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LOG OF EXPLORATORY BURING <br /> PROJECT NUMBER 0805-114.02 BORING NO B28/VW12 ' <br /> PROJECT NAME ARCO Products Company Service Station No. 2130 PAGE 2 OF 4 <br /> BY D. Foley DATE 8/11/95 SURFACE ELEV ,-15 ft. <br /> RECOVERY PID PENETRA- N LLITHO- <br /> TIONNWELL <br /> 4 GRAPklI COLUMN DESCRIPTION DETlIII <br /> a¢� k � <br /> (ft/ft) (ppm) (btws/ft) WWI it N <br /> 09/1 5 00 SILT(ML), continued <br /> @20' as above; brown (10YR, 513), Iron-oxide <br /> 25 staining over 25%' of sample, very stiff, no <br /> hydrocarbon odor <br /> SANDY SIT(NII..), yellowish brown (10YR, 514), <br /> 60% low plasticity fines,40% fine to <br /> 25 medium-grained sand, tron-oxide staining over <br /> 1 2/1 5 00 25% of sample, dense, damp, no hydrocarbon <br /> odor <br /> 31 <br /> SILT(ML), brown(1 OYR, 514), 100% low plasticity <br /> fines, iron-oxide storming over 30% of sample, <br /> hard, damp, no hvdrocarbon odor <br /> 13115 00 <br /> 30 " <br /> 35 '# <br /> 14/15 0 0 35 <br /> CLAYEY SILT(ML), light brownish gray(10YR, <br /> 21 612), 10096 low plasticity fines. manganese-oxide <br /> staining over 5% of sample, very stiff, damp no <br /> hydrocarbon odor <br /> SELT(ML), brown (10YR, 513), 100% low plasticity <br /> fines; iron-oxide stainiitg over 35% of sample, <br /> manganese-oxide staining over 5% of sample, <br /> minor root cavities. minor caliche, very stiff, <br /> r_� it I I I I I damp; no hydrocarbon odor <br /> REMARKS <br /> Boring drilled using 10-inch dtameter comunuous-flight,hollow-stere auger dnihng"prnent and sampled with a <br /> modrf ed Cahforwa split-spoon sampler Ronng converted to a 4-inch A., ter vapor extrumon well See wen <br /> EQAON > s sheet for well construction information <br /> E ON <br />