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ARSONS ENGINEERING SCIENCE. Sheet 3 of 3 <br /> BORING NUMBER: MW_8 <br /> PROJECT NUMBER: 729801.14000 <br /> PROJECT NAME: <br /> CLIENT: BP Oil Company BP Oil Site Investigation <br /> LOCATION: Applied Aerospace Structures DRILLER: Gregg Drilling j <br /> I <br /> Stockton,California DRILLING METHOD: hollow-stem auger <br /> LOGGED BY: Patrick Johnston HOLE DIAMETER: 8" j <br /> COMPLETION DATE: 6/1/98 TOTAL DEPTH: 65.5 feet <br /> z z <br /> O U c <br /> " j <br /> _j Lu U � o GC] O <br /> o C a' u MONITORING WELL <br /> U GEOLOGIC DESCRIPTION CONSTRUCTION <br /> v c a7 N U U <br /> En <br /> 3 � � 5 I <br /> C7 m tl2/12 size <br /> 60 sand <br /> —; 4" ID <br /> slotted <br /> PVC casing <br /> i I Silty SAND,very wet,loose with golden/ (0.020" slot <br /> I 3 SM mica flakes, IOYR4/2 I ' size) <br /> j 65 4 <br /> ML Sandy SILT,damp to wet,stiff IOYR-4/3 <br /> bottom cap <br /> Bottom of boring 65.5 feet <br /> I <br /> I <br /> i I <br /> i <br /> I <br /> 70 <br /> ! i <br /> i <br /> I <br /> I I <br /> I <br /> 75 <br /> j <br /> I I <br /> 80 <br /> j <br /> i <br /> j <br /> 85 <br /> I <br /> I <br /> 90 <br /> I <br /> I <br /> L - First encountered groundwater. — - Contact location. - Shading indicates percent recovery in sampler. <br /> 1 - Equilibrated groundwater level. ---- - Approximate contact location. NR - Not Recorded Drive sample. <br /> i <br /> 'Sample submitted for laboratory analysis Blow counts are of a 140 Ib.hammer on a 2.5"outside diameter split spoon sampler. ' <br /> I <br /> Bpmw8.cdr <br />