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Drilling Log - SB-7 <br /> �• � Soil Boring <br /> GROUNDWATER <br /> T E C H N 0 L 0 G Y See Site Map <br /> Chevron us, Products Comoanv For Boring Location <br /> Project Chevron - S. Center Stockton Owner Proi No 02070088 <br /> Location 139 South Center St.. Stockton. CA Diameter 8 'n COMMENTS: <br /> Total Hole Depth 45_�— <br /> Surface Elev. _� Static 37.3 ft. <br /> Top of Casing >Le Level Initial ---- Type/Size <br /> Length Type <br /> Screen:Dia ---- <br /> Casing:Dia — Length a;g/Core Mobile 9-61/SDlit-500on <br /> Fill Material Neat Cement <br /> Nollok�-Stem Auoer <br /> Drill Co. Creon Drilling Method V29/95 Permit # 7999 <br /> Log By Brian MCAloon Date <br /> Driller Rich p6#4422 <br /> Checked BY <br /> Ed Simons License No. <br /> o N Description <br /> c-_- of d n a ao U (Color. Texture. Structure) <br /> vv o a fi s u 10J Trace < tOX. Little tOX to 20%, Some 20X to 35%. And 35X to SOX <br /> ¢ i� <br /> 1n -�° x <br /> -2 <br /> 0 Asphalt. <br /> Silty CLAY: brown. <br /> 2 CL (grades red) <br /> 4 (grades brown) <br /> 15 <br /> Sandy silty CLAY (20.20.60): brown, dry to damp, no hydrocarbon odor.A6 55-7 <br /> 0.7 -6.5' CL <br /> S Silty CLAY (30.70): brown. dry to damO, '10 hydrocarbon odor. <br /> 10 6 <br /> `5 CL <br /> 58-7 26 <br /> 0 -Its' <br /> 12 Sandy silty CLAY (20.30.50): brown. dry• no hydrocarbon odor. <br /> 14 <br /> _ <br /> t6 CL <br /> 16 — 1se 7 <br /> II 0 I-ss <br /> 1 � 1 i ///�,1•�I 1 <br /> -n <br /> arOtin =ray) <br /> 20 6 I <br /> .I <br /> So-7 15 CL I <br /> 0 -ta5' I <br /> 22 <br /> I �I <br /> 24 Page: 1 0' <br /> I) I I. <br /> z <br /> .'al 0/26/1996 litNo9-aec..8_ <br />