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ALTON GEOSCIENCE, Inc. BORING NO. <br /> PROJECT NO. 30-136-01 DATE DRILLED 4-30-91 <br /> LOG OF EXPLORATORY B-3 <br /> BARING CLIENT Mobil Oil Co ration <br /> ALOCATION 500 E.Grantline Road Ca. WELL NO. <br /> LOGGED BY C. Ladd APPROVED BY AW-7 <br /> FIELD SKETCH OF BORING LOCATION I Page 1 of 1 <br /> Sea attached. <br /> DRILLING METHOD CMI;75,HSA HOLE DIAM. 8" <br /> SAMPLER TYPE Modified split spoon _ <br /> CASING DATA 2"Sch. 40 PVC, 0.010"slot,5'solid,20'perf. <br /> TOP OF CASING ELEVATION 29.60' DRILLER West Hazmat Drilling Corporation <br /> a= <br /> W 2 F Q WATER LEVEL 9.00' 9.73' <br /> to 4 a U- i w J DATE 4-30-91 5-7-91 <br /> O a � � ¢ <br /> Q !LJ {A W Cly Q TIME 11:15 1:00 <br /> m 0 n ra v 1E DESCRIPTION <br /> O Christy Box <br /> 1 Planter <br /> 2 " <br /> 2. <br /> GP GRAVELLY SAND:brown, moist, loose,coarse to subrounded gravels. <br /> tr <br /> Sch. 40 <br /> 4 PVC - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - <br /> 2,2,3 .010" <br /> 6 <br /> slot ; <br /> SM SILTY SAND: reddish brown, moist, loose, non plastic. <br /> 8 <br /> 10Q <br /> 2.2,4 <br /> 12 ::: Gp :.0 GRAVELLY SAND:brown, saturated, loose,coarse to subrounded gravels. <br /> No recovery. <br /> 14 2" - - - - - - - - - - - - - - - - - <br /> Sch. 40 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - <br /> 4,4,216 PVC <br /> .010" SAND:brown, saturated, loose, non plastic,fine grained. <br /> 18 slot SP <br /> 2,2,5 24 - -Same�becomeswet.- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - <br /> 22 SILTY CLAY:brown, wet, soft, non plastic, some fine sands. <br /> 24 End Cap CL <br /> 6,12, 26 Same, becomes very stiff. <br /> 18 <br /> 28 BORING TERMNATED AT 26.5 FEET BELOW GRADE <br /> 30 Portland Cement <br /> )♦ Sample 'i Stabilized water level <br /> 32 ED Sand#2 Lonestar m <br /> Driven interval Q Water level encountered during drilling <br /> 34 'j1, Bentonite Pellets <br />