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1 <br /> LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 0805-147.01 BORING NO, B-4/MW-2 <br /> 1 PROJECT NAME ARCO Products Company Service Station No. 2186 PAGE 2 OF 4 <br /> BY D. Foley DATE 8/29195 SURFACE ELEV. 15.9 ft. <br /> ' RECOVERY FID PENETRA- <br /> p U) . _J WELL <br /> ta k _J GRAPHIC DESCRIPTION DETAIL. <br /> g¢M � = COLUMN <br /> ' (ft/ft) (ppm) (blws/ft) L7�J to <br /> _F2 1-5 0.5 CLAYEY Sn.T(ML), continued <br /> 22 <br /> ' SANDY SILT(ML), yellowish brown (10YR, 514); <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 /> 1.4/1.5 0 25 very stiff; damp to moist; no hydrocarbon odor <br /> 21 <br /> SAND(SP), olive brown (2.5Y, 413); 100% <br /> fine-grained sand; medium dense; moist; no <br /> 1.011.5 0 <br /> 30 hydrocarbon odor <br /> SILT(ML), 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 /> 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.See <br /> Well Details sheet for well completion information, <br /> E ON <br /> I <br />