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SECOR <br /> interna tonal rneeTorated <br /> =EG4/12/02 <br /> ate Dnlled Drilling Contractor Project Name Method/Equipment Well Number <br /> • CHEVRON 9-9840 SPLIT SPOON <br /> WATERMARK STOCKTON,CA HOLLOW STEM AUGER MW-4 <br /> See Legend to Logs"for Boring Surface Groundwater Depth(ft) Total Drive Drop <br /> sampling method Dram(in) Blev(ft) 67 5 FIRST Depth(f[) wt(lbs) Dist(in) <br /> classifications and laboratory <br /> tes8 3238 750 140 30 <br /> hn methods <br /> o <br /> 0 <br /> Construction o o Description <br /> 4 SILTY SAND(SM) olive brown(10YR4/4),fine-grained sand, 0 <br /> 6 loose,moist, no odor(0,80,20,0) <br /> a 7 <br /> v v <br /> b 30 5 Grades to fine-to medium-gramed sand,well graded 0 <br /> 7 <br /> 13 <br /> 0 b <br /> e ° <br /> ° 35 5 CLAYEY SILT(ML) dark yellowish brown(10YR4/4),medium 0 <br /> ' 8 plasticity,soft,moist,no odor(0,0,70,30) <br /> ° 9 <br /> � a <br /> n ° 40 10 CLAYEY SILT(ML) olive brown(2 5Y4/3),low plasticity,stiff, 0 <br /> ° 18 moist,no odor,iron oxide staining(0,0,60,40) <br /> 23 <br /> d a <br /> e t <br /> b P <br /> r . <br /> 45 7 SILTY CLAY(CL) yellowish brown(10YR5/4),medium plasticity, 0 <br /> 12 medium stiff,moist,no odor(0,0,40,60) <br /> 15 <br /> o ° <br /> r r <br /> v v <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 tunes <br /> �I Project No 77CH.43580 00 0203 Date 611710.2 PR Log of Well <br /> 99840MW4 GPJ Figs <br /> TAG OF BOREHOLE <br /> (sheet 2 of 4) <br />