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Drilling Log <br /> GROUNDWATER'-'' N../ Soil Boring SB-2 <br /> 0�❑ <br /> TECHNOLOGY <br /> Proiect Chevron-S. Center, Stockton Owner Chevron <br /> Location 139 South Center, Sfc ckton, CA Prof.No. 02070 5039 <br /> C3OE a) <br /> ` a Description <br /> m� a s E 3 m �_j to (Color, Texture, Structure) <br /> o`er is X j Trace < 10%. Little 10% to 20%. Some 20% to 35%. And 35% to 50% <br /> 24 4 / Olive brown sandy silty CLAY (cont.) <br /> SB-2 5 <br /> 0 -25' 14 <br /> e' <br /> 26 CL <br /> k8 — <br /> Brownish gray Clayey silty sandy.CLAY (20,40,40) (moist, no hydrocarbon <br /> 6odor) <br /> 30 se-2 10 <br /> CL <br /> 0 -30' 11 <br /> 32 Gray clayey SAND (30,70) (very moist, no hydrocarbon odor) <br /> 34 s i <br /> sB-2 10 : SC <br /> 1.0 -35' 16 <br /> 36 - <br /> - 38 — Bluish gray sandy clayey SILT (10,40,50) (moist to wet, degraded <br /> hydrocarbon odor) <br /> Y <br /> SB-2 j I MLT Encountered Water, 05/12/94, 1505. <br /> 40 8.0 -40' <br /> End of boring. <br /> -42- <br /> -44- <br /> 46- <br /> -48- <br /> -50 - <br /> - 52 - <br /> -54- <br /> - 56 <br /> 24446 48 505254 56 <br /> 06/09/1994 Gthlog-m&93 Page: 2 of 2 <br />