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GRAPHIC BORING LOG PAGE ,_.L OF <br /> CLIENT Unocal PROJECT NO 1232 DRILL HOLE AS-26 <br /> SITE LOCATION 5606 Pacific Avenue Stockton California <br /> RILLING CO West Hazmat TYPE OF RIG CME-85 <br /> DRILLING METHOD/EQUIPMENT _Hollow Stem Auger HOLE DIAMETER 10" <br /> DRIVE WEIGHT/HEIGHT OF DROP -.14OQ30"30" REFERENCE OR DATUM Surface <br /> START DATE 9/21/01 COMPLETION DATE 9121101 <br /> � o <br /> moDESCRIPTION <br /> I-t- o a4 0Q <br /> z z a <br /> aO to <br /> 0 W .d [!0 H � �t3 G H Y/t <br /> �� U1 H r <br /> X X '- m a t H w 10 Fulluwing Order- LITHOLOGY s nlor,gratin size,sorting hngularity, <br /> - <br /> 4- W rL w o r N U o of z H h d to Y.�i consistency wetiiem <br /> W wq3Q Wth .a m� t W SQw <br /> 0 <br /> 1 ML <br /> ' S 10 930 00 4-5 5' SANDY SILT, rust, fine sand, very moist, no odor <br /> 16 <br /> 24 <br /> 10 17 9 35 00 9-10 5' SILT, rust, moist, no odor <br /> 32 <br /> 35 <br /> 15 29 940 00 14-15 5' SILT, rust, moist, no odor <br /> 32 <br /> 20 29 35 945 00 19-20 5' SLIGHTLY SANDY SILT, rust, moist, no odor <br /> 40 <br />' 23 0 <br /> 25 <br /> 21 950 05 SM 24-25 5' SILTY SAND, rust, fine sand, moist, no odor <br /> 29 <br />' 32 <br /> 280 <br /> SP <br /> 30 35 955 00 29-30 5' SAND, rust medium to fine sand, moist, no odor <br /> 50 <br /> 35 x lg 10 00 0 0 34-35 5' SAND, rust, medium gravel and silt, saturated, no <br /> odor <br /> Continued Next Pate <br /> NOTES <br /> ENVIRONMENTAL AUDIT, INC NOTE This Boring Log Represents Conditions Only at Time and Location <br /> Indicated Subsurface Conditions May Differ at Other Locations and <br /> Times <br /> LOGGED BY BHM DATE 09/21/01 APPROVED BY BHM RG # 5649 <br />