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Total depth of borings 65 ft. Diameter of borings 10 in. Date drilleds 1 D/1 8/91 <br /> Casing diameter: 4 -in. Lengths 62.5 ft. Slot sizes 0.020 in. <br /> Screen diameters 4 in. Lengths 20 ft. Material type, PVC <br /> Drilling Compartys westex Drillers Tony & 'Mark <br /> Method Useds Hollow—stern Auger F[old eologist, Claudio <br /> Signature of Registered Professionals <br /> Registration Noe 4313 $ . Calif. <br /> DEPTH SAMPLE o P.LD• USCS DESCRIPTION WELL <br /> NO. CODE CONST. <br /> 0 Asphalt. <br /> Silty sand, fine— to medium—grained sand, reddish brown, I; <br /> 5W slightly damp. <br /> 2 <br /> Sand some silt. <br /> 4 <br /> S-5 ;5 Sand with trace silt, reddish brown, slightly damp, <br /> ppmv medium dense. <br />. i 6 �• <br /> a <br /> 14 S-10 39 pprnv Light reddish brown, dense. <br /> i2 <br /> f• <br /> 14 <br /> p Silty sand• trace clay, fine— to medium—grained sand, <br /> S-15 47 5M <br /> ppmv moderate brown, slightly damp, slight plasticity, dense. <br /> 16 <br /> 1$ ' <br /> 0 Sift some clay, trace fine—grained sand, light olive green, <br /> 20 S-20 39 ppmv ML slighlty damp, slight plasticity, hard. <br /> (section continues downward) <br /> _AWALMAM LOG OF BORING: B-8/MW-3 PLATE <br /> ARCO Service Station No. 548 <br /> 1612 Hammer Lane 10 <br /> RLE NO. Stockton California <br /> PROJECT NO. 30004-4 0004D7A � <br />