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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 08OS-114.02 BORING ti0 B291VW11 <br /> t. PROJECT NAME ARCO Products Company Service Station No. 2130 PAGE 4 OF 4 <br /> BY D. Foley DATE 8111195 SURFACE ELEV —Is ft. <br /> RECOVERY PID PENITORA- %c W LITHO_ WELL <br /> k <br /> ZaiL GRAPHIC DESCRIPTION DETAIL <br /> COLUMN <br /> (ft/ft) (prrtl (btws/ft) <br /> 1 511 5 SAND(SP), continued <br /> SILT(ML.), light olive brown (2 5Y, 613). 100% low <br /> 41 plasticity fines, iron-oxide staining over 5% of <br /> sample, manganese-oxide staining over 5% of <br /> sample, hard, wet, strong hydrocarbon odor <br /> SAND(SP), light olive brown (2 5Y, 613), 5% fines, <br /> 95% fine-grained sand, wet, strong hydrocarbon <br /> odor <br /> 65 SILT(ML), yellowish brown (10YR, 514), 100% tow <br /> 1 SIL 5 plasticity fines. iron-oxide staining over 25% of <br /> sample, manganese-oxide staining over 5% of <br /> 21 sample, gray staining over 20% of sample, ver% <br /> stiff, wet, strong hydrocarbon odor <br /> SANDY SQ.T(NII.), olive brown(2 5Y, 413). 80% <br /> low plasticity fines, 20% fine-grained sand, <br /> 1 011'3 manganese-oxide staining over 20% of sample. <br /> very dense, wet, very slight hydrocarbon odor <br /> a <br /> 82/08 70 <br /> BORING TERNUNATED AT 70 1 FEET <br /> 75 <br /> 80 <br /> RE1rtARxs <br /> Boring drilled using 10-inch dwmeter continuous-flight,hollow-stem auger drilling equipment and sampled weds a <br /> rnodrfwd California spht spoon sampler Boring converted to a 4-inch diameter vapor extraction well Sae Well <br /> Dewis sheet for well construction information <br /> rEOON <br />