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a <br /> LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 0805-114.02 BORING NO B28/VW12 <br /> PROJECT NAME ARCO Products Company Service Station No 2130 PAGE 1 OF 4 <br /> BY D. Foley DATE 8/11195 SURFACE ELEV —15 ft. <br /> RECOVERY PID PENETRA- to LITHO- WELL <br /> TIONjW _j GRAPHIC DESCRIPTION DETAIL <br /> MCC L�ii� m COLUMN <br /> (ft/ft) (Ppm) Wws/ft) C3� ` Iin <br /> Boring dnlled inside existing vault box <br /> CLAY(CL), very dark gray (2 5Y, N3/0), 100% low <br /> plasticity fines, damp, no hydrocarbon odor <br /> 09115 00 5 <br /> SILT(NII..), brown (10YR, 5/3), 100% low plasticity <br /> 27 fines, very stiff, damp, no hydrocarbon odor <br /> 15115 0 0 10 @10' as above, dark yellowish brown (10YR, <br /> 4/4), no hydrocarbon odor <br /> 18 <br /> 1 5/1 5 00 15 @15' as above, manganese-oxide staining over <br /> 5% of sample, stiff, no hydrocarbon odor <br /> 15 <br /> 20 <br /> REMARKS <br /> Boring dolled using 10-inch diameter continuous-flight,hollow-stem eager dnlhng equipment and sampled with a <br /> modified California split-spoon sampler Bonng converted to a 4-inch diameter vapor extraction well See Well <br /> E001NDetails sheet for well construction information <br /> E ON <br />