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SECOR <br /> Inlematmna[Inco rated <br /> Logged By Dates Drilled Drilling Contractor Project Name Method/Equipment Well Number <br /> 1130101 WEST ARCO 6020 HSA <br /> CH 1/30/01 HAZMAT MANTECA,CA SPLITSPOON MW-7 <br /> See Soil Clasiftcation Chart' Boring Surface Groundwater Depth(ft) "Total Drive Drop <br /> for Soil Classifications and Diam(in) Elev(ft) 19 99 STABILIZED <br /> Depth(ft) wt(lbs) Dist(in) <br /> Designations <br /> 10" 43 06(TOC) T 22 FIRST 350 140 30 <br /> Well v Descrttion 8 <br /> Construction (U R P a <br /> 12 Same as above,saturated 0 <br /> 17 <br /> 24 <br /> 30- <br /> 15 0 <br /> 19 <br /> _ SANDY SILT(ML) brown,fine grained sand,stiff,wet,no hydrocarbon <br /> odor(0,30,70,0) <br /> THREADED <br /> END CAP <br /> Ile <br /> 35 11 SAND SP •fine to medium ned 0 90 10 fl 0 <br /> —x 17 SILTY CLAY(CL): grayish brown,very stiff,medium plasticity,moist,no <br /> 26 h drocarbon odor 010 40 50 <br /> 45 <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 dnlling and may not be representative of subsurface conditions at other locations or times <br /> Project No 077.42070 330 Date 2/15/01 Log of Well <br /> 6020MW7 GPl Approved by <br /> LOG OF BOREHOLE <br /> PP <br /> Figure (sheet 2 of 2) <br />