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r <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 3 OF 4 <br /> BY D. Foley DATE 8110195 SURFACE ELEV --15 ft. <br /> RECOVERY PTD PENETRA- (n LITHO- WELL <br /> TION w a GRAPHIC DESCRIPTION DETAIL <br /> O¢7 COLUMN <br /> (ft/ft) (ppm) (btws/ft) �3-wi� N <br /> SILT(ML), continued <br /> 34 <br /> 1 011 5 02 45 @44 5' as above, trace medium-grained sand, <br /> manganese-oxide staining over 5% of sample, <br /> 62 hard. slight hydrocarbon odor <br /> i <br /> 10/15 2 3 @w9 5' as above, 100% low plasticity fines, <br /> 50 moist very slight hydrocarbon odor <br /> 72 <br /> /11/9555 <br /> 1 <br /> SII.TY SAND(SM), dark grayish brown (2 5Y, 4/2), <br /> 25% fines, 75%v fine-grained sand, medium dense, <br /> 0 9/1 5 — wet, moderate hydrocarbon odor <br /> 8/10195 SILT(ML), light olive brown (2 5Y, 5/3), 100% low <br /> 24 plasticity fines, manganese-oxide staining over <br /> 5% of sample, abundant caliche, moist, very stiff, <br /> slight hydrocarbon odor <br /> 60 <br /> REMARKS <br /> Boring dolled using 8-inch diameter continuous-flight,hollow-stem auger drilling equipment and sampled with a <br /> modified California split-spoon sampler Boring drilled inside cxisung 12-inch diameter PVC conductor casing Bonng <br /> converted to a 2-inch diameter air sparge well See Well Details sheet for well construction information <br /> E ON <br />