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r <br /> LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 0805-146.04 BORING NO VW-9 <br /> PROJECT NAME ARCO Products Company; ARCO Station No. 2168 PAGE 1 OF 2 <br /> BY D. Foley DATE 5/12/95 SURFACE ELEV —11 ft. <br /> RECOVERY PID PENETRA- of LITHO- WELL <br /> Cn ?� <br /> TION ; k GRAPHIC DESCRIPTION DETAIL <br /> �,¢ lE W CL COLUMN <br /> (ft/ft) (ppm) (blws/ft) Wuj it � <br /> r <br /> 0 510 5 411 ASPHALT <br />' FILL, BASEROCK <br /> FILL, SANDY SILT <br /> r 0 5/0 5 172 SILT(ML), very dark gray QOYR, 311), 95% low <br /> plasticity fines, 5% fine-grained sand, <br /> manganese-oxide staining over 5% of sample, <br /> damp, slight to moderate hydrocarbon odor <br /> 1 011 5 662 5 @5' damp, stiff, slight to moderate hydrocarbon <br /> odor <br /> 13 <br /> SILTY SAND(SM), brown (10YR, 513), 80% low <br /> plasticity fines, 20% fine-grained sand, <br /> r iron-oxide staining over 5% of sample, <br /> 10 manganese-oxide staining over 5% of sample, <br /> 09/1 5 417 caliche over 20% of sample, medium dense, <br /> damp, moderate hydrocarbon odor <br /> 24 <br /> SELT(ML), brown(10YR, 513), 90% low plasticity <br /> fines, 10% fine-grained sand, Honor caliche <br /> seams, hard, damp, moderate hydrocarbon odor <br /> r1 1115 856 15 <br /> r33 <br /> 1 <br />' <br /> 20-4ft, <br /> REMARM <br /> Bonng drill using aootinuous-flight,hollow-stem auger drilling equipment and sampled with a modified California <br /> split-spoon sampler Bonng convertedto a 4-inch diameter vapor extraction well See Well Details sheet for well <br /> Consunctioninformaaon <br /> E ON <br /> i <br />