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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 0805-152.03 BORING NO VW-18 <br /> PROJECT NAME ARCO Products Company Service Station No. 6100 PAGE 3 OF 4 <br /> BY D. Foley DATE 6/26195 SURFACE ELEV NA ft. <br /> RECOVERY FID PENETRA- - <br /> u1 LITHO- WELL <br /> TION w rT"yL.L:MJ GRAPHIC DESCRIPTION DETAIL <br /> QW ta,� COLUMN <br /> (ft/ft) (ppm) (Mws/ft) <br /> 05/05 0 0 72/05 SILT(NII.), continued <br /> @40' as above, minor caliche, dry, no <br /> hydrocarbon odor <br /> CLAYEY SELT(NII.), light brownish gray (2 5Y, <br /> 612), 100% low plasticity fines, minor white and <br /> yellow caliche, dry to damp, hard, no <br /> 12/I5 75 <br /> 45 hydrocarbon odor <br /> 54 <br /> SILT(NII.), light brownish gray(2 5Y, 6/2), 1000 <br /> low plasticity fines. minor iron-oxide stained root <br /> cavities, dry to damp,hard, no hydrocarbon odor <br /> 14/15 50 50 <br /> 53 <br /> SILTY SAND (SNO, light brownish gray (2 5Y, 612), <br /> 40% low plasticity fines, 60% fine-grained sand, <br /> dry to damp, very dense, no hydrocarbon odor <br /> 05/05 25 70/05 55 <br /> 60 <br /> Bonng dialled using 9-inch diameter continuous-flight,hollow-stem auger drilling equipment and sampled with a <br /> modified California split-spoon sampler Boring converted to a 4-inch diameter vapor extraction well See Well Details <br /> sheet for well con=cuon information <br /> LE <br />