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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 08OS-114.02 BORING NO B28/VW12 <br /> PROJECT NAME ARCO Products Company Service Station No. 2130 PAGE 1 OF 4 <br /> BY D. Foley DATE 8111/95 SURFACE ELEV —15 ft. <br /> RECOVERY Pit) PENETRA- to LITHO- <br /> WELL <br /> rh �i... <br /> T; t! �3� iL GRAPHIC DESCRIPTION DETAIL <br /> �¢y lug <r COLUMN <br /> (ft/ft) (ppm) (b(ws/ft) P9 <br /> Boring drdW inside existing vault box <br /> CLAY(CL), very dark gray(2 5Y, N3/0), 100% Iow <br /> plasticity fines, damp, no hydrocarbon odor <br /> 0 9/1 5 00 5 <br /> SQ.T(ML), brown (10YR, 513), 100% low plasticity <br /> 27 fines, very stiff, damp, no hydrocarbon odor <br /> Fn <br /> i r"19 W <br /> 1 511 5 00 10 @ 10' as above, dark yellowish brown(10YR, <br /> 414), no hydrocarbon odor <br /> 18 <br /> 1 511 5 00 15 @ 15' as above, manganese-oxide staining over <br /> 5% of sample, stiff, no hydrocarbon odor <br /> 15 <br /> 111 - 11 <br /> 20 <br /> REMAR S <br /> Bonng drilled using 10-melt 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 <br /> Details sheet for well constrmcuon information <br /> E ON <br />