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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 0805-147.01 BORING NO. B4/MW-2 <br /> PROJECT NAME ARCO Products Company Service Station No. 2186 PAGE 3 OF 4 <br /> BY D. Foley DATE 8129/95 SURFACE ELEV. 15.9 ft. <br /> RECOVERY FID PENITTPA- n W LITHO- WELL <br /> ON <br /> W J GRAPHIC DESCRIPTION DETAIL <br /> t�t_t� cc COLUMN <br /> (ft/ft) (ppm) (btws/ft) cc <br /> 1.0/1.5 0 @40': as above; brown QOYR, 5/3); iron-oxide <br /> staining over 20% of sample; very stiff; damp to <br /> 23 moist; no hydrewarbon odor <br /> 1.2/1.5 0.5 45 @45': as above; yellowish brown (10YR, 5/4); <br /> trace manganese-oxide staining; minor caliche; <br /> 24 very stiff; moist; no hydrocarbon odor <br /> SANDY SILT(ML), dark yellowish brown f IOYR. <br /> 4/4); 75% ic:v plasticity tines. 25% fine-;rained <br /> 1.211-5 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(IOYR. 5/3); 100% low plasticity j. <br /> tines; manganese-azide staining over 5% of <br /> Q 55 sample; minor caliche: minor root cavities; hard; <br /> damp to moist; no hydrocarbon odor <br /> 55 <br /> SANDY SILT(ML), dart:yellowish brown (10YR. <br /> 414); 65% low plasticity fines. 35% tine-grained <br /> sand; manganese-oxide staining over 20% of <br /> 60 sample; hard; very moist; no hydrocarbon odor <br /> RE,MARI{S <br /> Baring drilled using 10-inch 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 groundwater monitoring well.See <br /> EOWN� Wall Details sheet for well completion information, <br /> E ON <br />