Laserfiche WebLink
' v <br /> ALTON GEOSCIENCE PROJECT NO. 30-0136-01 DATE DRILLED 4/3/92 <br /> OG OF EXPLORATORY CLIENT Former Mobil Oil Bulk Plant 04-343 BORING <br /> BORING LOCATION_500 E. Grantline Road,Tracy, California _ 8-13 <br /> • LOGGED BY G. Nieder-Westermann APPROVED BY <br /> FIELD SKETCH OF BORING LOCATION Page 1 of t <br /> DRILLING METHOD CME-55 Hollow Stem Auger HOLE DIAM. 8' <br /> SEE FIGURE 2 SAMPLER TYPE Continuous <br /> CASING DATA WA <br /> TOP OF CASING ELEVATION &A DRILLER— West Hazmat Drilling Corporation _ <br /> DEPTH TO WATER 10.5' <br /> E a w DATE 413!92 <br /> LU (D <br /> = E a- d o U O TIME 2.20 PM <br /> v U) o m° U Cn <br /> CL DESCRIPTION <br /> 0 <br /> ASPHALT 3"/ROAD BASE 3" <br /> 2 damp, dark yellowish brown, silty CLAY with slight sand; rootlets. <br /> 4 CL <br /> 6 — stiff, damp to moist, moderate yellowish brown, clayey SILT;trace <br /> 0 ND/NDg ML fine-grained sand. <br /> very stiff,damp, moderate yellowish brown, clayey,fine-grained <br /> 0 ND/ND012 <br /> 10 Sc • Q�--_. _.-- --- ----- -- <br /> SM U. Std, wet, moderate yellowish brown, silty, fine-grained SAND. <br /> Boring terminated at approximately 11-1/2 feet below grade. <br />