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SECOR <br /> Intemahonalincorporated <br /> =KG <br /> Date Drilled Drilling Contractor Project Name Method/Equipment Well Number <br /> CASCADE 7-Eleven#32262 HOLLOW STEM AUGER <br /> 10/16/03 DRILLING TRACY,CALIFORNIA CAL-MOD SPLIT SPOON Mw-6D <br /> See"Legend to Logs"for Bonng Surface Groundwater Depth(ft) Total Drive Drop <br /> sampling method, Diam(in) Elev(ft) Depth(ft) vn(lbs) Dist(in) <br /> classifications and laboratory 8 S1 0 140 30 <br /> testin methods <br /> w <br /> Well T Z <br /> a a Description Q <br /> Construction o a <br /> 31 As above <br /> o a <br /> 43 14 5 <br /> 29 <br /> ° SILT with SAND(ML) hard, low plasticity,fine-grained 4 <br /> 44 <br /> sand,wet,(0,25,65,10) MW-6 11465 <br /> ° a 30 @30' <br /> Bailed—25 gal from conductor casing prior to drilling <br /> a b <br /> 3-314" Steel Conductor casing installed 10/15/03 <br /> Drill through wood plug in order to sample below <br /> SILT(ML) (poor recovery&wet) <br /> 35 <br /> S <br /> Poor recovery <br /> ° 52 SILT and SAND brown(IOYR-513), fine-grained sand, 0 <br /> ' hard,wet, low plasticity,some wood fragments <br /> (0,15,75,20) <br /> a 40 31 As above,decreasing sand& clay (0,5,85,10) MW-6 850 <br /> @41' <br /> BENTONITE, 12 <br /> 26 MW-6 855 <br /> SILT brown,very stiff,medium plasticity,wet 1 1 @43' <br /> (0,10,75,15) <br /> 23 At 42 5' increased Clay,trace sand(0,5,80,15) MW-6 900 <br /> 45 @45' <br /> #2 SAND 2 2 <br /> 2" DIA PVC 25 As above, decreased clay,trace sand, wet(0,5,90,5) MW-6 905 <br /> 0 020" @47' <br /> SLOTTED 0 2 <br /> SCREEN 18 MW-6 910 <br /> 0 3 49 <br /> The substrata descriptions above are generalized representations and based upon visual/manual classification of cuttings and/or <br /> samples obtained during drilling Predominant material types shown on the log may contain different materials and the change from <br /> one predominant material type to another could be different than indicated Descriptions on this log apply only at the specific locatio <br /> at the time of drilling and may not be representative of subsurface conditions at other locations or times <br /> Project No 77EL 32262 03 0502 Date 11/0412003 Log of Well <br /> MW1-6 GPJ <br /> Figure <br /> LOG OF BOREHOLE <br /> (sheet 2 of 3) � <br />