Laserfiche WebLink
ALTON GEOSCIENCE, Inc. PROJECT NO. 30-136 DATE DF31LLED 9-26.90 BORMNO. <br /> LOG OF EXPLORATORY 8"2 <br /> CLIENT Mobil al Corporation <br /> BORING : LOCATION 500 E.Grantlino Road, Tracy .CA WEtlNO• <br /> LOGGED BY W.ShIp - APPROVED 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"diameter, Schedule 40,PVC,5'solid,20'perf. <br /> TOP OF CASING EL <br /> EVATFON 33.16*above msi DRILLER West Hazmat Drilling - - - -'— <br /> i <br /> a WATER LEVEL 21.79'above msl <br /> £c w DATE 10.1.90 lei <br /> g TIME 1130 hm <br /> DESCRIPTION <br /> Locking Cris Box <br /> 0 <br /> 2 Medium stiff,damp, brown Silt;trace sand. <br /> 1 <br /> 4 Blank a <br /> PVC <br /> 7,14, 6 Casing S' t ML : Very stiff, moist, brown, sandy Silt. <br /> 20 S• •t f 1 <br /> pS ` ' <br /> 10 ;i Q Stiff, saturated, brown, sandy Silt. <br /> 10,101 1 <br /> 10 12 0.020" ,• <br /> 14 Slotted <br /> PVC <br /> t! .r Firm,saturated, brown,sandy Sit. <br /> 1 4.3,6 16 ti <br /> 4 18 <br /> 20 t Stiff, saturated, light brown, silty Clay; sandy. <br /> 22 CL <br /> r 24 <br /> t 3,4.6 26 rr Firm,saturated, fight brown,silty Clay;trace sand. <br /> End Cap Total boring depth-26.5 feet <br />' 28 <br /> = Stabilized Water Level SZ Water encountered during drilling <br /> 3a <br /> ® Portland Cement Sample submitted for laboratory analysis <br /> Sand#3 Lonestar Driven sample <br /> s• <br /> Bentonite Pellets <br />