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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 0805-147.01 BORING NO, B-7/VW-2 <br /> PROJECT NAME ARCO Products Company Service Station No. 2186 PAGE 2 OF 4 <br /> BY D. Foley DATE 9/7195 SURFACE ELEV. 415.0 ft. <br /> RECOVERY PIQ PETION ' IN LITHe- WELLLtl _1 GRAPHI DESCRIPTION DETAIL <br /> t�ELii� CL COLUMN <br /> (ft/ft) (ppm) (blws/ft) y <br /> 1.111.5 32.0 @20': as above; brown (10YR, 513); iron-oxide <br /> staining over 20% of sample; trace <br /> 19 Manganese-oxide staining; abundant root cavities; <br /> slight Hydrocarbon odor <br /> SANDY SILT(ML), brown (10YR, 513); 7510 low <br /> plasticity fines; 25% fine-grained sand; <br /> iron-oxide staining over 65% of sample; <br /> manganese-oxide staining over 10% of sample; <br /> 1.111.5 46.5 25 minor root cavities; very stiff; moist: slight <br /> hydrocarbon odor <br /> 27 <br /> SAND(SP), very dark grayish brown (2.5Y, 312); <br /> ; 100% line-grained sand; medium dense; damp; <br /> moderate hydrocarbon odor <br /> 1.511,5 80.1 30 ; <br /> 29 <br /> SILTY SAND(SM), olive brown(2.5Y, 413); 30% <br /> tines; 60% Fine to medium-grained sand; 10% <br /> fine to medium-grained gravel; moist; moderate <br /> 1,2/1.5 118.2 <br /> 35 hydrocarbon odor <br /> SILT(NQ.), olive brown (2,5Y, 4/3); 1000 low <br /> 15 plasticity fines; gray staining over 5% of sample; <br /> stiff; moist; moderate hydrocarbon odor <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 2-inch diameter dual completion vapor extraction well. <br /> E001NSee Well Details sheet for well completion information. <br /> E ON <br />