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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 D. Foley DATE 9/6195 SURFACE ELEV. —15.0 ft. <br /> RECOVERY PID PENETRA- N LITHO- WELL <br /> TION =W k _J GRAPHIC DESCRIPTION DETAIL <br /> QW ¢ COLUMN <br /> (ft/ft) (Plan) (171ws/ft) —J t N <br /> ASPHALT <br /> FILL, BASEROCK <br /> Su.T(ML), very dark gray (IOYR, 311); 100% low /^ <br /> plasticity fines; damp; no hydrocarbon odor17 <br /> @4,5': as above; grown to dark brown (10YR, <br /> 0.411.5 0.0 , <br /> 5 413); iron-oxide staining over 35% of sample; <br /> 21 abundant caliche; very stiff; damp; no <br /> hydrocarbon odor <br /> 1.011.5 0.0 @9.5': as above; minor caliche; hard; no <br /> 10 hydrocarbon odor <br /> 63 /. <br /> j, <br /> 1.011.5 0.0 Ca14.5': yellowish brown (10YR, 5/4); 95% low /• <br /> 15 <br /> plasticity fines; 5% fine sand; iron-oxide staining <br /> 39 over 20% of sample; trace rootlets; hard; no <br /> hydrocarbon odor <br /> @ 195: as above; light olive brown (2.5Y, 5/3); <br /> trace iron-oxide and manganese-oxide staining; �. <br /> 1.511.5 0.0 �0 minor root cavities; no hydrocarbon odor <br /> REMARKS <br /> Boring drilled at a 45 degree anele using 8-inch diameter continuous-Right,hollow-stem auger drilling equipment and <br /> sampled with a modified California split-spoon sampler.Boring backfilled with neat cement grout. <br /> E ON <br />