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BORINGNO <br /> ALTON GEOSCIENCE, Inc. ' <br /> PROJECT NO. 30-136-01 DATI~ DRILLI=D 4-30-91 <br /> LOG OF EXPLORATORY CLIENT Mobil op Corporation B-2 <br /> _- _�—_ <br /> BORING LOCATION 500 E. Grantline Road Ca. WELL <br /> Ak <br /> LOGGED BY C. Ladd APPROVED BY AW-6 <br /> FIELD SKETCH OF BORING LOCATION Page t of 1 <br /> See attached. DRILLING METHOD CME 75,HSA_ HOLE DIAM. 8" <br /> SAMPLER TYPE Modified split spoon <br /> CASING DATA 2'Sch.40 PVC. 0.010"slot,5'solid_,20,pert. _ <br /> TOP OF CASING ELEVATION 29.59' DRILLER West Hazmat Drilling Corporation <br /> Z WATER LEVEL 9.00, 10.37" <br /> pw w DATE 4-30-91 5-7-91 <br /> 06 <br /> m � 4 TIME 10:00 12:55 <br /> DESCRIPTION <br /> Christy Bo <br /> 4'As aft <br /> 2 2" SILTY CLAY:dark brown, moist,firm, medium plasticity.with asphalt and fill <br /> Sch. 4a material. <br /> 4 PVC ' <br /> CL <br /> 5,8,8 6 slot Same, becomes brown, high plasticity. <br /> 8 Same,becomes dark brown,trace gravels- 112". <br /> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - <br /> 5,6,8 10 <br /> 12 GP GRAVELLY SAND: brown,wet,medium,dense, medium to coarse grained sand, <br /> subrounded gravels- 112". <br /> 14 2' >aT' <br /> Sch. 40 - - - - - - - - - - - - - - - - - - - - -- - - - - - - - - - - - - - - - - - - - - - - - - - - <br /> 16,12. 16 PVC <br /> 14 .p10* ::s< SAND:brown, saturated, medium dense,fine to medium grained sand. <br /> 18 slot { <br /> 4 9,13, 20 SP <br /> 12Same,becomes wet. No recovery. <br /> 22 <br /> 24 End Capw;7 <br /> - - - - - - - - - - - - - - T - - - - <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 E] Sand#2 Lonestar <br /> mDriven interval Q Water level encountered during drilling <br /> 34 •ftif Bentonite Pellets <br />