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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 080S-11402 BORING NO B29lYW1l <br /> . PROJECT NAME ARCO Products Company Service Station No. 2130 PAGE V 1 OF 4 <br /> BY D. Foley DATE 8/I1/95 SURFACE ELEV --15 ft. <br /> RECOVERY PED PENETRA- W LITHO- <br /> WELL <br /> N <br /> TION � WELL <br /> DESCRIPTION DETAIL <br /> ¢t? <br /> Mt ic COLUMN <br /> (ft/ft) (ppm) (btws/ftf J cc <br /> N <br /> Boring"cd inside cxisung vault box <br /> CLAY(CL), very dark gray (2 5Y, N3/0), 100% low <br /> /z plasticity fines, damp, no hydrocarbon odor <br /> SILT(ML), dark yellowish brown(10YR, 4/4), 90% <br /> 5 low plasticity fines, 10% fine-grained sand, <br /> L 011 5 0 0 iron-oxide staining over 20% of sample, <br /> manganese-oxide staining over 5% of sample, <br /> 14 very stiff, damp, no hydrocarbon odor <br /> CLAYEY SILT(ML), brown 00YR, 513), 100% low <br /> M plasticity fines, iron-oxide staining over 30% of <br /> `= sample, manganese-oxide staining over 5% of <br /> 12/15 0 0 10 sample, minor root cavities, very stiff, damp, no <br /> hydrocarbon odor <br />� 31 <br /> 1 511 5 00 15 @ 15' as above, no hydrocarbon odor <br /> 24 <br /> SILT(ML), brown(10YR, 5/3), 100% Iow plasticity <br /> fines, iron-oxide staining over 30%of sample, <br /> 20 hard, damp, no hydrocarbon odor <br /> REMARKS <br /> Bonag drilled ustag 10-tilt diameter conunuous-flight,hollow-stern auger dnthng equipment and sampled with a <br /> modified Cabfor=split-spoon sampler Boring converted to a 4-inch diameter vapor extraction well see well <br /> E00NDetails shed for well construction information <br /> E ON <br />