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4 <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 3 OF 5 <br /> BY C. Avila DATE 7/6/95 SURFACE ELEV NA ft. <br /> RECOVERY PID PENETRA- UWLAJ <br /> U) LITHO- WELL <br /> TION _J GRAPHIC DESCRIPTION DETAIL <br /> �¢W COLUMN <br /> (ft/ft) (ppm) (b(ws/ft) Ch�J �..� <br /> 47 SILT(W), continued <br /> 1 511 5 26 @44' as above, no hydrocarbon odor <br /> 39 45 <br /> << <br /> 1 5/1 5 50 @49' as above, slight hydrocarbon odor <br /> 41 50 <br /> SAND(SP), dark yellowish brown, fine-grained, <br /> dry, very dense, strong hydrocarbon odor <br /> 1 511 5 130 <br /> 80 55 <br /> SILT(NII.), grayish brown, non plastic, dry, hard, <br /> slight hydrocarbon odor <br /> 1 5/1 5 95 <br /> 60 <br /> REMARKS - <br /> Boring drilled using 8-tach diameter continuous-flight,hollow-stem auger drilling equipment and sampled with a <br /> modified California spirt-spoon sampler Boring logged from drill cuttings between the 4 and 19 foot sample intervals <br /> EOWN� Bonng converted to a 4-inch diameter vapor extraction well See Well Dcuuts sheet for well construction information <br /> E ON <br />