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Drilling Log <br /> ❑❑❑U GROUNDWATER Soil Boring SB-1 <br /> TECHNOLOGY <br /> Project Chevron-Charter way, StOCkon owner Chevron USA Products Company <br /> Location 508 Cnarter way Stockton, CA Prol No 02070 0071 <br /> L" ❑E p Description <br /> a� n U 0 CL U <br /> °1 n E a � tD� a U (Color, Texture, Structure) <br /> 16 O Ci- <br /> x j Trace < 10%, Little 10% to 20%, Some 20% to 35% And 35% to 50% <br /> 24 s6 <br /> -I CL Sandy silty CLAY (cont) <br /> 8 -25 5 (grades sandy} <br /> 26 a70",IX Medium SAND with clayey sand tenses green-gray, moist moderate <br /> hydrocarbon odor <br /> wrs <br /> 28 <br /> 910 <br /> se-1 <br /> 30 <br /> 206 30 1 Clayey silty very tine SAND (30,30 40) moderate to strong hydrocarbon <br /> 9 odor <br /> 12 <br /> 32 ML <br /> 34 Medium SAND green—gray, clean, loose, well sorted, most, moderate <br /> 14 -3355 <br /> Shydrocarbon odor <br /> $ SW <br /> • 36 t2 <br /> 15 <br /> End of boring <br /> 38 <br /> 40 <br /> 42 <br /> 44 <br /> 46 <br /> 48 <br /> 50 <br /> 52 <br /> 5 4 <br /> 56 <br /> 04/12119951tNGV,_Mar93 Page 2 of 2 <br />