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Nape Sao, <br /> 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 8/29/95 SURFACE ELEV. 1S.9 ft. <br /> RECOVERY FID PETNA w LiTHO- WELL <br /> IOW F J GRAPHIC OESCRIPTION OETA! <br /> �� tail. z COLUMN <br /> (ft/ft) (pprn) (blws/ft) rD73J '-'� <br /> 1.011.5 0 @40': as above; brown(10YR, 513); iron-oxide <br /> staining over 20% of sample; very stiff; damp to <br /> 23 moist; no hydrocarbon odor <br /> 1.211.5 0.5 45 05 45': as above; yellowish brown (10YR, 514); <br /> trace manganese-oxide staining; minor caliche; <br /> 24 very stiff; moist, no hydrocarbon odor <br /> SANDY SMT(ML), dark yellowish brown (IOYR, <br /> 4/4); 75% :ow plasticity fines. 25% fine-grained <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(NIX,,), brown 00YR. 5/3); 100% low plasticity <br /> tines; manganese-oxide staining over 5% of <br /> 1.511.5 Q 55 sample; minor caliche; minor root cavities; hard; _ <br /> damp to moist; no hydrocarbon odor <br /> 55 <br /> SANDY SILT(M1.), dark yellowish brown (10YR. <br /> 414); 65% low plasticity fines; 35% fine-grained <br /> sand; manganese-oxide staining over 20% of <br /> sample; hard; very moist; no hydrocarbon odor <br /> REMARKS <br /> Baring drilled using 10-inch diameter continuous-night,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 /> Well Details sheet for well completion information. <br /> E ON <br />