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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 2613-100.001 BORING NO B2R <br /> PROJECT NAME Transmission Shop; 515 West Charter Way, Stockton, CA PAGE 1 OF 3 <br /> BY C. Avila DATE 9/18/96 SURFACE ELEV —9.5 ft. <br /> RECOVERY PID PENETRA- WELL <br /> � LITHO- <br /> TION Ig <br /> F J GRAPHIC OESCRIPTION DETAIL <br /> �¢W ¢ COLUMN <br /> (ft/ft) (Ppm) (blws/f:) N <br />' T CONCRETE <br /> CLAYEY SILT(NII..), light yellowish brown, low <br />' plasticity fines, very stiff, dry, no hydrocarbon <br /> odor <br /> 1 5/1 5 0 @4' as above <br /> 22 5 <br /> 1 5/1 5 384 @4 as above, light yellowish brown with light <br /> olive gray staining, hard, strong hydrocarbon <br /> 63 10 odor <br /> 1 5/1 5 404 @14' as above, light olive gray <br /> ' 31 15 @ 15' 0 3' thick lense of SANDY SILT (ML), <br /> light olive gray, fine to coarse grained sand <br /> @ 17 5' SANDY SILT(ML), light olive green <br /> ' @ 18 5' SILT some clay, light olive gray, non <br /> 1 5/1 5 467 plastic, hard, dry, strong hydrocarbon odor <br /> L20fd <br /> REMARKS <br /> Boring drilled using 10-inch diameter continuous-flight,hollow-stem auger dnlhng equipment and sampled with a <br /> modified California spht-spoon sampler Soring grouted from bottom to ground surface using neat cement <br /> E ON <br />