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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 20805-147.004 BORING NO. B-9/MW-4 <br /> PROJECT NAME ARCO 2186 PAGE 4 OF 4 <br /> BY M Capps ' DATE 10/30/97 SURFACE ELEV. 14.5 ft. <br /> FID Blow Recovery U1 LITHO- WELL <br /> Readings Cbturts tW —J GRAPHIC DESCRIPTION DETAIL <br /> 0¢W tCLt� E COLUMN <br /> (ppm) Ww/ft) (ft/ft) -1 `moi c�r1 <br /> 71 1,4/1.5 SANDY SILT(ML);continued <br /> 60 ft: dark yellowish brown (IOYR, 4/4); 85% <br /> low plasticity fines; 15% fine sated; iron oxide <br /> staining over 30% wet; hard. <br /> SAND(SP); dark brown (1 OYR, 313); .100% fine to <br /> medium sand; wet; very dense; no odor. <br /> 52 1.2/1.5 65 <br /> ;ter: <br /> 78 1.211.5 7043 <br /> 4: <br /> �;..� . <br /> 1.2/1.5 . . <br /> a: <br /> SANDY SILT(ML); brown(10YR, 513); 75% low -101 <br /> 75 plasticity fines; 25% fine sand; wet. <br /> 1- 90 <br /> REMARKS <br /> Boring drilled using 10-inch-diameter.hollow-stem auger drilling equipment and sampled with a modified California <br /> split-spoon sampler.Boring converted to a 4-inch diameter monimritng well. See Well Details sheet for well <br /> construction informadott. <br /> E ON <br />