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.l <br /> Drilling Log <br /> EE <br /> GROUNDWATER Soil Borin SB-4 <br /> TECHNOLOGY 9 <br /> Protect Chevron/Stockton Owner Chevron USA Products Co See Site Map <br /> Location 45 F Harding wax Stockton, CA„ Prof No 02070 4527 For Boring Location <br /> Surface Elev Total Hole Depth 45 5 ft Diameter 8 to 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-55Z201't Soon <br /> Drill Co _SES, Inc Method Hollow Stem Au WPIQ <br /> Driller Morns Peterson Log By Bruce Beale Date 518194 Permit 1N 2321 <br /> Checked By Ed Stmonts License No RG#4422 <br /> o C <br /> a� OQ11, o o atm �; Description <br /> n U o <br /> v" d a o �� u (Color, Texture, Structure) <br /> N m x ? Trace < 10%, Little 40% to 20%. Some 20% to 35%, And 35% to SOX <br /> -2 <br /> 0 <br /> Dirt lot - Mixture of light brown silt, sand and gravel (moist, plastic, no <br /> GC hydrocarbon odor) <br /> 2 (grades darker brown) <br /> 4 15 Orange-brown silty CLAY with whittish chalky streaks (moist, no <br /> 58-4 15 hydrocarbon odor) <br /> 1 -5 15 CL <br /> 6 <br /> 8 <br /> Grayish-brown silty CLAY with black specks and root casts (<imm) (moist, <br /> 9 no hydrocarbon odor) <br /> �� S13-4 16 <br /> o -10 24 <br /> CL <br /> 12 <br /> 14 19 <br /> 56-4 37 Mottled tan and brown silty CLAY with black specks and abundant white <br /> 0 -15 45 coated root casts (moist no hydrocarbon odor) <br /> i6 CL <br /> 18 <br /> Brown-orange clayey SILT (20,80) (moist, no hydrocarbon odor) <br /> 5 <br /> 20 56-4 13 <br /> 0 -20 15 ML <br /> 22 <br /> Olive gray sandy silty CLAY (20 20,60) with black specks and patches <br /> CL (moist to very moist no hydrocarbon odor) <br /> 24 - <br /> 06/16/1994 <br /> 4 06/16/1994 hthlog-rnar93 Page I of 2 <br />