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I <br /> LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 0805-147.01 BORING NO B-4/MW-2 <br /> PROJECT NAME ARCO Products Company Service Station No 2186 PAGE 3 OF 4 <br /> BY D Foley DATE 8/29/95 SURFACE ELEV 15.9 ft <br /> RECOVERY FIO PENETRA- W LITHO- WELL <br />' TION �W C _j GRAPHIC DESCRIPTION DETAIL <br /> OL <br /> L, it ¢ COLUMN <br /> (ft/ft) (ppm) (btws/ft} t � it <br /> 10/15 0 @40' as above, brown (IOYR, 5/3), tron-oxide <br /> staining over 2017 of sample, very stiff, damp to <br /> 23 moist, no hydrocarbon odor <br /> 12/1 5 0 5 45 @45' as above, yeflowish brown (tOYR, 5/4), <br /> trace manganese-oxide staining, minor caliche, <br /> 24 very stiff, moist, no hvdrocarbon odor <br /> • SANDY SILT(ML), dark yellowish brown (1 OYR <br /> 4/4), 75'­ lox plasticity tines, 25% fine-grained <br /> 1 2/1 5 0 50 sand, trace medium to coarse-grained sand, <br /> iron-oxide staining over 60% of sample, <br /> 19 manganese-oxide staining over 5% of sample, <br /> very stiff, very moist, no hydrocarbon odor <br /> SILT(ML), brown (10YR, 5/3), 100% low plasticity <br /> fines, manganese-oxide staining over 5% of <br />' 1 511 5 0 55 sample, minor caliche minor root cavities, turd, <br /> damp to moist, no hydrocarbon odor <br /> 55 <br /> SANDY SILT(MIL) dark �ullon ish broil n (I OYR <br />' 4/4), 65% low plasticity fines, 35% fine-grained <br /> sand, manganese-oxide staining over 20% of <br /> 60 sample, hard, very moist, no hydrocarbon odor <br /> KL.v1AK&,b <br /> Boring drilled using 10-inch diameter continuous flight hollow stem auger dnlltng equipment and sampled with a <br /> modified California split-spoon sampler Boring converted to a 4-tach diameter groundwater monitoring well See <br /> Well Details sheet for well completion information <br /> EN ON <br /> 1 <br />