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Drilling Log <br /> EE <br /> GROUNDWATER Soil Boring SB-5❑ TECHNOLOGY <br /> Project ChevronlStockton Owner Chevron USA Products Cc See Site Map <br /> Location 45 E Hardrn Way, Stockton CAProf. No. 02070 4527 For Boring Location <br /> Surface Elev Total Hole Depth 455 ft Diameter 8 in COMMENTS <br /> Top of Casing Water Level Initial Static <br /> Screen Dia Length Type/Size <br /> Casing lata Length Type <br /> Fill Material Neat Cement Rig/Core CME-55IS ht S oon <br /> Drill Co SES Inc Method Hollow Stem Aager/PID <br /> Driller Morns Peterson Log By Bruce Beale Date 5/9/94 Permit ip 2921 <br /> Checked By Ed Simonis License No. RG#4422 <br /> o a �, o �, Description <br /> o ao <br /> Q u <br /> o-- °-a E s V �_J in (Color, Texture, Structure) <br /> m x M Trace < 10%, Little 10X to 20%. Some 20% to 35%. And 35% to 50% <br /> _2 <br /> 0 <br /> Dirt lot - Dark brown gravel, silt, and clay mixture (moist, no hydrocarbon <br /> odor) <br /> 2 CL <br /> 4 6 <br /> 513-5 is Mottled dark brown and light brown silty CLAY (dry to moist, no <br /> 0 -5 16 hydrocarbon odor) with white calcareous streaks and patches <br /> 6 <br /> CL <br /> 8 <br /> 5 Mottled orange-brown and olive gray silty CLAY (20,80) with black specks <br /> 10 SB-5 18 <br /> 0 -10 22 <br /> CL <br /> 12 <br /> 14Brown silty CLAY (10 90) (moist, no hydrocarbon odor) <br /> 13 <br /> 58-5 14 <br /> 0 -15 17 <br /> 16 CL <br /> 18 <br /> Mottled brown-orange and brownish-gray silty CLAY (40,60) (moist, no <br /> 6 hydrocarbon odor) <br /> 20 se-5 12 <br /> 3 0 -20 16 <br /> CL <br /> 22 <br /> 24CL Mottled orange-brown and olive-gray silty CLAY (20 80) with abundant <br /> 2 root casts (moist, no hydrocarbon odor) <br /> 06/15/1994lithlog-M&23 Page I of 2 <br />