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SECOR <br /> Intemanonallnco orated <br /> . Logged By Dates Drilled Drilling Contractor Project Name Method/Equipment Well Number <br /> 1/30/01 WEST ARCO 6020 HSA <br /> CH 1/30/01 HAZMAT MANTECA,CA SPLITSPOON MW-7 <br /> See Soil Clasificauon Chari" BigF43 <br /> urface Groundwater Depth(ft) Total Drive Drop <br /> for Son]Classifications and Dram(in) ev(ft) -. 19 99 STABILIZED Depth(ft) wt(lbs) Dist(in) <br /> Designations <br /> 10" 6(TOC) -T 22 FIRST 350 140 30 <br /> Well <br /> XF a a <br /> Construction C o Description <br /> TQC 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 16 <br /> • 4"BLANK <br /> CASING <br /> 5 <br /> BENTO 11 Same as above 0 <br /> SEAL 11 <br /> 13 <br /> 4" <br /> SLOTTED <br /> 10 <br /> SCREEN 8 Same as above 0 <br /> 12 <br /> 15 <br /> SAND 15 8 SAND (SW):grayish brown,fine to coarse grained,loose,damp,no 0 <br /> 7 hydrocarbon odor(0,90,10,0) <br /> l l :•:•; <br /> ••• <br /> 20 <br /> 10 0 <br /> 10 SILTY SAND(SM): brown,fine grained sand,medium dense,moist to wet <br /> 21 (0,60,40,0) <br /> The substrata descriptions above are generalized representations and based upon visual/manual <br /> samples obtained duan drilling Predominant material Poclassification is cuttings and/or <br /> $ g 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 2/15/01 Log Of Well <br /> 6020MW7 GPI Approved by <br /> LOG OF BOREHOLE <br /> Figure (sheet 1 of 2) <br />