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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-11 PAGE 1 OF 3 E C 0 R <br /> DRILLING: STARTED 1/19/07 COMPLETED: 1/19/07 NORTHING(ft): EASTING(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):49 1/19/07 BOREHOLE DEPTH(ft):50.5 <br /> STATIC DTW(ft):47.1 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 /> U <br /> CL CL <br /> le <br /> o o ? Description Samlple ID �' m�j a p ' Backfill <br /> a) <br /> 2 <br /> 9"of Concrete.Airknife and hand cleared to 5 <br /> feet below ground surface prior to drilling. <br /> Coarse gravel,sand,and silt,moist,non-native <br /> (fill)- <br /> CH <br /> ll.CH FAT CLAY TRACE SAND;CH;dark grayish <br /> black;coarse-grained;high plasticity;hard; <br /> — moist;slight odor,hydrocarbon staining;Traces <br /> ,,of grass and tree roots.L0,5_95)______j <br /> No odor,Same as above,but very dark brown. <br /> ------------- <br /> No odor,no staining;Same as above,but <br /> brown. <br /> 10 <br /> 0 14 <br /> 5 No Recovery. 17 5 <br /> SP- SAND WITH SILT;SP-SM;dark brown; 8 <br /> SM fine-grained;medium dense;moist;no odor;no <br /> 0835 10 staining;weak cementation;poorly graded; 1340 1.5 11 0.0 10 <br /> 09010 B-11@10' 13 <br /> No Recovery. <br /> Same as 1 Oft.sample,but brown. 6 <br /> 0845 15 B 45 1.5 0.0 15 Portland <br /> 17 <br /> Cement Grout <br /> No Recovery. <br /> 0 <br /> 0 <br /> c� <br /> J <br /> Z <br /> o SP SAND;SP;brown;fine-grained;loose;moist; 11 <br /> no odor,no staining;weak cementation,poorly <br /> N 0850 20 graded;(0,100,0) 1350 1.5 23 0.0 20 <br /> a BR x -11 @20' <br /> No Recovery. <br /> 0 <br /> m <br /> or <br /> or <br /> 2 SM SILTY SAND;SM;brown;fine-grained;loose; 13 <br /> o moist;no odor;no staining;weak cementation; <br /> 1400 1.5 23 <br /> �, _-_ <br />