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BORING NO <br /> ALTON GEOSCiENCE, Inc. PROJECT NO. 30-136-01 DATE DRILLED 5-1-91 <br /> B-9 <br /> LOG OF EXPLORATORY <br /> CLIENT Mobil oil Corporation <br /> BORING —' T WELL No <br /> ■ ;: LOCATION 500 E. Grantline Road,Ca., _-__ _ <br /> LOGGED BY W. Shipp APPROVED BY AW 8 <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 spoon <br /> CASING DATA 2"Sch.40 PVC, 0.010-slot, 5.5'solid, 19.5'pert. <br /> TOP OF CASING ELEVATION 28.46' DRILLER West Hazmat Drilling Corporation <br /> WATER LEVEL 9.00' 9.55' <br /> Jtj 0 DATE 5-1-91 5-7-91 <br /> 0 up TIME 1:05 <br /> u�i Q g DESCRIPTION <br /> 0 <br /> Christy x <br /> - <br /> 5"Asphalt,7"Roadbase <br /> 2 <br /> r CL CLAY:dark gray, moist, very stiff, high plasticity. <br /> Sch. 40 0 <br /> 4 PVC - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - <br /> 5.5,8 .010" <br /> 2 $ slot ML CLAYEY SILT:brown, moist, stiff, low plasticity, rare subrounded gravels to 12". <br /> r <br /> 13 - 3z- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - <br /> 10 is <br /> 4,5,6 ML CL SILTY CLAY:medium brown, moist, stiff, low plasticity, rare very tine sand. <br /> 12 <br /> ' - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - <br /> . 14 2 <br /> Sch. 40 <br /> 12.14. is PVC ,'s SP SAND:medium brown, saturated,dense, non plastic,fine to medium grained, <br /> 18 .010" trace subrounded gravels to 1" <br /> 18 slot _ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - <br /> 20 <br /> MU SILT:brown, saturated, stiff, low to non plastic,trace fine grained sand. <br /> 22 <br /> 24 End Cap - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - <br /> CL CLAYEY SILT:medium brown,wet,stiff, low plasticity. <br /> 3.4,5 26 <br /> 26 BORING TERMNATED AT 26.5 FEET BELOW GRADE <br /> 30 . Portland Cement <br /> M Sample Stabiliz--J water level <br /> 32 Sand#2 Lonestar Driven interval SZ <br /> miil Water level encountered during drilling <br /> ry Bentonite Pellets <br />