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Drilling rilling Log GROUNDWATER Soil Borin SB-2 <br /> ,10 DDE] TECHNOLOGY 9 <br /> Project Chevron - Tracy Owner Chevron USA Products Co See Site Map <br /> Location 103 west 11th Street Project No 02320 26733 Date drilled 1V02/92 For Bonog Location <br /> Surface Elev Total Hole Depth 1155 ft Diameter 0 67 ft COMMENTS <br /> Top of Casing water Level Initial Static <br /> Screen. Dia Length Type/Size <br /> Casing Dia Length Type <br /> Filter Pack Material Rig/Core Type B-6VSplrt Spoon <br /> Drilling Company Kvrlhauq____ _ Method Hollow Stem Auoer permit # <br /> Driller 20d Furlow Log By Jason Fedota <br /> Checked By Fd Simons License No RG 4422 <br /> y" nE � o ce 0 Description <br /> a" a OL Eay WJ +n (Color. Texture, Structure) <br /> �ymK Trace < 10%, Little 10% to 20%. Some 20X to 35%. And 35% to 50% <br /> —2 <br /> 0 A= S inches asphalt over base course <br /> 2 CL Dark gray to black silty CLAY <br /> 4 <br /> 105 4 Dark gray clayey SILT (30, 70) (damp, soft, strong gasoline odor) <br /> 6 B2-5s <br /> e <br /> ML <br /> 8 <br /> 10 109 $2-105 (Grades wet) <br /> 7 <br /> 10 cL (Grades to silty CLAY (30 70) last 6 inches) <br /> 12 End of boring, backfilled with neat cement <br /> 14 <br /> 18 <br /> 18 <br /> - 20 - <br /> 22 - <br /> - 24 - <br /> .2,109/199Z <br /> 02224.G/09/E=S4 1"I ? _ <br />