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PROJECT:Arco Service Station 5-2133 WELL/PROBEHOLE/BOREHOLE NO: <br /> LOCATION:2908 West Benjamin Holt Drive, Stockton,C �J <br /> PROJECT NUMBER:77BP.52133.06 AS-1 0 PAGE 1 OF 3 g E C (a R <br /> DRILLING: STARTED 2/27/06 COMPLETED: 2/27/06 NORTHING(ft): EASTING(ft): <br /> INSTALLATION: STARTED 2/27/06 COMPLETED: 2/27106 LATITUDE: LONGITUDE: <br /> DRILLING COMPANY:Cascade Drilling, Inc. GROUND ELEV(ft):-- TOC ELEV(ft):-- <br /> DRILLING EQUIPMENT:R107 Sonic 500 INITIAL DTW(ft):45 2/27/06 BOREHOLE DEPTH(ft):63.0 <br /> STATIC DTW(ft):NE WELL DEPTH(ft):--- <br /> DRILLING METHOD:Sonic WELL CASING DIAMETER(in):--- BOREHOLE DIAMETER(in):6 <br /> SAMPLING EQUIPMENT:Steel core barrel LOGGED BY:L. Heberle CHECKED BY: <br /> U N N <br /> Com.) a Time w u ru 30 � y 0 Q m Borehole <br /> E o a) ,�J ? Description Sample ID 8 w ° °a ° ° Backfill <br /> cn p of <br /> m U ami <br /> Airknifed for clearance to 8 feet bgs. <br /> Concrete cap <br /> to grade. <br /> 5 5 <br /> CL LEAN CLAY;CL;2.5Y 5%2 grayish brown; <br /> medium plasticity;stiff;moist;strong HC <br /> odor;Trace fine sand,(0,0,100) <br /> No Sample 7.0 <br /> 10 10 <br /> 0823 <br /> AS-10-S- 10.6 <br /> 10.5-060227 <br /> CL LEAN CLAY;CL;2.5Y 5%2 grayish brown <br /> medium plasticity;soft;wet;strong HC odor; No Sample 3.5 <br /> Trace fine sand,(0,0,100) <br /> 15 CL LEAN CLAY;CL;2.5Y 5/2 grayish brown 0820 15 <br /> medium plasticity;stiff;moist;strong HC AS-10-S- 7.6 <br /> odor;Trace fine sand,(0,0,100) 15-060227 <br /> 0 <br /> 20 CL LEAN CLAY;CL; 10YR T/2 dark grayish 20 <br /> brown;very soft;wet;moderate HC odor; <br /> z Trace fine to medium sand,(0,0,100) No Sample 3.5 <br /> M <br /> 0 <br /> V <br /> V <br /> CL LEAN CLAY;CL;—I 5Y_R5/4 yellowish 0847 <br /> brown;medium plasticity;very soft;wet; AS 10-S 3.5 <br /> Ch Trace fine to medium sand,(0,0,100) 23-060227 <br /> 0 <br /> N 25 SM SILTY SAND;SM;TOYR 5%3 brown;fne to 25 <br /> a medium-grained;non plastic;moist; <br /> subrounded;poorly graded;(0,80,20) <br /> N <br /> 0 <br /> a SP SAND;SP;2.5Y 5/3 light olive brown;fine A 081 8 <br /> to coarse-grained;poorly graded; <br /> Subangular to subround,(0,100,0) 27-060227 <br /> Er <br /> 0 <br /> 0 <br />