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1 <br /> LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 0805-147.01 BORING NO. B-5/MW-3 <br /> ' PROJECT NAME ARCO Products Company Service Station No. 2186 PAGE 1 OF 4 <br /> BY D. Foley DATE 916195 SURFACE ELEV. 14.9 ft. <br /> ' RECOVERY PID PENETRA- W LITHO- <br /> TION WELL <br /> W ? 0. GRAPHIC DESCRIPTION DETAIL <br /> CCW iLtl�L E COLUMN <br /> ' (ft/ft) (ppm) (blwslft) tai Cn <br /> __17 ASPHALT } <br /> FILL. 13ASEROCK <br /> 1 SELT(ML), dark brown (10YR, 313); 100% low <br /> plasticity fines; damp; no hydrocarbon odor <br /> @2.5': brown to dark brown (10YR, 413) <br />' 1.311.55 <br /> 0.0 @5': as above; iron-oxide staining over LO°k of <br /> sample; trace manganese-oxide staining; abundant <br /> 32 caliche; very stiff; dry to damp; no hydrocarbon <br /> odor <br /> 1.011.5 0.0 10 @ 10': as above; yellowish brown (10YR, 514); <br /> iron-oxide staining over 30% of sample; <br />' 20 manganese-oxide staining over 5% of sample; <br /> damp; no hydrocarbon odor <br />' 1.311.5 0.0 15 @ 15': as above; trace caliche; no hydrocarbon <br /> odor <br /> 29 <br /> 20 <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 4-inch diameter groundwater monitoring well.Sze <br /> E00NNwell Details sheet for well completion information. <br /> E ON <br />