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1 SECOR <br /> Internatronal lnoqr <br /> porated <br /> ' Logged By Date Drilled Drilling Contractor Project Name Method/Equipment Well Number <br /> WEST ARCO#4932 SPLIT SPOON <br /> CM 3114102 HAZMAT STOCKTON,CA HOLLOW STEM AUGER DMW-1 <br /> See"Legend to Logs"for Boring Surface Groundwater Depth(ft) Total Drive Drop <br /> sampling method, Dia;(in) Elev(ft) 30 5 FIRST Depth(ft)) wt(lbs) Dist(in) <br /> classifications and laboratory <br /> testrn in, <br /> 8 1198 TOC 29 STABILIZED 810 140 30 <br /> � _ <br /> Well a 3 Description <br /> Construction 2 <br /> 0. <br /> 2" 50/6" 1 <br /> DIAMETER, <br /> ' 0 020" <br /> SLOTTED 12 2 <br /> SCREEN 12 SAND(SP) dark yellowish brown(10YR4/4),with silt, <br /> 14 fine-grained,medium dense,wet(0,95,5,0) <br /> gp 12CLAYEY SILT(ML): brown(10YR5/3),moderate plasticity,hard, 7 DMWJ <br /> THREADED 18 moist,subangular blocky soil structure(0,0,80,20) @80' <br /> END CAP 26 <br /> ' <br /> 85- <br /> 90- <br /> 95— <br /> The <br /> 59095The 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 matenal 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 77BP 43287 00 0040 Date 5129/02 PR Log of Well <br /> 4932DMW I GPj Approved by <br /> LOG OF BOREHOLE <br /> Figure (sheet 4 Of 4) <br />