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SECOR <br /> International Inc2r <br /> porated <br /> Logged By Date Drilled Drilling Contractor Project Name Method/Equipment Well Number <br />• CASCADE 7-Eleven#32262 HOLLOW STEM AUGER <br /> K G 10/16/03 DRILLING TRACY,CALIFORNIA CAL-MOD SPLIT SPOON MW-4 <br /> See"Le en to Logs"forBoring Surface Groundwater Depth(ft) Total Dave Drop <br /> sampling method, Dram(m} Elev(ft) 9 FIRST Depth(ft) wt(lbs) Dist(in) <br /> classifications and laboratory <br /> testin methods S 170 140 30 <br /> v _ <br /> Well = N <br /> az <br /> Construction a o Description aLU <br /> TRAFFIC ASPHALT Cn <br /> RA'Z'ED FILL(Sand&Gravel) <br /> WELL BOX <br /> d GROUT <br /> 0 q <br /> BENTONTIT <br /> 5 20 SILT(ML) dark brown black(10YR-3/2),clay,low 0 MW-4 313 <br /> #2 SAND plasticity,gravel,medium soft,dry to moist(10,0,80,10) 95 5' <br /> 0 <br /> 10 10 As above,dark yellowish brown(10YR-414),trace of MW4 315 <br /> 2"DIA PVC fine-grained sand and some clay,low-medium plasticity, @ 10' <br /> Y 0 020" moist,medium stiff(05,80,15) 0 <br /> SLOTTED 10 0 MW-4 328 <br /> SCREEN @ 12' <br /> 27 MW-4 330 <br /> As above,less sand(0,2,80,18) @ 14' <br /> 15 SILT(ML) yellowish brown(10YR-4/4),wet, <br /> ' 22 fine-grained sand,trace gravel lmm to 5mm,medium 0 MW-4 333 <br /> plasticity,mottled dark brown&yellowish dark brown,very @ 15' <br /> ' stiff(2,8,75,15) <br /> 13 MW-4 340 <br /> @ 16' <br /> 20 <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 location <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 11/04/2003 Log of Well <br /> MW 1-6 GP7 Figure <br /> LOG OF BOREHOLE <br /> (sheet 1 of 1) <br />