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BORING NO <br /> ALTON GEOSCIENCE, Inc PROJECT No 30-140 DATE DRILLED 8'890 B-2 <br /> LOG OF EXPLORATORYCLIENT Mobil 041 Corporation <br /> BORING ® WELL No <br /> LOCATION Tr Blvd and Grantline Raad Tracy, CA <br /> LOGGED BYW Shipp APPROVED BY AMW-4 <br /> FIELD SKETCH OF BORING LOCATION <br /> Gr Anil,Ne R-ad DRILLING METHOD CME 75 HOLE DIAM 85" <br /> SAMPLER TYPE Spld Spoon <br /> CASING DATA Schd 40, PVC, 2 5' solid, 12 S'perf <br /> � f r r <br /> TOP CASING ELEVATION � DRILLER West Hazmat <br /> = WATER LEVEL 4 75' <br /> ¢ 4 <br /> �C v Z DATE 8-10-90 <br /> tu <br /> o Ili- 0 � 4 TIME 0930 <br /> t7 td °� Q DESCRIPTION <br /> # Vow <br /> Christy Box <br /> a �. <br /> 0 2' sch <br /> 2 40 PVC ;; Sandy Silt tan, slightly moist, very low plasticity <br /> Casing <br /> 0 <br /> 4 SM _ <br /> im <br /> Sandy Sift brown, moist,firm, low plasticity, 20%fine sands, 5% rounded <br /> gravels <br /> 10 $ lastic, 10%fine micas <br /> O Clay medium brown, moist, stiff, highly p12 <br /> 14Sandy Clay tart, wet, stiff, highly plastic, 20%fine sands <br /> r <br /> 16 sch 40 <br /> PVC Total depth •15 feet <br /> 020 <br /> 18 Slot <br /> 20 <br /> 22 <br /> 24 <br /> 26 = Stabtized water level Q Water enoountered dunng dnlltng <br /> 28 Portland Cement Sample submitted for laboratory analysts <br /> 30 © Sand#3 Lonestar CO Driven sample <br /> tifti Bentonite Pellets <br />