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SECOR <br /> International Incorporated <br /> Logged By Dates Drilled Drilling Contractor Project Name Method/Equipment Well Number <br /> 1131101 WEST ARCO 6020 HSA <br /> CH 1131101 HAZMAT MANTECA, CA SPLITSPOON MW-8 <br /> See'Soil Clasification Chart" Boring Surface Groundwater Depth(ft) Total Drive Drop <br /> for Soil Classifications and Diam(in) Elev(ft) Lxv- <br /> 2146 STABILIZED Depth(ft) wt(lbs) Dist(in) <br /> Designations 10" 43 41 (TOC) 25 FIRST 350 140 30 <br /> Well 3 Description 8 <br /> Construction v " ° <br /> TRAFFIC ASPHALT <br />' RELATED <br /> WELL BOX SILTY SAND(SM) brown,fine grained sand,loose,damp,no hydrocarbon <br /> odor (0,80,20,0) <br /> • • GROUT <br /> • • 4"BLANK <br /> CASING 5 4 Same as above,(0,75,25,0) 0 <br /> BENTO <br /> x 8 <br /> SEAL 6 6 <br /> 4" <br /> ZZ SLOTTED 10-- 6 0 <br /> SCREEN _X <br /> 6 <br /> 11 ; GRAVELLY SAND (SW) light brown,fine to coarse grained,small gravel, <br /> • loose,damp,no hydrocarbon odor(10,90,0,0) <br />' SAND 15 8 Same as above 0 <br /> 12 <br /> 20 <br /> 1 <br />' 20-- 11 SILT(ML) brown,fine grained sand,stiff,moist,no hydrocarbon odor 0 <br /> 14 (0,10,90,0) <br /> 26 <br /> I <br /> The substrata descriptions above are generalized representations and based upon visuallmanual 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 2/15101 Log of Well <br />' 6020MW8 GPJ Approved by <br /> LOG OF BOREHOLE <br />' Figure (sheet 1 of 2) <br />