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SECOR <br /> Inte—tonal Inco orated <br /> =LoggedDate Dnlled Drilling Contractor Project Name Method(Equipment Well Number <br /> ARCO#595 HOLLOW STEM AUGER <br /> 6/25/02 CASCADE STOCKTON,CA SPLIT SPOON DMW-2 <br /> See"Legend to Logs"forBonng Surface Groundwater Depth(ft) Total Dave Drop <br /> sampling method, Diam(in) Elev(ft) 4 63 5 FIRST WATER Depth(ft) wt(lbs) Dist(in) <br /> classifications and laboratory <br /> testin methods 8 33 62 TOC = 62 STABILIZED 1020 <br /> Well 3 Description <br /> Construction Q p re <br /> 26 SILTY SAND(SM) dark yellowish brown(10YR-314),sand is @74' <br /> 28 fine-grained,very dense,wet(0,80,20,0) <br /> a 4 <br /> a <br /> v v <br /> 24 SANDY SILT(ML) with clay,brown(10YR-513),sand is 0 DMW2 <br /> gp 27 fine-grained,hard,moist,moderate plasticity(0,30,60,10) 979' <br /> 29 <br /> b p <br /> o e <br /> 31 Same as above,no clay,moist to wet(0,40,60,0) 0 DMW2 <br /> p S5 42 @ 84' <br /> 50/4 <br /> b e <br /> A A <br /> 27 0 DMW2 <br /> o 90 39 SAND(SP) with silt,dark yellowish brown(10YR-314),sand is @89' <br /> 43 fine-grained,dense,wet(0,95,5,0) <br /> BENTONM <br /> SEAL No recovery,driller reports hard material <br /> SANDY SILT(ML) with clay,brown(10YR4/3),sand is <br /> fine-grained,hard,moist,moderate plasticity(0,30,60,10) <br /> #3 SAND 50/5 DMW2 <br /> 95 @94' <br /> 2"DIA <br /> 0 02" 37 0 DMW2 <br /> SLOTTED 50 Same as above,moist to wet(0,40,60,0) @96 5' <br /> SCREEN 4 <br /> 50 SILTY SAND(SM) olive brown(2 5Y-4/3), sand is fine-grained, 0 MW <br /> The substrata descriptions above are generalized representations and based upon visual/manual classification of cuttings and/or <br /> samples obtained dunng dnlling 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 77BP 50595 00.0330 Date 8/7/02 GMH Log of Well <br /> 595DMW-2 GP7 Approved by <br /> LOG OF BOREHOLE <br /> Figure (sheet 4 of 5) <br /> i <br />