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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 0805-142.02 BORING NO. VW-12 <br /> PROJECT NAME ARCO Products Company Service Station No. 760 PAGE 1 OF 3 <br /> BY D. Foley DATE 6/7/95 SURFACE ELEV. —55 ft. <br /> RECOVERY PID PENETRA- N LITHO- <br /> TION JW WELL <br /> W tL Jtl GRAPHIC DESCRIPTION DETAIL <br /> �¢W W� 1:CL <br /> (ft/ft) (Ppm) (b(ws/ft) tJj N <br /> ASPHALT <br /> 0.5!0.5 0.0 FELL,BASEROCK <br /> SILT(NII.,), yellowish brown (10YR, 5/4); 100% low <br /> plasticity fines; dry to damp; no hydrocarbon <br /> odor <br /> 0.5/0.5 0.0 w` <br /> 1.011.5 0.0 5 @5': as above; very stiff; no hydrocarbon odor <br /> 20 <br /> SANDY SILT(NII..), yellowish brown(10YR, 5/4); <br /> 70% low plasticity fines; 30% fine-grained sand; <br /> 10 iron-oxide staining over 15% of sample; dry to <br /> 0.6/1.0 0.0 <br /> 82 damp; hard; no hydrocarbon odor <br /> SILTY SAND(SM), yellowish brown (10YR, 5/4); <br /> 35% low plasticity fines; 65% fine-grained sand; <br /> iron-oxide staining over 30% of sample; damp; <br /> 0.8/0.9 0.0 <br /> 15 very ase; no hydrocarbon odor <br /> 74/0.9 <br /> SANDY SILT(NII.), light yellowish brown(10YR, <br /> 6/4); 80% low plasticity fines; 20% fine-grained <br /> sand; iron-oxide staining over 30% of sample; <br /> damp; very dense; no hydrocarbon odor <br /> 20 <br /> REMARKS <br /> Boring drilled using continuous-flight,hollow-stem auger drilling equipment and sampled with a modified California <br /> split-spoon sampler.Boring converted to a flinch diameter vapor extraction well.See Well Details sheet for well <br /> construction information. <br /> E ON <br />