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r> <br /> Drilling Log <br /> ❑��❑® GROUNDWATER Soil Boring SB-8 <br /> TECHNOLOGY <br /> Protect Chevron/Stockton Owner Chevron USA Products Co <br /> Location 45 E Harding Hay, Stockton CA Proi No 02070 4527 <br /> t^_ o ;, o " °�, M Description <br /> ° '�� <br /> X u N (Color, Texture, Structure) <br /> ° ¢ ai Trace < 10%. Little 10% to 20%. Some 20% to 35%. And 35% to 50% <br /> - 24- <br /> - <br /> 4 Ss-e Mottled orange, brown, and gray silty CLAY (continued) <br /> 0 -25 CL <br /> (grades sandy silt) <br /> - 26 -1Mottled orange, brown and greenish-gray clayey silty fine SAND <br /> 5C (20,30,50) <br /> 128 - <br /> Mottled gray silty CLAY (30,70) and orange brown clayey SILT (10,90) <br /> (most, no hydrocarbon odor) <br /> 30 0 -30-30 <br /> V <br /> - 32 - <br /> 34- <br /> 7 <br /> 234 7 Grades of mottled orange brown clayey SILT (20,80) to (5,95) <br /> 5B-8 9 <br /> 0 -35 12 <br /> 36 ML <br /> - 38 - <br /> - <br /> $ Brown clayey silty fine to coarse SAND (5,10,85) with clay streaks <br /> 12 <br /> 40 SB-B 14 <br /> 0 -40 16 SC <br /> 42 <br /> 44 Mottled orange brown and gray silty CLAY (30,70) <br /> 1z <br /> Se-8 21 <br /> 0 -45 31 <br /> �46 - CL <br /> 48 <br /> Orange brown sandy silty CLAY (20 30,50) (moist to wet, no hydrocarbon <br /> 2 CL odor) <br /> 50 58-8 5 <br /> 0 -49 7 <br /> End of boring <br /> - 52 - <br /> 54 - <br /> 56 - <br /> 25456 <br /> 06/16/1994 hthlog-maw Page 2 of 2 <br />