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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 2613-100.001 BORING NO B3R/VW1 <br /> PROJECT NAME Transmission Shop; 515 West Charter Way, Stockton, CA PAGE 2 OF 2 <br /> BY C. Avila DATE 9/26/96 SURFACE ELEV 9.5 ft. <br /> RECOVERY 11111 PENETRA- N LITHO- WELL <br /> TION P—Z> <br /> J GRAPHIC DESCRIPTION DETAIL <br /> tam ¢ COLUMN <br /> (ft/ft) (ppm) (blws/ft) t J ` 1Cn <br /> 15/1 5 1601 SILT some clay, continued <br />' 40 <br /> 1 511 5 1511 25 @25' CLAYEY SILT, light olive gray, low <br /> plasticit% fines, hard, dry, strong hydrocarbon <br /> 43 odor <br /> SILTY SAND (SM), olive gray, very dense, wet, <br /> ' 1 511 5 NM 30 strong hydrocarbon odor <br /> SZ <br /> 52 <br /> 9125195 SANDY SILT(ML), olive gray, damp <br /> 15/1 5 NM 35 @35' as above, very stiff <br /> 19 <br /> 1 <br /> SILTY SAND (SM), fine to coarse grained sand <br /> 40 BORING TERMINATED AT 40 0 FEET <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 converted to a 2-inch diameter duel-completion vapor extraction well <br /> See Well Details sheet for well construction information <br /> E ON <br />