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SECOR <br /> IntenwhonalIncorporated <br />' Logged By Dates Drilled Drilling Contractor Project Name Method/Equipment Well Number <br /> 7/23/01 WEST ARCO#1595 SPLIT SPOON <br /> RH 7/23/01 HAZMAT STOCKTON,CA HSA MW-7 <br /> See"Legend to Logs"for Boring Surface Groundwater Depth(ft) Total Drive Drop <br /> sampling method, Diam(in) Elev(ft) 50 FIRST Depth(ft) wt(lbs) Dist(in) <br /> classifications and laboratory <br /> testing methods S 32 52(TOC) 59 4 STABILIZED 715 140 30 <br />' o p <br /> Well 3 Description <br /> Construction <br /> 1 � I <br /> 9 SAND (SP) brown,fine-grained,medium dense,moist(0,90,10,0) MW-7 <br /> 12 C@251 <br /> i a A 16 <br /> i 30 <br /> °* 10 SAND (SP). dark brown,medium-grained,medium dense,moist(0,95,5,0) MW-7 <br /> i 14 C&30' <br /> p 18 <br /> i t s <br /> 35 CLAY (CL) light brown no plasticity,very hard,dry(0,0,5,95) <br /> 15 <br /> MW-7 <br /> 23 (-@35' <br /> b d 30 <br />' A A <br /> 40 11 SILTY CLAY(CL) reddish brown,low plasticity,hard,moist(0,0,20,80) MW-7 <br />' 17 @40' <br /> 24 <br /> ° a <br /> t <br />' <br /> BENTONM <br /> SEAL <br /> i 45 14 SILTY CLAY(CL) dark brown,low plasticity,very hard,moist MW-7 <br /> 20 (0,5,20,75) @45' <br /> 28 <br /> 1 <br /> i The substrata descriptions above are generalized representations and based upon visuallinanual classification of cuttuigs Incl/oi <br /> samples obtained during drilling Predominant matenal 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 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 /> Project No 077.43029.330 Date 9/21/01 PR Log of Well <br /> i 595MW7 GPj Approved by <br /> LOG OF BOREHOLE <br /> Figure {sheet 2 of 3} <br /> i <br />