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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 0805.147.81 BORING NO. B-4/MW-2 <br /> PROJECT NAME ARCO Products Company Service Station No. 2186 PAGE 2 OF 4 <br /> BY D. Foley DATE 8/29/95 SURFACE ELEV. 15.9 ft. <br /> RECOVERY FID PENETRA- (0 LITHO- WELL <br /> TIONjn !J GRAPHIC DESCRIPTION DETAIL <br /> aPW L11 CL ¢ COLUMN <br /> (ft/ft) ippm) ibtws/ft) � f <br /> 1.2/1.511 0.5 CLAYEY SILT(MI.), continued <br /> 22 <br /> SANDY SILT(ASD..)_ yellowish brown (l OYR, 5/4); <br /> 80% low plasticity fines; 20% fine-grained sand; <br /> iron-oxide staining over 60% of sample; <br /> manganese-oxide staining over 5% of sample; <br /> 1.411.5 4 <br /> 25 very stiff; damp to moist; no hydrocarbon odor <br /> 21 <br /> . . . . SAND(SP), olive brown (2.5Y, 4(3); 100% <br /> fine-grained sand; medium dense; moist; no <br /> 30 . • hydrocarbon odor <br /> 1.011.5 0 <br /> 27 <br /> o <br /> SQ.T OWL), yellowish brown (10YR, 5/4); 100% low / <br /> plasticity fines; minor caliche; very stiff; moist. <br /> 1.011.5 0 35 no hydrocarbon odor <br /> 30 <br /> 1 <br /> 40 <br /> Boring dKS <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 convened to a 4-inch diameter groundwater monitoring well.Ser <br /> EPONwell Details sheet for well completion information. <br /> E ON <br />