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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 0805.114.02 BORING NO B2&fVW12 <br /> PROJECT NAME ARCO Products Company Service Station No. 2130 PAGE 2 OF 4 <br /> BY D. Foley DATE 8111195 SURFACE ELEV --15 ft. <br /> RECOVERY PID PENETRA- 0 LITHO- WELL <br /> TION lir GRAPHIC <br /> GRAPHIC DESCRIPTION DETAIL <br /> a¢LU ¢ COLUMN <br /> (ft/ft) (ppm) (btws/ft) �-1 `' j U) <br /> -6--9—/15 0 0 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 /> i <br /> I <br /> SANDY SILT(ML). yellowish brown (I OYR, 5/4), <br /> 60% low plasticity tines, 40% fine to <br /> 25 medium-grained sand, tron-oxide staining over <br /> 1 211 5 00 25% of sample. dense, damp, no hydrocarbon <br /> odor <br /> 31 <br /> SILT(ML), brown (IOYR, 514), 100% low plasticity <br /> fines, iron-oxide staining over 30% of sample, <br /> It, hard, damp, no hydrocarbon odor <br /> 30 <br /> 1 311 5 00 <br /> f <br /> 35 <br /> 14/15 0 0 35 <br /> CLAYEY SILT(ML), light brownish gray(10YR, <br /> 21 612), 100% low plasticity fines, manganese-oxide <br /> staining over 5% of sample, very stiff, damp, no <br /> hydrocarbon odor <br /> SLLT(ML), brown(10YR, 513), 100% low plasticity <br /> fines, Iron-oxide staining over 350 of sample, <br /> manganese-oxide staining over 5% of sample, <br /> minor root cavities minor caliche, very staff, <br /> 40 damp, no hydrocarbon odor <br /> REMARKS <br /> Boring drilled using 10-inch diameter continuous-flight,hollow-stent auger dnllmg equipment and sampled with a <br /> modified C Jorma spht-spoon Sampler Boring converted to a 4-inch diameter vapor extraction well See well <br /> E00NDetasheet for well construction information <br /> E ON ils <br />