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SECOR <br /> Intematwnallnco orated <br /> Logged By Dates Drilled Drilling Contractor Project Name Method/Equipment Well Number <br /> 7/13/01 WEST ARCO#4932 SPLIT SPOON <br /> CM T 7/13/01- - HAZMAT - -STOCKTON,CA - HSA MW-6 - - <br /> See"Legend to Logs"for Boring Surface Groundwater Depth(ft) Total Dnve Drop <br /> S method, Dram(in) 131ev(ft.) z 25 5 FIRST Depth(ft) wt(lbs) Dist(in) <br /> classtf"icattons and laboratory <br /> tesun methods $ NA 27.43 STABILIZED 405 140 30 <br /> o <br /> Well a o Description <br /> Construction IS� I � <br /> as w <br /> TRAFFIC Concrete <br /> RATED GRAVELLY SAND(SW) roadbase <br /> WELL BOX <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 4 0 <br /> 5 5 <br /> 4 4 6 SANDY SILT(ML).brown(10YR5/1),fine-grained sand,stiff,moist,weak <br /> subangular blocky soil stricture,abundant rootholes(0,25,60,15) <br /> 4 4 <br /> " 5 0 <br /> - - 10 5 <br /> a a <br /> $ SILTY SAND(SM dark yellowish brown(10YR4/4),fine-grained sand, <br /> medium dense,moist(0,60,40,0) <br /> r 6 <br /> e ey 5 0 <br /> 15 8 <br /> 10 <br /> SANDY SILT(ML) brown(10YR413),fine-grained sand,very stiff,moist, <br /> BENTO subangular blocky soil structure(0,40,60,0) <br /> SEAL <br /> SAND <br /> I 8 0 <br /> 2,. 20 10 <br /> 1 13 <br /> SLOTTED <br /> SCREEN <br /> 12 1 <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 8114101 PR Log of Well <br /> r <br /> 4932MW6 GPJ Approved by <br /> LOG OF BOREHOLE <br /> Figure (sheet 1 of 2) <br />