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SECOR <br /> International LnEor <br /> porated <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 Clasification Chart" Boring Surface Groundwater Depth(ft) Total Drive Drop <br /> for Soil Classifications and Diam(in) Elev(ft) �7- 19 99 STABILIZED Depth(ft) wt(lbs) Dist(in) <br /> Designations 10" 43 06(TOC) 22 FIRST 350 140 30 <br /> Well <br />' Construction <br /> o Description <br /> as <br />' TRAF1-'IC ASPHALT <br /> RELATED <br /> ' WELL BOX SILTY SAND(SM) brown,fine grained sand, loose,damp,no hydrocarbon <br /> • • <br /> odor(0,75,25,0) <br /> GROUT <br /> d A <br /> • 4"BLANK <br />' CASING <br /> BENTO 5 11 Same as above 0 <br /> SEAL 11 <br /> 13 <br /> 4" <br /> SLOTTED 10 <br /> SCREEN $ 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 /> 11 <br /> I <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 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 2/15/01 Log of Well <br /> 6020MW7 GPl Approved by <br /> LOG OF BOREHOLE <br /> Figure (sheet I of 2) <br />