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SECOR <br />' Internahonallnco oratcd <br /> Logged By Dates Drilled Dnllmg Contractor Project Name Method/Equipment Well Number <br /> 1130101 WEST ARCO 6020 HSA <br /> CH 1130101 HAZMAT MANTECA, CA SPLITSPOON MW-Jr <br />' See"Soil Clasification Chart" BonngmSurface Groundwater Depth(ft) Total Drive Drop <br /> for Soil Classifications and Dram( ) Elev(ft) -7 19 65 STABILIZED Depth(ft) wt(lbs) Dist(m) <br /> Designations 10" 43 61 (TOC) 21 FIRST 350 140 30 <br /> Well V j, <br /> Construction o Description e <br />' TRAFFIC ASPHALT <br /> RELATED <br /> ' WELL BOX SILTY SAND (SM) brown,fine gratned sand,loose,damp,no hydrocarbon <br /> GROUT odor(0,75,25,0) <br /> • • <br />' A Q <br /> • • 4"BLANK <br /> CASING g <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 15 7 0 <br /> _X 10 <br /> 21 SILTY CLAY(CL) light brown,fine grained sand,stiff,damp,low <br />' plasticity,no hydrocarbon odor,(0,20,30,50) <br />' " 9 SANDY SILT(ML) light brown,fine grained sand,stiff,motst 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 dunng 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 2/14/01 Log of Well <br /> 6020MW5 GPJ Approved by <br /> LOG OF BOREHOLE <br /> Figure (sheet 1 of 2) <br />