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1 SECOR <br /> Inrernatronallnco rated <br /> ' Logged By Date Drilled Drilling Contractor Project Name Method/Equipment Well Number <br /> WEST ARCO#4932 SPLIT SPOON <br /> CM 3114102 HAZMAT STOCKTON,CA HOLLOW STEM AUGER DMW-1 <br /> See"Legend to Logs"for Boring Surface Groundwater Depth(ft} Total Drive Drop <br /> sampling method, Dram(in) Elev(ft) 7 30 5 FIRST Depth(ft} wt(Ibs) Dist(in) <br /> classifications and laboratory 8 1198 TOC T 29 STABILIZED 810 140 30 <br /> testin methods <br /> ' o a <br /> Well $ 3 Descnption <br /> Construction <br /> Q <br /> 1 � <br /> • 8 SILTY SAND(SM) olive brown(2 5Y4/3),fine-grained sand, 4 DMWJ <br /> 10 medium dense,wet,faint chemical odor(0,70,30,0) @50' <br /> ' a a 14 <br /> GROUT 12 4 <br /> q 14SANDY SILT(ML) olive brown(2 5Y4/3),fine-grained sand,low <br /> 17 plasticity,very stiff to hard,moist(0,40,60,0) <br /> ' t <br /> 5016" SILTY SAND(SM) olive brown(2 5Y413) fine-grained sand, <br /> " 55 edium dense wet faint chemical odor 0 70 30 0 <br /> f Y <br /> SANDY SILT(ML) dark yellowish brown(10YR414),with clay, <br /> ' d 0 fine-grained sand,very stiff to hard,partially cemented in zones <br /> 28 (0,30,70,0) 0 <br /> o . <br /> 50/6" <br /> 60 14 0 <br /> 15 Same as above <br /> 21 <br /> n• a• 14 0 <br /> a 17 <br /> 19 SILTY SAND(SM) dark yellowish brown(10YR4/4),fine-grained <br /> sand,very dense,wet,partially cemented in zones(0,65,35,0) <br /> b o 65 50/6" 2 <br /> ' a b <br /> 10 0 <br /> ' > r 13 SANDY SILT(ML) light olive brown(2 5Y5/3),with clay, <br /> 15 fine-grained sand,moderate plasticity,very stiff to hard,moist <br /> (0,30,60,10) <br /> 70 23 MW <br /> ' BENTO 5016" 1@69 5' <br /> SEAL <br /> 21 0 <br /> SAND 35 SILTY SAND(SM) brown(I0YR4/3),fine-grained sand,very <br /> dense,wet,cemented in zones(0,65,35,0) <br /> The substrata descriptions above are generalized representations and based upon visual/manual classification of cuttings and/or <br /> samples obtained during drilling Predominant 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 tunes <br /> Project No 77BP 43287.00 0040 Date 5/29/02 PR Log of Well <br /> ' 4932DMW I GP7 Approved by <br /> LOG OF BOREHOLE <br /> Figure (sheet 3 of 4) <br />