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' DrilErng Log <br /> ❑� GROUNDWATER Sol! Boring S8-1 <br /> ��❑ TECHNOLOGY <br /> Project Chevron-W Benjamin Holt, Stockton Owner Chevron USA Products Company See Site Map <br /> ' Location 2805 W Benjamin Holt Dr, Stockton, CA Proi No 02070 0017 For Boring Location <br /> Surface Elev Total Hole Depth 215 ft Diameter 81n COMMENTS <br /> Top of Casing Water Level Initial Static <br /> Screen: Dia Length Type/Size -u ajong planter curb facing-3 of <br /> Casing Ola Length Type corp <br /> Fill Material Meat Cement Rig/Core CME-75/Spirt Spoon <br /> ' Drill Co SES, Inc Method Hollow Stem Auger/PID <br /> Driller M1ke Duffy -_ Log By Jason Fedota Date 06/20/84 Permit <br /> Checked By Ed Srmonls License No R6#4422 <br /> ' C " <br /> Description <br /> Lt•Lt o c - U <br /> � as E m �0 N (Calor, Texture, Structure) <br /> DG) <br /> M o m x Trace < 10%, Little 10% to 20%, Some 20% to 35%. And 35X to 50% <br /> ' -2 <br /> ' 0 Asphalt over dark brown to black clayey gravelly SAND <br /> ' (grades to brown sandy clay, soft, moist, no hydrocarbon odor) <br /> 2 <br /> CL <br /> 4 (grades dark brown gravely CLAY) <br /> 2 SB-1 3 <br /> 6 -5 5 Gray silty fine SAND (damp, no hydrocarbon odor) <br /> ' SM <br /> 8 Light gray medium SAND (speckled black, rounded, moderately to well <br /> ' - -90% quartz) <br /> 10 40 se-1 5 <br /> -10 11 , <br /> 11 SP <br /> 12 ' <br /> 1 14 . • <br /> (grades to silty sand) <br /> SM <br /> ' 200 5B-1 2 Orange brown/gray mottled silty CLAY (40,60) (moist, strong hydrocarbon <br /> 16 6 odor, some root casts and trace sand grains) <br /> ' 18 cL <br /> Orange brown/gray mottled sandy silty CLAY (20,30 50) (very moist, root <br /> 20 2 S13-1 3 casts, slight hydrocarbon odor) <br /> -20 4 <br /> 5 End of boring Backfilled with neat cement <br /> ' 22 <br /> 24 <br /> ' Q7121119941ii:Nog-mar93 Page 1 of 1 <br />