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SECOR <br /> Interna honallnco rated <br /> Logged By Dates Drilled Dn1hng Contractor Project Name Method/Equipment Well Number <br /> . 7/23/01 WEST ARCO#595 SPLIT SPOON <br /> BH 7/23/01 HAZMAT STOCKTON,CA HSA MW-6 <br /> See"Legend to Logs"for Boring Surface Groundwater Depth(ft) Total Drive Drop <br /> sampling method, Di=m(in} Elev(ft) 50 FIRST Depth(ft) wt(lbs) Dist(in) <br /> classifications and laboratory <br /> !=Mmethods S 30 20(TOC) X 59 4 STABILIZED 715 140 30 <br />' Well jf <br /> ff Descnption <br /> Construction <br /> Q <br /> 4" 11 MW-6 <br /> SLOTTED 14 @50q <br />' SCREEN 20 <br />' SANDY CLAY (CL) light brown,fine-grained sand, low plasticity,very <br /> 55 12 stiff,moist(0,20,5,75) mw-6 <br />' 16 @55' <br /> 20 <br />' - SILTY CLAY(CL) brown,very low to no plasticity,hard, moist <br /> 60 16 (0,10,30,60) MW-6 <br /> 30 @60' <br /> 30 <br /> SAND <br />' SILTY CLAY(CH) brown,fine-grained sand,high plasticity,hard,wet <br /> 65 10 (0,0,30,70) MW-6 <br />' 17 @)65' <br /> 22 <br /> THREADED <br />' END CAP 70 10 Same as above, hard(0,0,30,70) MW-6 <br /> 19 @70' <br /> 23 <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 times <br /> Project No 077 43029.330 Date 9/21/01 PR Log of Well <br /> 595MW6 GPJ Approved by <br /> LOG OF BOREHOLE <br /> Figur: (sheet 3 of 3) <br /> 1 <br />