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SECOR <br /> International Incorporated <br /> 7Logg,edBy Date Dnlled Dnllmg Contractor Project Name Method/Equipment Well[Number <br /> ARCO#595 HSA <br /> H 6/26/02 CASCADE STOCKTON,CA SPLIT SPOON MW-9 <br /> See"Legend to Logs"for Boring Surface Groundwater Depth(ft) Total Drive Drop <br /> sampling method, Diam(in) Elev(ft) 60 5 FIRST Depth(ft) wt(lbs) Dist(in) <br /> classifications and laboratory <br /> testing methods 8 33 72 TOC 62 STABILIZED 705 <br /> Well 0. <br /> 3 Descnption a <br /> Construction <br /> 35 @ 2A' <br /> 38 <br /> a <br /> 0 0 <br /> 30 0 MW9 <br /> 30 32 @29' <br /> 33 <br /> Same as above <br /> 0 0 <br /> Same as above <br /> 31 0 MW9 <br /> 35 34 SANDY SILT(ML) dark yellowish brown(10YR3/4),sand is @34' <br /> 37 fine-grained,hard,moist,low plasticity,subangular blocky soil <br /> structure,partially cemented(0,40,60,0) <br /> 0 0 <br /> � a <br /> 32 0 MW9 <br /> 4 40 33 @39' <br /> 35 <br /> a a <br /> p A <br /> 34 0 MW9 <br /> 45 35 SILTY SAND(SM) dark yellowish brown(10YR3/6),sand is @44' <br /> BENTONM 37 fine- rained very dense moistpartially cemented 0 80 20-0) <br /> SEAL CLAYEY SILT(ML) with sand,brown(7 5YR4/3),sand is <br /> fine-grained,hard,moist,moderate plasticity(0,20,50,30) <br /> #3 SAND <br /> 33 Same as above 0 MW9 <br /> The substrata descriptions above are generalized representations and based upon visual/manual classification of cuttings and/or <br /> samples obtained during dnlling 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 Descnptions 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 50595 00 0330 Date 8/8/02 GMH Log of Well <br /> 595MW9 GPJ Approved by <br /> LOG OF BOREHOLE <br /> Figure (sheet 2 of 3) <br />