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b <br /> Total,depth of boring+ 65 ft. Diameter of boring: 10 in. Date drllledl 10/17/91 <br /> Casing diameter 4 in, Lengtib 64 ft. Slot slzep 0.020 in. <br /> $Oreen dlametere 4 in. Length, 20 ft. Material types PVC <br /> Drilling Company. westex Drillers Chris & Mark <br /> liethOd Usedi Hollow—stem Auger Field Geologist, Claudio <br /> Signature of Registered Professionals <br /> Registration Nos 4313 Stale, Calif. <br /> SAMPLE USCS I WELL <br /> DESCRIPTION <br /> D>�TS NO. m P.I.D. CODE, CONST. <br /> 0 <br /> Asphalt. 1 <br /> I. <br /> 2 Silty saga, reddish brown. <br /> Send some silt. • ' <br /> 4 <br /> 5-5 56 0 ML Silt some clay, biack to light brown, slightly damp, slight <br /> ppmv <br /> 6 plasticity, hard. I. 1 <br /> S-10 18 0 5W Sand, line— to medium—grained• light brown to tight olive <br /> 10 ppmv green, slightly damp, medium dense. <br /> 12 <br /> 14 <br /> S-15 25 0 Moderate brown. <br /> ppmv <br /> 16 - <br /> 18 - <br /> 0 <br /> 6180 Silt, some clay, light brown, slightly damp, slight plasticity, <br /> 20 5-20 40 ppmv ML hard. <br /> (section continues downward) <br /> y <br /> LOO OF BORING: B-9/MW-4 SLATE <br /> _AWAW/V/=S ARCO Service Station No. 548 <br /> 1612 Hammer Lane 13 <br /> PROJECT NO. 30004 4 FU NO. <br /> Stockton, California <br /> 0004DSA <br />