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BORING OS-90 <br /> TOTAL DEPTH 25-feet bgs <br /> DRILLER Woodward Drilling Co., Inc. <br /> GEOLOGIST Cheryl L. Martin <br /> DATE DRILLED December 10, 2004 <br /> Depth (pPID Sample Lithology USCS Well Construction Description <br /> Ground Surface <br /> Silty Clay,Light Olive Gray and DarkYellowish Brown,Largely Plastic, <br /> 'III Moderately Stiff, Damp,Strong Odor <br /> � I <br /> ISI II ' <br /> 1 � 1� 11 <br /> ' I <br /> 5 0.0 '1 '111 CL <br /> 111111 <br /> ' I <br /> III II <br /> I III <br /> j I I I <br /> ' I <br /> 10 259 I I I <br /> Clayey Sand,Olive Gray,Well Sorted, Fine to Medium Grain Size,Loose,Damp, <br /> Strong Odor <br /> ✓ Sc <br /> At 15-feet bgs traces of Gravel, Moderate Yellowish Brown soil,Wet, Moderate <br /> 15 0.0 Odor <br /> Clayey Silt with Sand,Moderate Yellowish Brown, Moderately Dense,Slight Odor <br /> ML <br /> 20 ' <br /> SC Sand with Clay, Dark Yellowish Brown,Wet,Slight Odor <br /> Clayey Silt, Moderate Yellowish Brown, Dense,Wet,Slight Odor <br /> ML <br /> 25 At 25-feet bgs Silt changes color to Light Olive Gray <br /> - IL <br /> 30 <br /> 35 <br /> REVIEWED BY JOB NUMBER ERA02.004 <br /> SITE Moore Petroleum ADDRESS 5491 F Street <br /> CITY Banta, California <br />