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Drilling Log <br /> (� <br /> G ROUNDWATE Soil Boring SB-6 <br /> 0�0 TECHNOLOGY. <br /> Chevron - S. Center. Stockton Owner Chevron USA Products Comoanv <br /> Project Proi.No. 02070 OOoB <br /> Location 139 South Center St. Stockton. CA <br /> C' <br /> C, o 2., N Description <br /> pE ' o no U <br /> (Color, Texture, Structure) <br /> (Uv o_n E o N Trace < 10%, Little 10% to 20%, Some 20% to 35%. And 35% to 50% <br /> v <br /> to m x � <br /> - 24 Sandy Sandy silty CLAY (20,20,60) and clayey sandy SILT (20,20,60): <br /> CL olive-brown, dry to damp, no hydrocarbon odor- <br /> SB-6 <br /> 26 2.2 -26.0' <br /> i <br /> I <br /> 28 `/ <br /> Sandy silty CLAY (10,15,75): brown with black mottling, dry to damp, no <br /> hydrocarbon odor. <br /> 30 sB-s <br /> light brown, dry t <br /> 0.9 -R0' Pebbly clayey SILT (10,20,70): o.damp, crumbly, no <br /> 32 ML <br /> hydrocarbon odor. <br /> Silty CLAY (20,80): green-gray, dry to damp, no hydrocarbon odor. � <br /> - 34 CL <br /> SB-6 End of boring. 11/30/95 <br /> 3 6 0.2 -16.0' <br /> I <br /> I <br /> 38 <br /> 40 <br /> i <br /> 42 <br /> 44 <br /> i <br /> 46 <br /> 48 <br /> I <br /> 50 <br /> 52 <br /> i <br /> f <br /> 1 <br /> k <br /> 54 <br /> 1 <br /> 56 <br /> Page: 2 of 2 <br /> 01/04/1996 6thlog-cec..93 <br />