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LOG OF EXPLORATORY BORING <br /> 16 PROJECT NUMBER 0805-147.01 BORING NO. B-8/VW-3 <br /> PROJECT NAME ARCO Products Company Service Station No. 2186 PAGE 3 OF 4 <br /> BY D. Foley DATE 9/7/95 SURFACE ELEV. —15.0 ft. <br /> RECOVERY PID PENETRA- to LITHO- WELL <br /> TION ewjcn <br /> f J GRAPHIC DESCRIPTION DETAIL <br /> PLLj La_t!� ¢ <br /> COLUMN <br />' <br /> (ft/ft) Ippm _j <br /> �+) (blws/ft) [ to <br /> 1.1/1,5 0.4 SILT(hM), continued <br />' 28 <br />' 1.011.5 0.0 45 @45': brown (10YR, 513); iron-oxide staining <br /> over 40% of sample; trace manganese-oxide <br /> 28 staining; damp; no hydrocarbon odor <br /> SANDY SII.T(ML), dark yellowish brown (10YR, <br /> 414); 60% low plasticity fines; 40% fine-grained <br />' sand; very stiff; moist; no hydrocarbon odor <br /> 1.3/1.5 0.0 50 <br />' 19 <br /> SII.TY SAND (SM), olive brown(2.5Y, 4/4); 30% <br /> fines; 70% fine-grained sand; iron-oxide staining <br />' over 20% of sample; trace caliche; medium dense; <br /> 1.311.5 0.0 55 moist; no hydrocarbon odor <br />' 23 <br /> CLAYEY MILT(ML), brown (10YR, 513); 100% low <br />' plasticity fines; iron-oxide staining over 40% of <br /> sample; trace manganese-oxide staining; gray <br /> staining over 5% of sample; hard; damp; no <br /> 60 hydrocarbon odor <br /> REMARKS <br /> Boring drilled using 10-inch diameter continuous-flight,hollow-stem auger drilling equipment and sampled with a <br /> modified California split-spoon sampler. Boring converted to a 2-inch diameter dual completion vapor extraction well. <br /> See Well Details sheet for well completion information. <br /> E ON <br />