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SECOR <br /> Internctwna!Inco mted <br /> =LogpedDate Drilled Drilling Contractor Project Name Method/Equipment Well Number <br /> WEST _ ARCO#4932 SPLIT SPOON <br /> -3/15102 — - -HAZMAT - - STOCKTON.CA -- - --HOLLOW STEM AUGER - EW-1 <br /> See"Legend to Logs"for Boring Surface Groundwater Depth(ft) Total Drive Drop <br /> sampling method, Diam(in) Elev(ft) .7 28 5 FIRST Depth(ft) wt(lbs} Dist(in) <br /> classifications and laboratory <br /> tes n methods 8 1183 TOC X 28 STABILIZED Soo 140 30 <br /> Well o Description <br /> Construction A <br /> TRAFFIC7-inches asphalt <br /> RATED Base rock <br /> ' <br /> WELL BOX SILTY CLAY with SAND(CL) very dark grayish brown <br /> (10YR3/2),fine-grained sand,moderate plasticity,stiff,moist <br /> jo. ¢r (0,15,30,55) <br /> SANDY SILT(ML) brown(10YR5/3),with clay,fine-grained sand, <br /> • GROUT 15 low plasticity,hard,[Hoist,subangular blocky soil structure(0,30,65,5) 2 <br /> 5 <br /> +4 17 <br /> k <br /> * • 19 <br /> ti. ro <br /> ' 10 17 2 <br /> 17 <br /> a a 20 <br /> Y i <br /> A A <br /> r r <br /> a e <br /> 16 Same as above,faint chemical odor 69 EW1 <br /> 18 @15' <br /> ro o 19 <br /> r r <br /> BENTONM <br /> SEAL <br />� SAND <br /> 20 18 Same as above,strong chemical odor 315 <br /> 21 <br /> 23 SILTY SAND(SW:dark yellowish brown(10YR4/4),fine-grained <br /> 6" sand,medium dense,moist(0,75,25,0) <br /> DIAMETER' I8 SANDY SILT <br /> 0 020" (ML) yellowish brown(10YR5/4),fine-grained sand, 714 <br /> STAINLESS 20 hard,moist,strong chemical odor(0,40,60,0) <br /> STT�EI. 25 <br /> WRAP <br /> The substrata descriptions above are generalized representations and based upon visual/manual 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 /> lop Project No 7711P.43287 00 0040 Date 5/29/02 PR Log of Well <br /> 4932EW1 GPj Approved by <br /> LAG OF BOREHOLE <br /> Figure (sheet 1 of 2) <br /> I <br /> i <br /> F - - <br />