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BORING NO <br /> ALTON GEOSCIENCE, Inc. PROJECT NO. 30-136-01 DATE DRILLED-4-30-91 <br /> LOG OF EXPLORATORY B-2 <br /> CLIENT Mobil Oil Co ration <br /> BORING ad.Ca. <br /> WEL��' <br /> -';: LOCATION 500 E.Grantline Road, <br /> LOGGED BY C. Ladd APPROVED BY AW-S <br /> FIELD SKETCH OF BORING LOCATION Page 1 of 1 <br /> DRILLING METHOD CME 75,HSA _HOLE DIAM. 8" <br /> See attached. <br /> SAMPLER TYPE Modified split sn <br /> CASING DATA-2'Sch.40 PVC,0.010"slot,5'solid,20'perf._ <br /> TOP OF CASING ELEVATION 29.59' DRILLER West Hazmat Drilling Corporation <br /> III Z <br /> � WATER LEVEL -9.00, 10.3T <br /> N O J E:1i W DATE 4-30-91 5-7-91 <br /> CL <br /> 0O � � o o TIME 10:00 12:55 <br /> m 8 # v g DESCRIPTION <br /> Christy x <br /> 4 Asphalt <br /> 2 2" SILTY CLAY:dark brown, moist.firm,medium plasticity,with asphalt and till <br /> Sch.40 material. <br /> 4 PVC CL <br /> 5,8,8 '010" Same,becomes brown, high plasticity. <br /> 6 slot <br /> 8 Same,becomes dark brown,trace gravels- 1/2" <br /> - 3z- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - <br /> 10 '>p <br /> 5,6,8 >►: <br /> 12 GP SAND:brown,wet,medium,dense, medium to coarse grained sand, <br /> subrounded gravels 12': <br /> 14 2' - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - <br /> Sch.40 - - - - - <br /> 16,12, 16 PVC �. <br /> 14 .010' } SAND:brown,saturated, medium dense,fine to medium grained sand. <br /> 18 slot <br /> r� <br /> 9 13, 20 SP <br /> ' Same,becomes wet. No recovery. <br /> 12 22 A~ <br /> End Cap r:< : <br /> 24 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - <br /> 7,12, 26 CL SILTY CLAY:brown, moist, stiff, high plasticity. <br /> 12 <br /> 28 BORING TERMNATED AT 26.5 FEET BELOW GRADE <br /> 30 Portland Cement <br /> ® � Sample Stabilized water level <br /> 32 3 Sand 82 Lonestar m <br /> Driven interval Q Water level encountered during drilling <br /> •rtir Bentonite Pellets <br />