /> Registration Nos 4-313 Stales C,:.I,. <br /> SAMPLE 1 USCS <br /> DEPTMj NO. P.I.D. DESCRIPTION Wim' 1 <br /> m CODE I I COli8T. <br /> 4 <br /> i I 2*it trace ciao, light crown to iig =live li <br /> green, sgntlV gams, �•I •� <br /> S—o :L4-3 i ppmv I M� sliant piastiCity, nora, i <br /> b <br /> r1Q S_;0 I5S 0 SM Sandy slit. Fns—ergine❑ sand, reac.sn brown to light clove <br /> pprnv green, slightly domo, hard. <br /> 14 <br /> :_15 JO 0 i Silt some sang, fine—grained sons. readisn brown to iiaht : . <br /> ppmv i olive preen, siightsy comp, vara. <br /> i� � I • <br /> r <br /> 5-20 I I �5 0 S Sonay siit, fine--rained sand, macerate brown, slightly <br /> 2Q ppmv damp, very stiff. <br /> ! I (section continues cownwcira) <br /> �4 <br /> 5Ak1,M LOG OF BORING: B-10/VW-1 PLATE <br /> ARCO Service Station No. 548 <br /> 1612 Hammer Lane 16 <br /> PROJECT NO. 30004-4nLe N°• I Stockton, California <br /> 000409A <br />