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❑® Drilling Log <br /> ❑0❑ TECHNOLOGYR Soil Boring SB-8 <br /> Project Chevron/Stockton Owner Chevron USA Products Co See Site Map <br /> Location .45E Harding Wayr_Stockton, CA Pro{ No 02070 4527 <br /> For Boring Location <br /> Surface Elev, Total Hole Depth 50 5 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/So1rt Spoon <br /> Drill Co SES, Inc Method Hollow Stem Auger/PID <br /> Driller Morris Peterson Log By Bruce Beale Date 5/10/94 Permit #t 2921 <br /> Checked By Ed Srmonrs License No RG#4422 <br /> � T � <br /> � U °A <br /> tDescription <br /> aw a a U 0 CL cs <br /> 0� °� a E u �°� to (Color, Texture, Structure) <br /> 10 ¢ N <br /> N m x Trace < tOX Little 10% to 20%. Some 20% to 35X, And 35% to SON <br /> Fm <br /> _2 <br /> Dirt lot - mixture of dark brown silty sandy CLAY and GRAVEL (dry to <br /> moist, no hydrocarbon odor) <br /> 2 GC <br /> 4 r <br /> SB-g to Mottled brown, orange, and tan silty CLAY with black specks and root casts <br /> 0 -5 13 <br /> 6 CL <br /> 8 <br /> Brown silty CLAY with black specks and root casts (moist, no hydrocarbon <br /> 7 odor) <br /> i0 <br /> SB-8 10 <br /> 0 -10 15 <br /> 12 <br /> CL <br /> 14 4 <br /> SB-8 8 <br /> 0 -15 12 <br /> 16 (grades with white chalky streaks and patches) <br /> CL <br /> 18 <br /> (grades mottled orange, brown and gray with faint white chalky streaks <br /> 6 and patches <br /> 20 0 56 20 24 ' <br /> . CL <br /> - 22 - <br /> - 24 - <br /> 06/16/1994 <br /> 06/16/1994 hthloa—mar93 Page 1 of 2 <br />