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1 <br /> 1 <br /> Drilling Log <br /> ❑❑❑® GROUNDWATER Soil Boring SB--9 <br /> TECHNOLOGY <br /> i Chevron/Stockton Chevron USA Products Co See Site Map <br /> Prosect Owner <br /> Location 45 E Harding Way, Stockton, CA Proi No 02070 4527 For Boring Location <br /> Surface Elev Total Hole Depth 495 ft Diameter 8!n COMMENTS <br /> Top of Casing Water Level Initial Static <br /> Screen Dia Length Type/Size <br /> Casing Dia Length Type <br /> Fill Material Neat Cement Rig/Core CME-55/S�lrt Spoon <br /> Drill Co SES Inc Method Hollow Stem Auger/PID <br /> Driller Morris Peterson Log By Bruce Seale Date 5110/94 Permit r 2921 <br /> Checked By Ed Simonrs License No RG#4422 <br /> � r � <br /> o ; `u o <br /> t Description <br /> C) W o p d U <br /> QL= ►,Q U t1 a O <br /> 0-- to (Color. Texture, Structure) <br /> IL N m K 0 is Trace < 10%, Little 10% to 20%. Some 20% to 35%. And 3SX to SOX <br /> _2 <br /> 0 Dirt lot - Dark brown silty sandy CLAY (moist, no hydrocarbon odor) <br /> 2 CL <br /> 4 7 <br /> 0 55- 8 1g Mottled dark brown and gray silty CLAY with black specks (moist, no <br /> 6 hydrocarbon odor) <br /> CL <br /> 8 <br /> SB-9 9 Brown silty CLAY (20,80) (moist, no hydrocarbon odor) <br /> 10 a -10 12 <br /> CL <br /> 12 <br /> 14Brown clayey SILT (20 80) (most, no hydrocarbon odor) <br /> i 15 <br /> SB-9 22 <br /> 0 -15 30 <br /> 1E ML <br /> 18 (grades sandy) <br /> 5 <br /> 20 p -209 g Orange-brown clayey SAND (10,90) with clay streaks (moist, no <br /> hydrocarbon odor) <br /> 5C <br /> 22 (grades gravelly) <br /> GC <br /> 24 10 Brown clayey sandy GRAVEL (20,40,40) (moist, no hydrocarbon odor) <br /> 06/16/1994 htnlog-mar93 Page I of 2 <br />