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1 <br /> SECQR <br /> Internateona!Ineornorated - <br /> Logged By Dates Drilled Drill mg Contractor Project Name Method/Equipment Well Number <br /> 1/30/01 WEST ARCO 6020 HSA <br /> CH 1130/01 HAZMATMANTECA, CA SPLITSPOON MW-6 <br /> See"Sol]Clasification Chart' Boring Surface Groundwater Depth(ft) Total Dnve Drop <br /> for Soil Classifications and Diam(m) Elev(ft) V 21 FIRST Depth(ft) wt(lbs) Dist(in) <br /> Designations <br /> 10" 43 65 (TOC) 1 20 66 STABILIZED 365 140 30 <br /> Well § <br /> W x 3 Descnption a <br />' Construction v o <br /> in <br />' 'TRAFFIC ASPHALT <br /> RELATED <br /> WELL BOX SILTY SAND (SM) brown,fine grained sand,loose,damp,no hydrocarbon <br /> odor(0,75,25,0) <br /> • GROUT <br /> • 4"BLANK <br /> CASING 5 <br /> ,� a 6 SILTY SAND(SM) dark brown,fine grained sand,some small gravel, 0 <br /> 10 loose,damp,no hydrocarbon odor(10,75,15,0) <br /> BENTONITf 12 <br /> SEAL <br /> 4" 10 4 SAND(SP) brown,fine grained,medium dense,damp(0,90,10,0) 0 <br /> SLOTTED 12 <br /> SCREEN 21 <br /> SAND 15 26 SAND(SP)- light brown,fine to medium grained,dense,damp,(0,90,10,0) 0 <br /> _X 50 <br />' 20 12 SILT(NII,), light brown,stiff,medium plasticity,moist to wet,no 0 <br /> 17 hydrocarbon odor(0,0,90,10) <br />' 28 <br /> J F_ <br /> The substrata descriptions above are generalized representations and based upon visual/manual classification of cuttings and/or <br />' samples obtained during drilling Predominant matenal 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 2115/01 Log of Well <br /> 6020MW6 GPJ Approved by <br /> LOG OF BOREHOLE <br />' Figure (sheet I of 2) <br />