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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 0805-114.02 BORING NO B28(VW12 <br /> PROJECT NAME ARCO Products Company Service Station No. 2130 PAGE 3 OF 4 <br /> BY D. Foley DATE 8/11/95 SURFACE ELEV —is ft. <br /> RECOVERY PID PENETRA- _ 1U) LITHO- WELL <br /> TION TLU <br /> LLJ � j GRAPHIC DESCRIPTION DETAIL <br /> �¢ i= COLUMN <br /> (ft/ft) (ppm) (lalws/ft) _j � <br /> 12/15 0 0 SILT(MIL), continued <br /> 19 <br /> 09/15 26 9 45 @45' as above, very stiff, slight hydrocarbon <br /> odor <br /> 30 <br /> n <br /> 1 0/1 5 139 50 @50' as above, manganese-oxide staining over <br /> 5%of samp�e;'6a'rd, slight hydrocarbon odor <br /> 67 <br /> i <br /> i <br /> $111195 SANDY SILT(ML), brown (10YR, 5/3), 65% low <br /> = plasticity fines; 35% fine-grained sand, trace <br /> 13/1 5 42.8 r 55 iron-oxide staining, hard; wet, slight hydrocarbon <br /> odor <br /> 57 Xz <br /> 8111/95 <br /> SELT(ML),brown (10YR, 5/3); 90% low plasticity <br /> fines, I0% fine-grained sand; gray staining over <br /> 40% of sample, minor iron-oxide lined root <br /> cavities, bard, wet,slight to moderate <br /> —60 hydrocarbon odor <br /> REMARKS <br /> Boring drilled using to-loch diameter coaunvous-flight hollow-stem auger dniling equipment and sampled with a <br /> modified California split-spoon sampler Boring converted to a 4-mch dnmeter vapor extraction well Sec Wen <br /> Details sheet for wen construmon information <br /> E ON <br />