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ALTON GEOSCIENCE PROJECT NO. DATE DRILLED 413192 <br /> LOG OF EXPLORATORY CLIENT Former Mobil Oil Bulk Plant 04-343 BORING <br /> BORING LOCATION 500 E_Grantline Road,TraM California B"1 1 <br /> ■ LOGGED BY G. Nieder-Westermann APPROVED By <br /> Page 1 of 1 <br /> FIELD SKETCH OF BORING LOCATION <br /> DRILLING METHODCME-55 Hollow Stem Auger HOLE DIAM. 8' <br /> SEE FIGURE 2 SAMPLER TYPE Continuous <br /> CASING DATA WA <br /> TOP OF CASING ELEVATION NIA DRILLER West Hazmat DrillingCo oration <br /> 4 DEPTH TO WATER 10, <br /> EW C7 w DATE 4/3192 <br /> TIME 1:20 PM <br /> a a <br /> ZE G_ cn <br /> V fa. a o m � a- DESCRIPTION <br /> 0 <br /> damp,dark yellowish brown, silly CLAY. <br /> 2 <br /> CL <br /> 4 <br /> stiff, damp, dark yellowish brown, silty CLAY. <br /> 6 ML <br /> stiff,_moist, moderate yellowish brown SILT: little sand. <br /> 0 ND/ND S stiff, moist, moderate yellowish brown, silty, very fine-grained <br /> SM `. SAND. <br /> <15 ND/ND 10 — medium stiff, wet, moderate yellowish brown, silty,fine- <br /> -grainedmediumai ed SAND <br />� 12 <br /> Boring terminated at approximately 11-1/2 feet below grade. <br /> l�. <br /> l <br />