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PROJECT:Arco Service Station 5-2133 WELL/PROBEHOLE/BOREHOLE NO: <br /> LOCATION:2908 West Benjamin Holt Drive,Stockton, CA, <br /> /� <br /> PROJECT NUMBER:771313.52133.06 AS-8 PAGE 1 OF 3 <br /> DRILLING: STARTED 2/23/06 COMPLETED: 2/23/06 NORTHING(ft): EASTING(ft): <br /> INSTALLATION: STARTED 2/23/06 COMPLETED: 2/23/06 LATITUDE: LONGITUDE: <br /> DRILLING COMPANY:Cascade Drilling, Inc. GROUND ELEV(ft):-- TOC ELEV(ft):-- <br /> DRILLING EQUIPMENT:R107 Sonic 500 INITIAL DTW(ft):60 2/23/06 BOREHOLE DEPTH(fty 65.0 <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:T. Myers CHECKED BY: <br /> U U) N N � <br /> L <br /> N cL OL m C.1 n Time o 3 y n Borehole <br /> E o v J ? Description Sample ID °' m U o p Backfill <br /> ~ � _ <br /> Concrete cap <br /> to grade. <br /> 5 5- <br /> 10 CL LEAN CLAY WITH SAN CL;10YR 5/33 0927 10 <br /> brown;medium plasticity;no odor;No AS-8-S- 30.5 <br /> Organics,(0,5,95) 10-060223 <br /> ML SILT WITH SAND;ML; 10YR 4%2 dark 0922 <br /> grayish brown;moist;moderate HC odor; AS-8-S- 34.8 <br /> Low to Medium plasticity,No Organics,(0, 12.5-060223 <br /> 15,85) <br /> 15 CL LEAN CLAY WITH SAN01 CL;2.57 4/3 0920 15 <br /> olive brown;medium plasticity;dry;moderate AS-8-S- 7.2 <br /> HC odor;No Organics,(0,10,90) 15-060223 <br /> CL LEAN CLAY WITH SANQ CL;2.57 4/3 0920 2 7 <br /> olive brown;medium plasticity;moist;slight No Sample <br /> HC odor;(0,5,95) <br /> 0 <br /> 0 20 SM SILTY SAND;SM;4/3 olive brown;soft; 0950 20 <br /> c� AS-8-S- 0.8 <br /> F moist;no odor;No to low plasticity,(0,60, 20-060223 <br /> Z 40) <br /> 0 <br /> w ___ <br /> SM SILTY SAND;SM;2.5Y 5/6 light olive 0952 <br /> brown;fine to medium-grained;moist;no No Sample 0.7 <br /> odor;poorly graded;Mica flakes,(0,75,25) <br /> a <br /> 0 <br /> ~ 25 ———— <br /> Cb SM SILTY SAND;SM;2.5Y 5/4 light olive 0945 25 <br /> abrown;fine to medium-grained;moist;no AS-8-S- 0.4 <br /> odor;poorly graded;Mica flakes 25-060223 <br /> N <br /> 0 <br /> Q <br /> O <br /> M <br /> 0 <br /> LL <br /> 0 <br />