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SECOR <br /> International Incorporated <br /> Logged By Dates Drilled Drilling Contractor Project Name Method/Egwpment Well Number ' <br /> 7/23101 WEST ARCO#595 SPLIT SPOON <br /> BH 7/23101 HAZMAT STOCKTON,CA HSA MW. <br /> See"Legend to Logs"for Boring Surface Groundwater Depth(ft) Total Drive Drop <br /> sampling method, Diam(in) Elev(ft) 50 FIRST Depth(ft) wt(lbs} Dist(in) ' <br /> classifications and laboratory <br /> testing methods 8 32 25(TOC) 60 41 STABILIZED 715 140 30 <br /> Well 3 Description <br /> Construction <br /> TRAFFIC Asphalt,gravel <br /> RATED <br /> WELL BOX SILTY CLAY (CL) dark brown,moderate plasticity,very stiff, <br /> GROUT moist,no hydrocarbon odor(0,0,40,60) <br /> � r <br /> P 9 ' <br /> 5 9 0 MW-5 <br /> 12 @5' <br /> 15 <br /> b p <br /> 10 10 Same as above,brown(0,0,30,70) 0 MW-5 <br /> 11 @ , <br /> r r 14 <br /> • GROUT <br /> A d <br /> 15- <br /> 8 Same as above,brown(0,0,30,70) 0 MW-5 <br /> 12-- - - @15' <br /> b 4 <br /> 16 <br /> A A SILTY CLAY(CH) light brown with gray,high plasticity,wet <br /> • (015,30,65) <br /> 20 11 0 MW-5 <br /> 15 @20' ' <br /> r. 18 <br /> r r <br /> SANDY SILT(ML) light brown,very dense,low plasticity <br /> The substrata descriptions above are generalized representations and based upon visual/manual classification of cuttings and/or <br /> samples obtained dunng dnlhng Predominant material types shown on the log may contain different materials and the change from <br /> one predonunant 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 077.43029.330 Date 9120101 PR Log of Well <br /> 595MW5 GPJ Approved by <br /> LOG OF BOREHOLE Figure (sheet 1 of 3) <br /> I <br />