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ey <br /> 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- N LITHO- WELL <br /> TION W _ -1 GRAPHIC DESCRIPTION DETAIL <br /> ¢W t � <br /> iCOLUMN <br /> (ft/ft) (ppm) (blws/ft) <br /> 78 SILT(NII..), some clay, continued <br /> 1 511 5 00 @44' as above, no hydrocarbon odor <br /> 54 45 <br /> 1 5/1 5 54 @49' SILT, some clay, non plastic, caliche, no <br /> hydrocarbon odor <br /> 35 50 <br /> 1 511 5 22 954' as above, very stiff, no hydrocarbon odor <br /> 30 55 <br /> 1 511 5 65 @59' SILT, some sand, fine-grained, 70% silt, <br /> 6(). 30% sand, dry, hard, moderate hydrocarbon odor <br /> REMARKS <br /> Baring drilled using 9-inch diameter continuous-flight,hollow-stem auger dnIhng equipment and sampled with it <br /> modified California split-spoon sampler Boring converted to a 4-inch diameter vapor extraction well See Well Details <br /> sheet for well construction information <br /> EOOINS <br />