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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 6/26/45 SURFACE ELEV NA ft. <br /> RECOVERY FID PENETRA- fA LITHO- WELL <br /> TION �� J GRAPHIC DESCRIPTION DETAIL <br /> �Q� ¢ COLUMN <br /> (ft/ft) (ppm) (blws/ft) 0--r N <br /> 05/05 0 0 72/05 SILT(NII.), continued <br /> @40' as above, minor caliche, dry, no <br /> hydrocarbon odor <br /> CLAYEY SII,T(ML), light brownish gray (2 5Y, <br /> 612), 100% low plasticity fines, minor white and <br /> yellow caliche, dry to damp, hard, no <br /> 12115 75 <br /> 45 hydrocarbon odor <br /> 54 <br /> SILT(ML), light brownish gray (2 5Y, 6/2), 100% <br /> low plasticity fines, minor iron-oxide stained root <br /> cavities, dry to damp, hard, no hydrocarbon odor <br /> 1 4/15 50 50 <br /> 53 <br /> SILTY SAND(SAQ, light brownish gray (2 5Y, 6/2), <br /> 40% low plasticity fines, 60% fine-grained sand, <br /> dry to damp, very dense, no hydrocarbon odor <br /> 05105 25 70105 55 <br /> 60 <br /> REMARKS <br /> i' Boring dn)led using 8-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 construction information <br /> E ON <br />