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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 0805-147,01 BORING NO. B-8/VW-3 <br /> PROJECT NAME ARCO Products Company Service Station No. 2186 PAGE 2 OF 4 <br /> BY D. Foley DATE 917/95 SURFACE ELEV. —1S.0 ft. <br /> RECOVERY PIT} PENETRA- 0C LITHD- <br /> WELL <br /> TION �jW F J GRAPHIC DESCRIPTION DETAIL <br /> IW E COLUMN <br /> (ft/ft) (qpm) (bless/ft) LD _j (n <br /> 1.111.5 0.0 1@20': as above; brown (10YR, 5/3); gray staining <br /> over 5% of sample; damp to moist; no <br /> 17 hydrocarbon odor <br /> SANDY SELT(MI.), brown (10YR, 513); 70% low <br /> plasticity fines; 25% fine-grained sand; <br /> iron-oxide staining over 50% of sample; <br /> manganese-oxide staining over 5% of sample; <br /> 1.011.5 0.0 25 minor root cavities; very stiff; moist; no <br /> hydrocarbon odor <br /> 22 <br /> SAND(SP), olive brown(2.5Y, 413); 100% <br /> fine-grained sand; trace fine to medium-grained <br /> gravel; dense; moist; no hydrocarbon odor <br /> 1.311.5 0.0 30 <br /> 35 <br /> @-32': 10% fine to medium gravel in auger <br /> returns <br /> SANDY SILT(ML), dark yellowish brown (10YR, <br /> 1.2/1.5 0.0 35 414); 70% low plasticity fines; 30% fine-grained <br /> sand; stiff; moist; no hydrocarbon odor <br /> 13 <br /> SILT(ML), olive brown (2.5Y, 4/3); 100% Iow <br /> plasticity fines; iron-oxide staining over 10% of <br /> sample; abundant caliche: very stiff; damp; no <br /> hydrocarbon odor <br /> 40 <br /> RE.MARKS <br /> Boring drilled using 14-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 /> Sae Well Details sheet for well completion information, <br /> E ON <br />