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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 2613-100 001 BORING NO B211 <br /> 16 PROJECT NAME Transmission Shop; 515 West Charter Way, Stockton, CA PAGE 2 OF 3 <br />' BY C. Avila DATE 9118196 SURFACE ELEV —9.5 ft. <br /> RECOVERY PID PENETRA- N U) LITHO- WELL <br /> TION jJ I GRAPHIC DESCRIPTION DETAIL <br /> � Uj <br /> ¢�? CL 'M COLUMN <br /> (ft/ft) (ppm) Wwslft) <br />' 30 SILT some clay, continued <br /> 1 511 5 921 <br /> ' 28 25 @25' CLAYEY SILT, olive gray, low plasticity <br /> fines, very stiff, dry, strong hydrocarbon odor <br /> 1 511 5 1400 @29' as above <br /> 25 30 <br /> 1 5/15 NM@34' SANDY SILT, olive gray, fine to medium <br /> Sz grained sand, loose, wet strong hydrocarbon odor <br /> ' 3 /18/9635 <br /> SILTY SAND (SM), olive gray, fine to coarse <br /> grained sand, wet <br /> 1 511 5 NM <br /> 40 <br /> REMARKS <br /> Bonng drilled using 10-inch diameter continuous-flight,hollow-stem auger dnlling equipment and sampled with a <br /> E ON <br /> modified California split-spoon sampler Boring grouted from bottom to ground suaace using neat cement <br /> 1 <br />