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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 1 OF 5 <br /> BY C Avila DATE 7/6/95 SURFACE ELEV NA ft <br /> RECOVERY PID PENETRA- N W LITHO- WELL <br /> TION Z)W� F J GRAPHIC DESCRIPTION DETAIL <br /> ��W m COLUMN <br /> (ft/ft) (ppm) (blws/ft) 0—i < <br /> SILT(ML), some fine-grained sand, light brownish <br /> gray, 80% silt, 20% sand, non plastic, dry, no $ <br /> hydrocarbon odor <br /> 15/1 5 00 @4' as above, very stiff, no hydrocarbon odor <br /> 22 5 <br /> 10 <br /> 05/05 00 <br /> SILTY SAND(SM), fine to coarse-grained, Iight <br /> 0 510 5 00 brownish gray, dry, no hydrocarbon odor <br /> SILT(NII..), some fine-grained sand, light brownish <br /> gray, non plastic, no hydrocarbon odor <br /> 0 510 5 00 15- <br /> @ 19' silt, trace clay, light gray, non plastic, <br /> 1 511 5 00 iron-oxide staining, caliche, dry, very stiff, no <br /> zo hydrocarbon odor <br /> REMARKS <br /> Boring dulled using 8-inch diameter continuous flight,hollow-stem auger drilling equipment and sampled with a <br /> modified California split-spoon sampler Boring logged from drill cuttings between the 4 and 19 foot sample intervals <br /> Bonng converted to a 4-inch diameter vapor extraction well See Well Details sheet for well constntcuon information <br /> E ON <br />