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r <br /> LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 0805-147.01 BORING NO. B-3/VW-1 <br /> ' PROJECT NAME ARCO Products Company Service Station No. 2186 PAGE 2 OF 4 <br /> BY D. Foley DATE 8/29/95 SURFACE ELEV. —15.0 ft. <br /> ' RECOVERY FID PENETRA- to LITHO- <br /> TION Z) J GRAPHIC DESCRIPTION DETAIL <br /> 0r E COLUMN <br /> ' (ft/ft) (PPM) (blws/ft) C73J <br /> 1.211.5 0 @20'. -as.above; olive gray (5Y, 512); minor <br /> r17 caliche lined root cavities; no hydrocarbon odor <br /> 1 <br /> r25 <br /> 1.2/1.5 11 @25': as above; dark yellowish brown (10YR, <br /> 4/4); damp to moist; slight hydrocarbon odor <br /> 24 <br /> SAND (SP), olive brown (2.5Y, 4/3); 100% <br /> fine-grained sand; medium dense; moist; slight to <br /> 1.4/1.5 84 <br /> 30 moderate hydrocarbon <br /> 1 2' • • � <br /> r1.3/1.5 10 35 <br /> 20 SILT(ML), olive brown (2.5Y, 413); 100% low <br />' plasticity fines; iron-oxide staining over 25% of <br /> sample; minor caliche; very stiff; damp; slight <br />' hydrocarbon odor <br /> 40 <br /> REMARKS <br /> Boring drilled 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 2-inch diameter dual completion vapor extraction well. <br /> See Well Details sheet for well completion information. <br /> LEN <br />