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%pI <br /> BOR14G NO. <br /> ALTON GEOSCIENCE, Inc. PROJECT NO. 30-136-01 DATE DRILLED 4-30-91 8-4 <br /> LOG OF EXPLORATORY CLIENT, Mobil Oil Co ration WELLNO <br /> BORING ANN LOCATION 500 E.Grantline Road Ca. <br /> LOGGED BY C. Ladd APPROVED BY <br /> FIELD SKETCH OF BORING LOCATION Page t d 1 <br /> DRILLING METHOD CME 75 HSA HOLE DIAM. 8" <br /> See attached. SAMPLER TYPE Modred SP lit s n <br /> CASING DATA 2'Sch.40 PVC, 0.010"slat,5'solid,20' r#. <br /> TOP OF CASING ELEVATION 30.61' DRILLER West Hazmal Drilling Corporation <br /> Q WATER LEVEL -9.00' 10.21' <br /> CL w w ui DATE 4-30-91 5-7-91 <br /> 3: °= � J C w 0 c TIME 11 :50 12:50 <br /> m DESCRIPTION <br /> O —,� � # v <br /> Christy Box <br /> 0 Planter <br /> 2 CL SILTY CLAY:dark brown, moist,firm, medium plasticity. <br /> 2" <br /> 4 Sch. 40 <br /> SVC - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - <br /> 4,2,4 6 .010" <br /> slot Z., SILTY SAND:brown, moist, loose, low plasticity. <br /> 1 fl .SM <br /> 5,s,s � <br /> ' Same,becomes <br /> 12 medium dense,medium plasticity,with some day. <br /> 14 2' _ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - <br /> Sch. 40 <br /> 5,7,9 16 PVC C SILTY CLAY:dark brawn, moist,stiff. high Plasticity. <br /> .010" <br /> 1$ slot _ <br /> 7,13, 20 r. SILTY SAND:brown,wet,dense, medium plasticity. <br /> #9 SM <br /> 22 ` <br /> 24 End Cap Same,with some gravels to- 114". <br /> . . <br /> - - - - - - - - - - - - - - - - - - - - - - - - - - <br /> 1,5,1128 CL SILTY CLAY:brown,wet, stiff, medium plasticity. <br /> BORING TERMNATED AT 26.5 FEET BELOW GRADE <br /> 28 <br /> 301 Portland Cement- 1• Sample Stabilized water level <br /> 32 0 Sand#2 Lonestar Driven interval Q Water level encountered during drilling <br /> tiMe Bentonite Pellets <br />