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Drilling Log <br /> ❑® GROUNDWATER Soil Boring SB-4 <br /> ❑❑❑ TECHNOLOGY <br /> Project Chevron-W Benjamin Holt, Stockton Owner Chevron USA Products company See Site Map • <br /> 2905 N Benfamin Holt Dr,, Stockton, CA 02070 0017 For Boring Location <br /> Location Proj No <br /> Surface Elev Total Hole Depth 18 5 ft Diameter 6 In COMMENTS <br /> Top of Casing Water Level Initiaq Static <br /> Screen Dia Length Type/Size 8 from phones at the car wash <br /> Casing Dia Length Type <br /> Fill Material Neat Cement Rig/Core CME-75/S2ftt Spoon <br /> Drill Co SES. Inc Method Hipw Stem Auger/PID <br /> Driller Mike Duffy Log By Jason Feta Date 06/20/94 Permit f <br /> Checked By Ed Srmonis Licwse No R1344422 <br /> ~ <br /> U Description <br /> fp <br /> p E ® o 'o t o U <br /> a. a a U 0 a p <br /> 4j— a a E r �� vs (Color, Texture, Structure) <br /> 1p ° tc <br /> cv <br /> m n Trace < 10%. tittle 10% to 20%, Some 20X to 35%, And 3S% to 50% <br /> N k � <br /> -2 <br /> — _0= Asphalt=over°base=course— — <br /> Srown_to_gray mottled_sllty sandy CLAY- (25,25,50)_,(dry,_66-hydrocarbon-- - " -- <br /> 2odor) <br /> 4 <br /> CL <br /> 7 S3-4 5 <br /> $ (saturated cuttings) <br /> 8 Light gray medium to coarse SAND (-90% qtz, moderately sorted. <br /> subrounded, dry, loose, no hydrocarbon odor) <br /> 10 22 58-4 5 <br /> -10 7 <br /> 9 <br /> 12 SW <br /> 14 <br /> 30 S13-4 8 (grades moist, hydrocarbon odor) <br /> 16 -15 12 <br /> 13 <br /> 48 S8-4 2 Brown and gray clayey silty fine SAND (20,30 50) (very moist. <br /> 1g -17 2 SM hydrocarbon odor) <br /> 3 <br /> End of boring Backfilled with neat cement <br /> - 20 - <br /> - 22 - <br /> -24 - <br /> 07/21/1994 <br /> 24 <br /> 07/21/1994 hthiog-mar93 Page I of 1 <br />