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4 <br /> LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 0805-114.02 BORING NO B26/AS3 <br /> PROJECT NAME ARCO Products Company Service Station No. 2130 PAGE 2 OF 4 <br /> BY D. Foley DATE 8/10/95 SURFACE E1.EV —15 ft. <br /> RECOVERY PID PENETRA- UI LITHO- WELL <br /> TION �jJ LGRAPHIC DESCRIPTION DETAIL <br /> O > t�ii� E COLUMN <br /> (ft/ft) (ppm) (btws/ft) C73J �I U) <br /> SILT(NII.), continued <br /> 30 <br /> 1 311 5 00 25 <br /> 31 SULTY SAND (SM), brown (10YR, 513), 40% low <br /> It <br /> plasticity fines, 60% fine-grained sand, <br /> iron-oxide staining over 60% of sample dense, <br /> damp, no hydrocarbon odor <br /> s <br /> 13/15 0 0 30 @29 5' as above, dark yellowish brown QOYR, <br /> 314), moist, no hydrocarbon odor <br /> 35 CLAYEY SILT(ML), brown (10YR, 5/3), 100% low <br /> plasticity fines, manganese-oxide staining over <br /> 5% of sample, hard, damp, no hydrocarbon odor <br /> SANDY SII.T(NII..), brown to dark brown f 1 OYR, <br /> 413), 70% low plasticity fines, 30% fine-grained <br /> 1 1115 00 35 sand, minor caliche, dense, moist, no hydrocarbon <br /> odor <br /> 37 <br /> SILT(ML), brown (10YR, 5/3), 100% low plasticity <br /> fines, minor iron-oxide lined root cavities. minor <br /> caliche, hard, damp, v^er`y slight hydrocarbon odor <br /> 1 1/15 1 1 5 <br /> 40-4111111 <br /> REMARKS <br /> Bonng drilled using 8-tach diameter continuous-flight,hollow-stem auger drilling equipment and sampled with a <br /> modified California split-spoon sampler Bonng drilled inside existing 12-inch diameter PVC conductor casing Bonng <br /> E§Oconverted to a 2-inch diameter air sparge well See Well Details sheet for well construction information <br /> E ON <br />