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SECOR <br /> Internatwnallnco orated <br /> Logged By Dates Drilled Drilling Contractor Project Name Method/Equipment Well Number <br /> _7113/01_ _ _WEST _ _ _ _ _ ARCO#4932 - SPLIT SPOON_ _ <br /> CM 7113101 HAZMAT STOCKTON,CA HSA MW-5— <br /> See"Legend to Logs"for Boring Surface Groundwater Depth(ft) Total Drive Drop <br /> sampling method, Diam(m) Elev(ft} 26 5 FIRST Depth(ft) wt(lbs) Dist(tri} <br /> classifications and laboratory 8 NA 27 77 STABILIZED 405 140 30 <br /> teshn&methods <br /> Well 3 Description <br /> Construction <br /> TRAFFIC Concrete <br /> RATED SANDY SILT(M[L) brown(10YR5/3),fine-grained sand,moderate <br /> ' WELL BOX plasticity,medium stiff,moist(0,40,60,0) <br /> 4 SILTY CLAY(CL). very dark gray(10YR3/1),fine-grained sand,moderate <br /> plasticity,very stiff,moist(0,20,30,50) <br /> GROUT <br /> 5 5 SANDY SILT(ML).brown(10YR5/3),fine-grained sand,low plasticity, 0 <br /> 4. �. 5 stiff,moist,subangular blocky soil structure,abundant rootholes 0,25,70) <br /> 5 <br /> 4 4 <br /> " r 4 Same as above 0 <br /> 10 5 <br /> a � 8 <br /> t t <br /> D A <br /> °y 8 Same as above,very stiff 0 <br /> 15 12 <br /> 16 <br /> BENTONM <br /> SEAL <br /> SAND <br /> 7 1 <br /> 20 20 SILTY SAND(SM). dark yellowish brown(10YR4/4),fine-grained sand, <br /> 2" 21 dense,moist,abundant rootholes(0,70,30,0) <br /> SLOTTED <br /> SCREEN <br /> 11 I <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 077 43286 330 Date 8/14/01 PR Log of Well <br /> 4932MW5 GPJ Approved by <br /> LOG OF BOREHOLE <br /> Figure {sheet 1 of 2} <br />