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BORING NO. <br /> ALTON GEOSCIENCE, Inc. <br /> PROJECT NO. 30-436-01 DATE DRILLED 5-1-94 <br /> B-9 <br /> LOG OF EXPLORATORY <br /> CLIENT Mobil Oil Corporation <br /> LOCATION 500 E. Grantline Road,C_a. <br /> BORING WELL NO. <br /> LOGGED BY W.Shy _ _ APPROVED BY AW-8 <br /> FIELD SKETCH OF BORING LOCATION Page 1 of 1 <br /> DRILLING METHOD CME 75,HSA HOLE DIAM. e' <br /> See attached. <br /> SAMPLER TYPE Modified S21 ft Sn <br /> CASING DATA 2"Sch. 40 PVC, 0.010"slot, 5.5'solid, 19.5' erf. <br /> TOP OF CASING ELEVATION 28.46' DRILLER West Hazmat Drilling Corporation <br /> Z " WATER LEVEL 9.00' 9.55' <br /> P, J U_ z „r LU DATE 5-1- 91 5-7-91 <br /> LL � P; 8 D C4 o TIME 1:05 <br /> I a Eddo <br /> DESCRIPTION <br /> vOv <br /> Christy Box <br /> 0 5'As halt, 7"Roadbasa <br /> 2 <br /> 2' CL CLAY:dark gray, moist, very stiff, high plasticity. <br /> 4 Sch. 40 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - <br /> PVC - <br /> 5,5,8 6 .010" <br /> slot ML CLAYEY SILT:brown, moist, stiff, low plasticity, rare subrounded gravels to 112". <br /> $ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - <br /> 10 <br /> 4,5,6 CL SILTY CLAY:medium brown, moist, stiff, low plasticity, rare very fine sand. <br /> ML <br /> 12 <br /> 14 <br /> Sch. 40 <br /> 12,14, 16 PVC Sp '`, SAND:medium brawn,saturated,dense, non plastic,fine to medium grained, <br /> 18 .040" trace subrounded gravels to 1" <br /> 18 slot _ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - <br /> 20 <br /> 8,6,5 ML SILT:brown, saturated, stiff, low to non plastic,trace fine grained sand. <br /> 22 <br /> End Cap - <br /> 24 <br /> CL CLAYEY SILT:medium brown,wet, stiff, low plasticity. <br /> 3,4,5 26 <br /> BORING TERMNATED AT 26.5 FEET BELOW GRADE <br /> 28 <br /> 30 Portland Cement <br /> 1• Sample Stabilized water level <br /> 32 Sand#2 Lonestar m <br /> Driven interval Q Water level encountered during drilling <br /> •rtir Bentonite Pallets <br />