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ALTON GEOSCIENCE PROJECT NO. 10-0136-01 DATE DRILLED 4!3192 <br /> LOG OF EXPLORATORYCLIENT Former Mobil Oil Bulk Plant 04-343 BORING <br /> •BORING LOCATION 500 E.Grantline Road, Tracy, California _ 9-12 <br /> LOGGED BY G. Nieder-Westermann APPROVED BY___- <br /> Page 1 of 1 <br /> FIELD SKETCH OF BORING LOCATION <br /> DRILLING METHOD CME-55_Hollow Stem huger HOLE DIAM. 8' <br /> SEE FIGURE 2 SAMPLER TYPE Continuous <br /> CASING DATA WA <br /> i <br /> TOP OF CASING ELEVATION ILA DRILLER West Hazmat Drilling Corporation <br /> DEPTH TO WATER 10.5' <br /> E 8- S w DATE 4/3192 <br /> S LU <br /> .. a c :3U) LL TIME 1:45 PM <br /> v f.0.- g U) o m°U D a DESCRIPTION <br /> 0 <br />'s damp, dark yellowish brown, silty CLAY; rootlets. <br /> 2 CL very stiff, damp, moderate yellowish brown CLAY. <br /> 4 very stiff, damp, dark yellowish brown CLAY. <br /> stiff, damp, moderate yellowish brown, clayey SILT. <br /> 6 stiff, damp, moderate yellowish brown, clayey SILT; increasing silt. <br /> 0 NDINDstiff, moist to wet, moderate yellowish brown, silty fine-to <br /> 8 ML medium-grained SAND. _____________ <br /> 100 ND/ND10 SM mastiff, wet, moderate yellowish brown,fine-to medium-grained <br /> SAND. <br /> 12 <br /> Boring terminated at approximately 11-112 feet below grade. <br /> E <br /> P <br /> Y <br />