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R ES ENGINEERING -SCIENCE <br /> CLIENT EXXON COMPANY VSA TEST HOLE NUMBER MW-2 <br /> 81149 WEST BENJAMIN BOLT <br /> ` LOCATION DRIVE,STOCKTON,CA <br /> r DRILLER HEW DRILLING CO. <br /> DATE so March 1991 DRILLING METHOD HOLLOW-STEM AUGER <br /> GEOLOGIST CARL P.ALLEN HOLE. DIAMETER 10-INCHES <br /> WELL CONSTRUCTION LrMOLOGY DESCWT ON <br /> LOCKING CAP G <br /> PHALT <br /> CHRISTY BOX <br /> DARK BROWN TO BLACK CLAYEY SAND (SC), <br /> GROUT. ARK <br /> molat,some`ravel,(10%),no odor <br /> 95%CEMENT � <br /> f <br /> 5%BENTONITE <br /> 4 LACK CLAY(CH),plastic,moist,tar odor,PW <br /> (0.94-6 feet) jl <br /> 6 ppm at i snot <br /> (916/6) BROWN SANDY CLAY(CL),slightly plastic, <br /> BENTONITE SEAL °111114$'moist,no odor <br /> (6-11 feet) Collected s repreeratative sample at 6 fast <br /> P5. g PID:z 6.8 pom at 6.6 feet <br /> BROWN CLAY(CH),moderately plastic, <br /> Lwderately moist,some sand and gravel(6-1e%),no <br /> ' odor <br /> Slight odor noticed at 10 fast below ground surface <br /> Collected a rapreeentative sample at 11 feet <br /> 4 4*1D BLANK 14 PID $06 ppm at 11.6 foot <br /> PVC CASING <br /> (014-9.67 feet) <br /> Collected a representative sample at 14 Meet <br /> (3/6/I2) PID or 3433 ppm at 16 feet <br /> ` #3 MONTEREY 16 Collected a representative sample at 16 feet <br /> w SAND PACK <br /> (8-46 foot) PID=:14.6 ppra at 16.6 feat <br /> ( <br /> 4"ID SLOTTED 20 <br /> PVC CASING <br /> SLOT SIZE=0.1110' <br /> (947-44.47 feet) <br /> 24. <br /> BOTTOM OF BOREHOLE <br /> PVC CAP T.D.Approsdmately 96 Feet <br /> ss <br /> EXPLANATION <br /> 9 Water level during drilling .—. _ Contact(dashed when approximate) <br /> PID Photoionisation Detector Reading ® Location of sample <br />