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PROJECT Arco Service Station 5-2133 WELL 1 PROBEHOLE 1 BOREHOLE NO <br /> LOCATION 2908 West Benjamin Holt Drive, Stockton, CA <br /> PROJECT NUMBER 77BP 52133 06 AS-8 PAGE 1 OF 3 E C ® R <br /> DRILLING STARTED 2123106 COMPLETED 2123106 NORTHING(ft) EASTING(ft) <br /> • INSTALLATION STARTED 2123106 COMPLETED 2!23106 LATITUDE LONGITUDE <br /> DRILLING COMPANY Cascade Drilling, Inc GROUND ELEV(ft) -- TOC ELEV(ft) -- <br /> DRILLING EQUIPMENT R107 Sonic 500 INITIAL DTW(ft) 60 2123106 BOREHOLE DEPTH(ft) 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 /> w o Description E SaCL mmie ID 8� 0 a E e 0 m Borehole <br /> Q v p pp U 0 v Backfill <br /> Concrete cap <br /> to grade <br /> 5 5 <br /> 10 CL LEAN CLAY WITH SAND,CL,10YR 513 0927 10 <br /> • brown medium plasticity, no odor No AS-8-S- 305 <br /> Organics, {0 5 95} <br /> ML SILT WITH SAND,ML, 10YR 412 dark <br /> grayish brown, moist moderate HC odor, AS-8-S- 34 8 <br /> 125-060223 <br /> Low to Medium plasticity, No Organics, (0, <br /> 15,85) <br /> 15 CL LEAN CLAYWITH SAND,CL 2 5Y 413 0920 15 <br /> olive brown,medium plasticity,dry moderate AS-8-S- 72 <br /> HC odor, No Organics, (0, 10,90) 15-060223 <br /> CL LEAN CLAY WITH SAND,CL,2 5Y 413 0920 27 <br /> olive brown medium plasticity, moist slight No Sample <br /> HC odor, (0 5 95) <br /> 20 SM SILTY SAND SM,413 olive brown,soft 0950 20 <br /> moist, no odor No to low plasticity, {0 60, AS-8-S- 08 <br /> 40} 20-060223 <br /> 0 <br /> Sh1I SILTY SAND,SM,2 5Y 516 light olive 0952 07 <br /> brown,fine to medium-grained,moist, no No Sample <br /> odor, poorly graded,Mica flakes (0 75,25) <br /> a <br /> 0 <br /> 1925 SM SILTY SAND, SM 2 5Y 514 light olive 0945 25 <br /> a brown fine to medium-grained moist, no AS-8-5- 04 <br /> odor poorly graded Mica Flakes 25-060223 <br /> • IV <br /> 0 <br /> a <br /> a <br /> S <br /> 9 <br /> 0 <br /> UJ <br /> C7 <br />