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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 0805-147.01 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 8/29195 SURFACE ELEV. 15.9 ft. <br /> RECOVERY FID PENETRA- LLI LITHO_ WELLTl ON �� J MPHf DESCRIPTION DETAIL <br /> BI-- <br /> Z COLUMN <br /> (ft/Ft) (ppm) (blws/ftl t J N <br /> 1.211.5 0.5 CLAYEY SILT(ML), continued <br /> 22 <br /> i <br /> SANDY SILT(ML), yellowish brown 00YR. 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 /> 25 very stiff; damp to moist; no hydrocarbon odor <br /> 1.4/1.5 0 <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 /> SILT(NVQ..), yellowish brown (10YR, 514); 100% low <br /> plasticity fines; minor caliche; very stiff; moist; <br /> 1.011.5 0 35 no hydrocarbon odor <br /> i <br /> I <br /> 30 <br /> i <br /> 40 <br /> REMARKS <br /> Boring <br /> 1 Borng 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 /> Well details sheet for well completion information. <br /> E ON <br />