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SECOR <br /> Int-w *nal InEToriVed <br />. <br /> =LOggedByateDrilled Drilling Contractor Project Name Method/Egmpment Well Number <br /> GREGG ARCO#4493 HOLLOW STEM AUGER <br /> 5/9/02 DRILLING STOCKTON,CA SPLITSPOON W-10 <br /> See"Legend to Logs"for B�iiig Surface Groundwater Depth(ft) 'Total Drive Drop <br /> sampling method, Djam.(m) Elev(ft) � 17 FIRST <br /> 7tetlDepth(ft) wt(Ibs) Dist(in) <br /> classifications and laboratorymethods 10 545 140 30 <br /> Well <br /> °z <br /> Construction �p (z Desenption <br /> Color change to dark brown(10YR3/3),saturated <br /> SILTY CLAY(CL)-brown(10YR5/3),firm,moist,low plasticity,no <br /> hydrocarbon odor(0,5,35,60) <br /> SILTY CLAY(CL) gray(2 5Y411),hard,damp,no hydrocarbon odor <br /> 053560 <br /> 55- <br /> 60- <br /> 65- <br /> 70---1 <br /> 5606570 <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 matenals and the change from <br /> one predominant material type to another could be different than indicated Desenpuons 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 43036 00 0320 Date 5/31/02 PR Log of Well <br /> 4493MW 10 GPj Approved by <br /> LOG OF BOREHOLE <br /> Figure (sheet 3 of 3) <br />