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PROJECT Chevron Service Station 94275 WELL 1 PROBEHOLE/BOREHOLE NO <br /> LOCATION 2905 West Benjamin Holt Drive, Stockton, CA �p p <br /> PROJECT NUMBER 77BP 52133 06 MWA R PAGE 1 OF 3 LCE; C_ ® R <br /> DRILLING STARTED 311106 COMPLETED 311106 NORTHING(ft) FASTING(ft) <br /> INSTALLATION STARTED 311106 COMPLE=TED 311106 LATITUDE LONGITUDE <br /> DRILLING COMPANY Cascade Drilling, Inc GROUND ELEV(ft) -- TOC ELEV(ft) -- <br /> INITIAL DTW(ft) 47 311106 OLE DEPTH(ft) 60 0 <br /> DRILLING EQUIPMENT R107 Sonic 500 STATIC DTW(ft) NE WELL DEPTH(ft) 60 <br /> DRILLING METHOD Sonic WELL CASING DIAMETER(in) 2 B HOLE DIAMETER(in) 6 <br /> SAMPLING EQUIPMENT Steel core barrel LOGGED BY L Heberle CHECKED BY <br /> v 8 <br /> m nm LO U Time :18V c y0� ny Well <br /> o f Description Sample ID m w.P m�j a p Construction <br /> Air knife clearance to 8 feet 1 inch bgs <br /> Portland <br /> cement grout <br /> Medium <br /> bentonite <br /> i1chips <br /> 5 5 <br /> CL LEAN CLI1Y CL, 10YR 513 brown medium <br /> plasticity,stiff moist Trace fine sand <br /> (00,100) 0820 <br /> MW-1 R-S- 0 <br /> 10 9-060301 10 <br /> No Sample 0 00101, <br /> CL LEAN CLAY CL, 10YR 512 grayish brown, machine slat <br /> medium plasticity, stiff, moist Trace fine #2112 sand <br /> sand, (0,0,100) <br /> 0815 <br /> 15 CL LEAN CLAY WITH SAND, CL, 10YR 412 MWA R-S- 38 15 <br /> dark grayish brown,medium plasticity,stiff 145-060301 <br /> n <br /> moist,slight HC odor, (0,15,85) <br /> O <br /> H <br /> Z <br /> L) SP SAND, SP,2 5Y 512 grayish brown, No Sample 0 <br /> medium-grained moist, subrounded poorly <br /> graded (0 100 0) <br /> M <br /> 3 <br /> 2 20 0840 20 <br /> MW-1R-S- 02 End cap <br /> _ _ ___—_ 20-060301 <br /> SP SAND SP, GLEY2 51513 blueish gray, <br /> medium to coarse-grained, moist, <br /> subrounded poorly graded (0,100,0) <br /> • <br /> No Sample 0 <br /> Of <br /> Of Medium <br /> LL bentonite <br /> LU chips <br />