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LOG OF EXPLORATORY B(PAING <br /> PROJECT NUMBER 0805-114.02 BORING NO B26tAS3 <br /> PROJECT NAME ARCO Products Company Service Station No. 2130 PAGE 2 OF 4 <br /> BY D. Foley DATE 8/10/95 SURFACE ELEV --15 ft. <br /> RECOVERY PID PENETRA- N LITHO- <br /> T10N C WELL <br /> a GRAPHIC DESCRIPTION DETAIL <br /> ¢w tt� ¢ COLUMN <br /> (ft/ft) (ppm) (btars/ft) _j <br /> SII-T(ML), continued <br /> 30 <br /> 1 3/1 5 00 25 <br /> 31 SILTY SAND (SM), brown GOYR, 5/3), 40% low <br /> plasticity fines. 60% fine-grained sand, <br /> trop-oxide staining over 60% of sample, dense, <br /> damp. no hydrocarbon odor <br /> 1 3/1 5 00 30 @29 5' as above, dark yellowish brown(10YR, <br /> 3/4), 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 SE-T WL), brown to dark brown(10YR, <br /> 4/3). 70% low plasticity fines, 30% fine-grained <br /> 1 1115 00 35 sand_ minor caliche, dense, moist, no hydrocarbon <br /> 37 odor <br /> SILT(N L), brown (10YR, 513), 100% low plasticity <br /> fines, minor iron-oxide lined root cavities, minor <br /> caliche, hard, damp, very slight hydrocarbon odor <br /> 11115 15 <br /> 40 <br /> REMARKS <br /> . Boring drilled using 8-inch diameter continuous-flight,hollow-stem auger dnlhng equipment and sampled with a <br /> modified Cahfornua split-spoon sampler Boring drilled inside existing 12-tach diameter PVC conductor casing Boling <br /> converted to a 2-inch diameter air sparge well See Well Details sheet for well construction information <br /> E ON <br />