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--�� Drilling Log <br /> GROUNDWATER <br /> --i�-J❑ TECHNOLO- Y Soil Boring SB-5 <br /> . Project Chevron-S: Center. w:, Ckton Owner .7hevron See Site Map <br /> 138 South Center S --kion CA 0?070 5038 For Boring Location <br /> Location Proj. Na. <br /> Surface Blev, Total Hale Depth 25.5 ft. Diameter COMMENTS' <br /> Top of Casing water Level Initial Static <br /> Screen: Dia Length Type/Size <br /> Casing: Dia Lengih Type <br /> Fill Material Rip/Core CML'-551S !rf Soon <br /> Drip Co. SES, Inc- Method Hollow Stem Auaer/PID <br /> Driller Morris Peterson Log By Bruce Beale Date 05/13184 Permit # <br /> Checked By Ed Simonis License No. RG#4422 <br /> .. c <br /> aw oQ ,z a -'- m Description <br /> 10 <br /> o" a a m J_J u} (Color, Texture, Structure) <br /> tn m° x '� a 'trace < 10%, Little 10% to 20%. Some 20% to 35%. And 35% to S0% <br /> -2 <br /> 8" concrete over 10" pea gravel <br /> Brown gravelly silty sandy CLAY (10,20.20,80) with chunks of wood, and <br /> 2 bone (moist, no hydrocarbon odor) <br /> X CL <br /> i <br /> 4 <br /> SB-5 3 V (grades without gravel) <br /> CL <br /> Brown CLAY with rust-orange specks (moist, no hydrocarbon odor) <br /> 8 <br /> 'O SB-5 16 �; <br /> -10' 20 1 <br /> 12 <br /> r <br /> 14 IY CL <br /> s <br /> 58-5 19 <br /> -15' 24 � <br /> 16 <br /> 18 �> <br /> 4 Brown sil,y CLAY (20,90) (most, no hydrocarbon odor) <br /> - 20 - 5a-5 7 <br /> -20' 9 <br /> � 22 �; CL <br /> 24 6 ! / <br /> 06/09/1994 hthlog-mato Page: 1 of 2 <br />