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SECOR <br /> Internatwnal Incorporated <br /> Logged By I Date Drilled Drilling Contractor Project Name Method/Egwpment Well Number <br /> _ WEST_ _ ARCO#4932 SPLIT SPOON <br /> CM 6/12/42 HAZMAT STOCKTON,CA ------HOLLOW STEM AUGER DMW-3 T <br /> See"Legend to Logs"for Boring Surface Groundwater Depth(ft) 'Total Drive Drop <br /> sampling method, Diam(m) Elev(ft) SZ 24 5 FIRST Depth(ft) wt(lbs) Dist(in) <br /> classifications and laboratory <br /> testiniz methods 8 NA 28 STABILIZED 835 140 30 <br /> 8 <br /> Well 5 3 Description <br /> Construction <br /> a <br /> TRAFFIC 4-inch sidewalk slab <br /> RELATED Gravelly sand fill <br /> WELL BOX SILTY CLAY(CL) very dark grayish brown(10YR3/2),moderate <br /> plasticity,very stiff,moist(0,0,30,70) <br /> a e <br /> GROUT CLAYEY SILT(ML) light brownish gray(2 5Y6/2),with sand, <br /> 5 4 fine-grained sand,moderate plasticity,stiff,moist,(0,10,60,30) 0 <br /> 4 <br /> t <br /> 5 <br /> b O <br /> 0 0 <br /> 10 9 Color change to light olive brown(2 5Y5/3),very stiff 0 <br /> 12 <br /> ° 14 <br /> t , <br /> b b <br /> r r <br /> 0 4 <br /> 15 8 SILTY SAND(SM) olive brown(2 5Y4/4),fine-grained sand,dense, 0 <br /> 13 moist,partially cemented,subangular blocky soil structure(0,60,40,0) <br /> 20 <br /> 4 <br /> b b <br /> r r <br /> :b p <br /> ' 20 19 SAND(SW) dark yellowish brown(10YR4/4),with silt and gravel,fine-to 0 <br /> 26 coarse-grained,well graded,gravel is fine,very dense,moist(5,90,5,0) <br /> 28 <br /> q q <br /> t t <br /> tl b <br /> The substrata descriptions above are generalized representations and based upon visual/inanual classification of cuttings and/or <br /> samples obtained dunng 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 tune of drilling and may not be representative of subsurface conditions at other locations or times <br /> project No 77BP.54932 00 0230 Date 8/15/02 PR Log of Well <br /> 4932DMW3 GPJ Approved by <br /> LOG OF BOREHOLE <br /> Figure (sheet 1 of 4) <br />