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Drilling Log <br /> ❑® GROUNDWATER Soil Boring SB-4 <br /> l• TECHNOLOGY <br /> Project Chevron-N Benjamin Holt Stockton Owner Chevron USA Products Company See Map <br /> � --- For Boring Location <br /> Location 2905 W Benjamin Holt Dr, Stockton, CA Prol No 02070 0017 <br /> Surface Elev Total Hole Depth 18 5 ft Diameter 6 in COMMENTS <br /> t Top of Casing Water Level Initial Static <br /> # Screen Dia Length Type/Size 8 from phones at the car wash <br /> 3 Casing Dia Length Type <br /> Fill Material Neat Cement Rig/Core CME-T5/Split Spoon <br /> Drill Co SES, Inc _ _ Method Hollow Stem Auger/PID <br /> Driller Mike Duffy Log By Jason Fedota Date 06/20/94 Permit # <br /> Checked By Ed Simonis License No RG04422 <br /> _ � " o Description <br /> r P <br /> �^• � � N p � dl U <br /> a� R a a U v a p <br /> CL a u C� m (Color, Texture, Structure) <br /> �� Trace < 10%. Littie i0% to 20%, Some 20% to 35%, And 35% to 50% <br /> —2 <br /> E <br /> 0 Asphalt over base course <br /> Brown to gray mottled silty sandy CLAY (25,25,50) (dry, no hydrocarbon <br /> t 2 odor) <br /> 4 <br /> CL <br /> 7 SB-4 5 <br /> j B -5 s (saturated cuttings) <br /> 8 Light gray medium to coarse SAND (-90% qtz, moderately sorted, <br /> subrounded, dry, loose, no hydrocarbon odor) <br /> 10 22 SB--4 S <br /> -to 7 <br /> 9 <br /> 12 5w + <br /> 14 <br /> 30 SB--4 6 (grades moist hydrocarbon odor) <br /> ii 1 fi - s i3 <br /> 48 58-4 2 Brown and gray clayey silty fine SAND (20,30 50) (very moist <br /> ,a -ir 2 5M hydrocarbon odor) <br /> 3 <br /> End of boring Backfilled with neat cement <br /> 20 <br /> 22 <br /> 24 <br /> nyr�,iiaa, I PKJ . _A'Q1A Paqe I of I <br />