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I <br /> I <br /> LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 0805.147.01 BORING NO. B4VVW-3 <br /> PROJECT NAME ARCO Products Company Service Station No. 2186 PAGE 1 OF 4 <br /> BY D. Foley DATE 917195 SURFACE ELEV. --15.0 ft. <br /> RECOVERY PIO PENETRA- N LITHO- WELL <br /> TION jN J r ORAPH11 DESCRIPTION RETAIL <br /> PW t�s ¢ COLUMN <br /> (ft/ft) (ppm) fbtws/ft} <br /> ASPHALT <br /> FILL, BASEROCK <br /> SILT(ML), brown (10YR, 513); 100% low plasticity <br /> fines; damp; no hydrocarbon odor <br /> 1.011.5 0.0 5 @5': as above; dark yeilowish brown GOYR, <br /> 414); very stiff; no hydrocarbon odor <br /> 17 <br /> 1.011.5 0.4 10 @10'. as above; yellowish brown (10YR, 514); <br /> iron-oxide staining over 25% of sample; trace <br /> 32 manganese-oxide staining; minor caliche; no <br /> hydrocarbon odor <br /> 1.0/1.5 0.0 15 15': as above; 10% fine-grained sand; no <br /> hydrocarbon odor <br /> 24 <br /> 20 <br /> REMARKS <br /> Boring drilled using lO-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 /> EOOIN� See Well Details sheet for well completion information. <br /> E ON <br />