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SECOR <br /> Inrarnareonrt!Inco mred <br /> . Logged By Dates Dnlled Drilling Contractor Project Name Method/Equipment Well Number <br /> 1/30/01 WEST ARCO 6020 HSA <br /> CH 1/34101 HAZMAT MANTECA, CA SPLITSPOON MW-5 <br /> See 'Soil Clasitication Chart" Boring Surface Groundwater Depth(ft) Total Drive Drop <br /> for Soil Classifications and Diam(in) Elev(ft) 19 65 STABILIZED Depth(ft) wt(lbs) Dist(�n) <br /> Designations <br /> i0" 43 61 (TOC) X 21 FIRST 350 140 30 <br /> e_1 <br /> 0 <br /> Well <br /> Construction a o Description 8 <br /> Q � <br /> TRAFFIC ASPHALT <br /> RELATED <br /> WELL BOX SILTY SAND(SM) brown, fine grained sand, loose,damp,no hydrocarbon <br /> • GROUT odor(0,75,25,0) <br /> A A <br /> ♦ J <br /> 4"BLANK <br /> CASING 5 <br /> 6 SAME AS ABOVE 0 <br /> BENTO 6 <br /> SEAL 9 <br /> 4" 10 7 SILTY SAND(SM) brown,fine to medium grained sand,medium dense, 0 <br /> SLOTTED 10 damp,no hydrocarbon(0,75,25,0) <br /> SCREEN 13 <br /> i <br /> SAND IS 7 0 <br /> 10 <br /> 21 SILTY CLAY(CL)- light brown,fine grained sand,stiff,damp,low <br /> plasticity,no hydrocarbon odor,(0,20,30„50) <br /> r20 9 SANDY SILT <br /> (ML) light brown,Erne grained sand,stiff,moist to wet,no 0 <br /> 14 hydrocarbon odor(0,40,60,0) <br /> 18 <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 42070 330 Date 2114/01 <br /> Log of Well <br /> 6020MW5 GP] Approved by <br /> LOG OF BOREHOLE <br /> Figure (sheet l of 2) <br />