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F.. <br /> BORING NO. <br /> ALTICO�N GEOSCIENCE' If1C. PROJECT NO, 30-136 DATE DRILLED 9.26.90 B2 <br /> - LOG OF EXPLORATORY CLIENT Mnbil Oil Corporation WELLNO <br /> BORING LOCATION 500 E.Grantline Road,Tracy,CA <br /> LCGGED BY J .Shl BY AW-2 <br /> FIELD SKETCH OF BORING LOCATION <br /> DRILLING METHOD C.M.E. 75 10' HSA HOLE DIAM, 10.5' <br /> See Attached SAMPLER TYPE Modified California Split Spoon <br /> CASING DATA 4'diametor,Schedule 40,AVC,5,solid,20' ert. <br /> TOp OF CASING ELEVATION 33.16'aboyn ms' DRILLER West Hazmat Drillin <br /> WATER LEVEL 21.79'above msl <br /> Cr 11:1 9 <br /> a DATE 10-1-90 <br /> 3 00.. UL <br /> o TIME 1130 hrs <br /> " 4 S g U ' g DESCRIPTION <br /> Cn �y <br /> D Locking Chris Box <br /> -� <br /> E.., 0 <br /> Medium stiff,damp,bro.vn Silt;trace sand. <br /> ; = 2 <br /> 4 BlankPVC <br /> 'r <br /> 6 Casing <br /> .20 ML Very stiff,moist,brown,sandy Sift. <br /> 4, 0 8 t :y <br /> 10 .' SIM,saturated,brown,sandy Siff. <br /> 10,10, is — <br /> " <br /> 10 12 0.020" <br /> Slotted <br /> 14 <br /> PVC <br /> ;. °: Firm,saturated,brown.sandy Silt. <br /> Casing <br /> 4.3.6 16 <br /> ii <br /> °r <br /> 20 Stiff,saturated,light brawn,silty Clay;sandy. <br /> 5,6,11 <br /> -22 CL <br /> t• <br /> 24 <br /> Firm,saturated,light brown,silly Clay;trace sand. <br /> 3,4,6 2fi Total boring depth•26.5 feet <br /> End Cap <br /> ' 28 g Water encountered during drilling <br /> Z Stabilized Water Level _ <br /> 30porlland.Cemert Sample submitted for laboratory analysis <br /> j; Sand#3 Lonestar ® Dr ven sample <br /> f' B2rttonite Pellets <br />