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❑❑® Drilling Log GROUNDWATER Soil Boring SB--3 <br /> ❑❑❑ TECHNOLOGY <br /> • mpSee Site Map <br /> Protect Chevron-W Ben amrn Holt Stockton Owner Chevron USA Products Company For Boring Location <br /> Location 2945 W Benlamn Holt Dr. Stockton, CA Prot No 02070 0017 <br /> Surface Elev Total Hole Depth 18 5 ft Diameter 6 in COMMENTS <br /> Top of Casing water Level Initial Static <br /> Screen. Dia Length Type/Size -20 from apex of planter in front <br /> entrance <br /> Casing Dia Length Type <br /> Fill Material Neat Cement Rig/Core CME-75/Sp1rt S000n _ <br /> Drill Co SES Inc Method Hallow Stem Aucer/P10 <br /> Driller Mk-- Duffy _ Log By Jason Fedota Date 06/20/94 Permit <br /> Checked By Ed Simons License No RG#4422 <br /> o T "' <br /> v <br /> Description <br /> > t P <br /> m` a Q � x 0 j (n (Color, Texture, Structure) <br /> w m ° MID <br /> in Trace < 10%, Little 10% to 20%, Some 20% to 35%, And 35% to 50% <br /> to (n x D <br /> --2 <br /> 0 Asphalt over base course <br /> 0 0 <br /> Gray clayey sandy SILT (20,35,45) (damp, soft, moderate hydrocarbon <br /> 2 odor) <br /> 4 <br /> 7 SB-3 4 <br /> 6 -5 6 ML <br /> 8 ' <br /> 10 5 S8-3 4 <br /> -10 8 Light gray medium to coarse SAND (subrounded, poorly sorted, dry medium <br /> tz hydrocaron odor) <br /> 12 - sw <br /> 14 Dark gray to orange mottled silky CLAY (40,60) (moist, moderate <br /> 150 58-3 4 hydrocarbon odor) <br /> '6 -15 9 <br /> CL <br /> 17 SB-3 4 Dark brown and gray mottled sandy dilty CLAY (20 30 50) (most slight <br /> ,a -17 6 hydrocarbon odor) <br /> 7i End of boring Backfilled with neat cement <br /> 20 <br /> i <br /> 22 <br /> - 24 - <br /> 07/21/1994 1jtNog-mar9 <br /> 407/21/19941itNog-mar93 Page 1 of I <br />