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- LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 0805-147.01 BORING NO B-,2 <br /> PROJECT NAME ARCO Products Company Service Station No. 2185 PAGE 1 OF 2 <br /> BY D. Foley DATE 8/28/95 SURFACE ELEV --15 0 ft <br /> RECOVERY FID PENETRA- 0) LITHO- HELL <br /> TION J -- _J GRAPHIC DESCRIPT30N DETAIL <br /> �a l j tt�� z COLUMN <br /> (ft/ft) (ppm) (btws/ft) <br /> ASPHALT <br /> FILL, BASEROCK17 <br /> / <br /> SILT (ML), brown (10YR, 513), 100% low plasticity / <br /> fines dry, no hydrocarbon odor / <br /> y <br /> I <br /> 1 011 5 0 @4 5' as above, iron-oxide staining over 5% of / <br /> 5 sample, manganese-oxide staining over 30% of <br /> I 53 sample, minor caliche hard, damp, no <br /> hydrocarbon odor <br /> I <br /> l 0/1 5 0 99 5' as above, tri;-.-uxjde staining over 5% of <br />' 10 sample, manganese-oxide staining over 5%Q of <br /> 68 sample, no hydrocarbon odor / <br />' SANDY SILT(ML), dark yellowish brown (10YR, / <br /> 414), 80% low plasticity Fines, 20% fine-grained <br /> sand, manganese-oxide staining over 5% of <br />' sample, hard, damp, no hydrocarbon odor <br /> 1 011 5 0 <br /> 15 /' 42 SILT (ML), dark yellowish brawn (10YR, 414), <br /> 100% low plasticity fines, manganese-oxide <br /> staining over 5% of sample, hard, damp, no / <br /> hydrocarbon odor ` <br />' @ 19 5' as above, olive brown (2 5Y, 414) <br /> iron-oxide staining over 5% of sample, / <br /> manganese-oxide staining over 5%a of sample <br /> / <br /> g a p / <br />' minor caliche, minor root cavities, hard dmip, <br /> no hydrocarbon odor <br /> 1 4I l 5 0 20 Y <br />' KL"A 1KnJ <br /> Boring dniled at a 45 degree angle using 8 inch diameter continuous flight,hollow-stem auger drilling equipment and <br /> sampled with a modified California spht-spoon sampler Boring backfilled with bentonite cement grout <br /> E oN <br />