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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 0805-152.03 BORING NO VW-19 <br /> . PROJECT NAME ARCO Products Company Service Station No. 6100 PAGE 3 OF 5 <br /> BY C Avila DATE 7/5/95 SURFACE ELEV NA ft <br /> RECOVERY PID PENETRA- to LITHO <br /> WELL <br /> TION ��W k 4 GRAPHIC DESCRIPTION DETAIL <br /> WIm j z COLUMN <br /> (ft/ft) (ppm) (b(ws/ft) 't �--I t � <br /> 78 SILT(MI.), some clay, continued <br /> 1 511 5 00 944' as above, no hydrocarbon odor <br /> 54 45 <br /> 1 511 5 54 @49' SILT, some clay, non plastic, caliche, no <br /> 35 SO hydrocarbon odor <br /> 1 5/15 22 @54' as above, very stiff, no hydrocarbon odor <br /> 30 55 <br /> 1 511 5 65 @59' SILT, some sand, fine-grained, 70% silt, <br /> 60 30% sand, dry, hard, moderate hydrocarbon odor <br /> REMARKS <br /> . Boring drilled using 8-inch diameter continuous-flight,hollow-stem auger drilling equipment and sampled with a <br /> modified California spht-spoon sampler Boring converted to a 4-inch diameter vapor extraction well See Well Details <br /> sheet for well construction information <br /> E ON <br />