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ES ENGINEERING -SCIENCE <br /> CLIENT EXXON COMPANY,USA TEST HOLE NUMBER MW-1 <br /> 3128 WEST BENJAMIN HOLT <br /> LOCATION DRIVE,STOCKTON,CA DRILLER NEW DRILLING CO. <br /> DATE 30 March 1991 DRILLING METHOD HOLLOW-STEM AUGER <br /> GEOLOGIST CARL P.ALLEN HOLE DIAMETER 10-INCHES <br /> RA WELL CONSTRUCTION LITHOLOGY DESCRIPTION <br /> 0 <br /> LOCKING CAP FHALT <br /> FA CHRISTY BOX <br /> ARK BROWN MAYEY SAND(SC),alightly <br /> GROUT: ist,Baine gravel(10%).no oder <br /> : 96%CEMENT <br /> 4: 6%BENTONITE 4 LACK CLAY(CH),plastic,moist,no odor <br /> (0.76-6 feet) <br /> ea (4/6/7) BROWN BANDY CLAY(CL),slightly alestic, <br /> alightly moist,no odor <br /> BENTONITE SEAL Collected a roprasentative sample at 6 fast <br /> *^� (8-8 feet) PID=0-ppm at$.6 feet <br /> 8 <br /> DARK BROWN CLAY(CH),moderately plastic, <br /> 3 MONTEREY moderately moist,some sand and grsvel(6%),no <br /> odor <br /> SAND PACK <br /> «y«A (8-26 feet) <br /> Collected a repementative sample at 11 felt <br /> 13 PID=0.8 ppm at 11.6 feet <br /> 4'ID BLANK <br /> PVC CASING BROWN CLAY(CH),moderately plastic,slightly <br /> t (0.25-10.06 teat) moist,no Bead or gravel,no odor <br /> (4/10/13] <br /> 18 Collected a representative sample at 1S fast <br /> 4'ID SLOTTED PID=0 ppm at 18.6 feet <br /> PVC CASING <br /> SLOT SIZE=0.010• <br /> (10.06-34.6 feet) <br /> so <br /> GREY TO BLUISH-GREY CLAY(CH),high <br /> plasticity.moist,no odor.'Stoetrton Blue Clay" <br /> 24 <br /> PVC CAP BOTTOM OF BOREHOLE <br /> T.D.Approximately 26 Peat <br /> w. <br /> 28 <br /> ., EXPLANATION <br /> Water laval during drilling ••• -- Contact(dashed.share approximate) <br /> PID Photoionisation Detector Reading Location of sample <br />