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SECOR <br /> IntematwnalIncorporated <br /> LoggedJIByDate Drilled Drilling Contractor Project Name Method/F.guipment Well Number <br /> WEST ARCO#4932 SPLIT SPOON <br /> — CM3/14/102-- - -HAZMAT -- -- - STOCKTON,-CA - - HOLLOW STEM AUGER -- DMW-1 -- <br /> See"Legend to Cogs"for Boring Surface Groundwater Depth(ft) Total Drive Drop <br /> sampling method Diam(in) Elev(ft) -7 30 5 FIRST Depth(ft) wt-(lbs) Dist(in) <br /> classifications and laboratory <br /> testing pXthocb 8 1198 TOC -1 29 STABILIZED 81.0 140 30 <br /> Well x 3 Descnption <br /> Construction <br /> TRAFFIC 3-inches asphalt <br /> RATED Gravelly silty sand(FII.L),old pieces of asphalt <br /> ' WELL BOX <br /> A 4 <br /> GROUT SANDY SILT(ML): light olive brown(2 5Y5/4),with trace clay, <br /> 5 13 fine-grained sand,low plasticity,very stiff to hard,moist,subangular 0 <br /> t 14 blocky soil structure(0,25,75,0) <br /> + 0 18 <br /> 4 <br /> r r <br /> R R 10 11 Same as above 0 <br /> 13 <br /> b b 14 <br /> .r { <br /> A A <br /> a a <br /> i i 15 11 Same as above 0 DNMI <br /> 14 @ 15' <br /> • 20 <br /> r r <br /> s r <br /> r <br /> ,p 4 <br /> ` 20 15 Same as above 0 <br /> 17 <br /> ro v 21 <br /> 4 <br /> b b <br /> A A <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 tune of drilling and may not be representative of subsurface conditions at other locations or times <br /> Project No 77BP.43287 00 0040 Date 5/29/02 PR Log of Well <br /> 4932DMW1 GPI Approved by <br /> LOG OF BOREHOLE <br /> Figure (sheet 1 of 4) <br />