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SECOR 1 <br /> Intematwnal Incorporated <br /> Logged By Dates Drilled Drilling Contractor Project Nance Method/Equipment Well Number ' <br /> 7/23/01 WEST ARCO#595 SPLIT SPOON <br /> BH 7/23/01 HAZMAT STOCKTON,CA HSA MW- <br /> See"Legend to Logs"for Bonng Surface Groundwater Depth(ft} Total Dnve Drop <br /> sampling method, Diam(in) Eley(ft) V- 50 FIRST Depth(ft) wt(lbs) Dist(in) <br /> classifications and laboratory TOC 8 32 25 T 60 41 STABILIZED 715 140 30 ' <br /> tesun methods 25(TOC) <br /> a ♦ ♦ . . N kw <br /> well 0 3 Description <br /> Construction — ---A °' —° — ---- - --F- - _ -_-- --� — — '- ---_--- — <br /> va - <br /> 4" 11 0 MW-5 <br /> SLOTTED 16 _ - - _ @50' <br /> SCREEN 19 SILTY CLAY(CL) light gray,hard,moist,cemented(0,0,15,85) ' <br /> 55 , <br /> 12 0 MW-5 <br /> 18 @55' <br /> 23 SANDY SILT (ML) brown,fine-grained sand,very stiff,low <br /> plasticity,wet(0,25,75,0) <br /> 3 <br /> 60 <br /> 0 MW-5 _ <br /> SAND <br /> 65 10 SANDY SILT(ML) brown,very stiff,moderate plasticity,moist 0 MW-5 <br /> 15 (0,20,80,0) - @65' ' <br /> 22 <br /> 1 <br /> THREADED <br /> END CAP 7D 8 Same as above,hard,(0,20,80,0) 0 MW-5 ' <br /> 13 q70' <br /> 19 <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 Descripuons 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 tithes <br /> Project No 077 43029 330 Date 9/20/01 PR Log of Well <br /> 595MW5 GP] Approved by ' <br /> LAC OF BOREHOLE <br /> Figure (sheet 3 of 3) <br /> r <br />