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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 0805-147.01 BORING NO B-6 <br /> PROJECT NAME ARCO Products Company Service Station No. 2186 PAGE 1 OF 2 <br /> BY Dr oley DATE 9/6/95 SURFACE ELEV --15 0 ft <br /> RECOVERY PID PENETRA- to LITHD- WELL <br /> TION yjJ kJ GRAPHIC OESCRiPTION DETAIL <br /> W <br /> �dW Lam. Q COLUMN <br /> (ft/ft) (ppm) (btws/ft) � <br /> 17 ASPHALT <br /> FILL, BASEROCK <br /> SILT(ML), very dark gray (10YR 3/1), 100% low <br /> plasticity fines, damp, no hydrocarbon odor / <br /> 0 4/1 S 01) 0a <br /> 4 5' as above brown to dark brown (IOYR, <br /> 5 / <br /> I 4/3) iron-oxide staining over 35% of sample / <br /> 21 abundant caliche, very stiff damp, no <br /> hydrocarbon odor / <br /> I <br /> 1 0/1 5 00 @9 5' as above, minor caliche, hard, no / <br />' 10 hydrocarbon odor <br /> 63 <br /> 1 0/1 5 00@145'15 yellowish brown (10YR, 5/4), 95% low <br /> plasticity tines, 5% fine sand, iron-oxide staining <br /> 39 over 20% of sample, trace rootlets, hard, no <br /> hydrocarbon odor / <br /> L�19 5 as above, light olive brown (2 5Y, 5/3), / <br /> trace iron-oxide and manganese-oxide staining <br /> 1 5/1 5 00 20 minor root cavities no hydrocarbon odor <br /> kEMAxn5 <br /> Boring drilled at a 45 degree angle using S inch diameter continuous flight hollow-stem auger drilling equipment and <br /> sampled with a modified California split spoon sampler Boring backfilled with neat cement grout <br /> EN ON <br />