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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 0805-14701 BORING NO B-5/MW-3 <br /> • PROJECT NAME ARCO Products Company Service Station No. 2186 PAGE 4 OF 4 <br /> BY D Foley DATE 9j6/95 SURFACE ELEV 14.9 ft. <br /> RECOVERY PID PENETRA- (n LITHO- WELL <br /> TIONjJ _! GRAPHIC DESCRIPTI("LLI <br /> "l DETAIL <br /> LI Lit a COLUMN <br /> (ft/ft) (ppm) (btws/ft) CD t 1 N <br />' 1 511 5 SAND (SW), continued <br /> 51 <br /> 1 <br />' f i SANDY SII.T(ML), brown (10YR, 513), 70% low <br /> plasticity fines, 30% fine-grained sand, <br /> t ( iron-oxide staining over 30% of sample, <br />' 1 5/1 5 65 I manganese-oxide staining over 5% of sample, <br /> hard, wet, no hydrocarbon odor <br /> i <br /> 38 <br />' I <br />' 1 011 5 70 @70' as above, olive gray (5Y, 5/2), 75% low <br /> plasticity fines, 25% tine-grained sand, <br /> 33 iron-oxide staining over 30% of sample, minor <br />' caliche, bard, wet, no hydrocarbon odor <br /> SAND (SP), olive brown (2 5Y, 4/3), 100% <br /> fine-grained sand, trace medium-grained sand, <br />' 07/1 5 loose, wet, no hydrocarbon odor <br /> 9 75 <br />' BORING TE1U111NATED AT 75 0 FEET <br /> 1 <br /> 80 <br />' kEMAkiti <br /> Boring dnlled using 10 inch diameter continuous flight hollow-stem auger drilling equipment and sampled with a <br /> modified California split spoon sampler Boring converted to a 4-inch diameter groundwater monitoring well Sea <br />' Well Details sheet for well completion information <br /> E ON <br />