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Y <br /> ,tea <br /> 111111 <br /> ALTON GEOSCIENCE; Inc. PROJECT NO._ 30.135-01 DATE DRILLED 4.30-81 B-3 <br /> LOG OF EXPLORATORY CLIENT Mobil Oil Corporation WELL NO <br /> BORING � LOCATION 500 E.Grantline Road Ca. <br /> AW-7 <br /> LOGGED BY C.—Ladd APPROVED 6Y_ <br /> SKFTCH OF BCRING LOCATION Page 1 of 1 <br /> DRILLING ME1;iOD_CME 75,HSA HOLE DIAM. 8" <br /> See attached. SAMPLER TYPE Modified split Son <br /> CASING DATA 2"Sch.40 PVC,0.010"slot,5'solid,20'peri. <br /> TOP OF CASING ELEVATION 29.80' DRILLER Wo;Hazmat Drilling Corporation <br /> WATER LEVEL 9.00' 9.73' <br /> I-r4-30-91 5-7.91 <br /> o o. J 4 ¢ J DATE <br /> .O a 0. b> w ti TIME 11:15 1:03 <br /> m Ca <br /> a til Q E DESCRIPTION <br /> 3 v o v <br /> Christy Box <br /> -0 <br /> Plantor <br /> a <br /> 2 GPa ID GRAVELLY SAND:brawn,moist,loose,coarse to subrounded gravels. <br /> 4 Sch.40 - .---- ------ ------ ------ - ----- ------------- <br /> PVC 1 <br /> .010 <br /> 2,2,3 " <br /> 6 slot <br /> SM 7 SILTY SAND:reddish brown,moist,loose,non plastic. <br /> 8 Q - --- -- ---- ------- <br /> iD -- fl --- ------ --- ----- <br /> 2P4 <br /> ;; GP p=.s GRAVELLY SAND:brown,saturated,loose,coarse to subrounded gravels. <br /> -12 tic No recovery. <br /> 14 2" ft ---- --- --- --- -------- ------- --------- ---------- <br /> Sch.40 - <br /> 4,4,2 16 PVC <br /> 010" SAND:brown,saturated,loose,non plastic,fine grained. <br /> 18 slot SP <br /> 20 Same,becomes wet -- _--- <br /> 2,2,5 - -- - --------- --------- --------- ---- <br /> 22 SILTY CLAY:brown,wet,soft,non plastic,some fine sands. <br /> 24 End Cap CL <br /> 6,12, Same,becomes very stiff. <br /> 26 <br /> 1 f3 <br /> BORING TERMNATED AT 26.5 FEET BELOW GRADE <br /> 28 <br /> 34 <br /> Portland Cement <br /> ® Sample _ _...... _ <br /> � Stabilized water level - <br /> 32 Sand#2 Lonestar m Driven interval g .Watsr level encountered during drilling <br /> - 34 stir Bentonhe Pellets <br />