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T <br /> i <br /> LOG OF EXPLORATORY BORING <br />. PROJECT NUMBER 0805-152.03 BORING NO VW-20 <br /> PROJECT NAME ARCO Products Company Service Station No. 6100 PAGE 2 OF 5 <br /> BY C. Avila DATE 716195 SURFACE ELEV NA ft. <br /> RECOVERY PID PENETRA- to LITHO_ WELL <br /> u] <br /> TION W J GRAPHIC DESCRIPTION DETAIL <br /> �W traJ�. � COLUMN <br /> (ft/ft) (ppm) (b(ws/ft) [ J `' j C <br /> 31 SILT(ML), continued <br /> 1 511 5 00 @24' as above <br /> 28 25 <br /> 1 511 5 00 @29' SILT, trace fine-grained sand, light gray, <br /> 90% silt, 10% sand, non plastic, dry, hard, no <br /> 62 30 hydrocarbon odor <br /> 1 511 5 00 @34' silt, light gray, non plastic, dry, hard, no <br /> hydrocarbon odor <br /> 68 35 <br /> 1 511 5 00 @39' as above, light grayish brown, non plastic, <br /> — L40- caliche <br />. REMARKS <br /> Boring drilled using 8-inch diameter continuous-flight,hollow-stem auger drilling equipment and sampled with a <br /> modified California split-spoon sampler Boring logged from dell cuttings between the 4 and 19 foot sample intervals <br /> E§OBoring converted to a 4-inch diameter vapor extracuon well See Well Detuls sheet for well constriction information <br /> E ON <br />