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PROJECT: Circle K Store 05445 WELL/PROBEHOLE/BOREHOLE NO: <br /> LOCATION: Stockton, CA <br /> PROJECT NUMBER: 77CP.05445.00.0002 B-7 PAGE 1 OF 3 IE C 0 R <br /> DRILLING: STARTED 1/19/07 COMPLETED: 1/19/07 NORTHING(ft): EAST]NG(ft): <br /> INSTALLATION: STARTED 1/19/07 COMPLETED: 1/19/07 LATITUDE: LONGITUDE: <br /> DRILLING COMPANY: CASCADE DRILLING GROUND ELEV(ft): TOC ELEV(ft): <br /> DRILLING EQUIPMENT: Air Knife/CME 75 INITIAL DTW(ft):54 1/19/07 BOREHOLE DEPTH(ft):55.5 <br /> STATIC DTW(ft):45.8 1/19/07 WELL DEPTH(ft):--- <br /> DRILLING METHOD: HOLLOW STEM AUGER WELL CASING DIAMETER(in):--- BOREHOLE DIAMETER(in):8 <br /> SAMPLING EQUIPMENT: SPLIT SPOON LOGGED BY:J.MUNN CHECKED BY:E. SIMONIS <br /> oa <br /> U U <br /> D <br /> m n a� n$' U n Time > > 3 c n y ^ <br /> Description E m $ o N a Borehole <br /> E p ' J � p cn Sample ID �' m�j ca <br /> a o R Backfill <br /> 5"of Asphalt. <br /> Airknife and hand cleared to 5 feet below <br /> ground surface prior to drilling. <br /> Coarses vel sand and silt fill.non-native soils <br /> Same as above,but moist and day rich. (Fill) <br /> CH FAT CLAY TRACE GRAVEL AND SAND;CH; <br /> dark brown;high plasticity;stiff;moist;no odor; 8 <br /> 0 12 <br /> 5no staining;Trace coarse gravels and sands 20 5 <br /> 5590 <br /> - 77��X <br /> No Recovery. <br /> 7 <br /> ML SANDY SILT;ML;dark brown;fine-grained; 0910 1 11 <br /> 0910 10 low plasticity;soft;moist;no odor,iron oxide B-7@10' 14 0.0 10 <br /> ,staining; 0 35 65 <br /> No Recovery. <br /> Same as 1 O sample. 10 <br /> SM SILTY SANG;SM;dark olive gray 0920 1.5 15 <br /> 0920 15 fine-grained;loose;moist;no odor;hydrocarbon B-7@15' <br /> 23 30 15 Portland <br /> stainingweak mentation;Poori y graded; <br /> Cement Grout <br /> 0 60 40 <br /> No Recovery. <br /> 0 <br /> 0 <br /> J <br /> z <br /> Z <br /> cc o Same as 15ft sample,but Yellowish Brown; 7 <br /> w moderate odor and slight hydrocarbon staining. <br /> 1.5 9 <br /> 10 0925 20 092510 >2,00 20 <br /> 0 No Recovery. _ XB-7@20' <br /> 0 <br /> m <br /> K <br /> 11 <br /> Same as 15ft sample,but Olive Gray and <br /> ohydrocarbon staining. 4 <br /> � 1 0930 1 1.5 1 11 <br />