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SECOR <br /> ' Intentattonallncorporated <br /> • Logged By Date Drilled Drilling Contractor Project Name Method/Equipment Well Number <br /> ARCO Station#4932 HSA-Spirt Spoon <br /> D Harp 8121/00 West Hazmat 16 E Harding Way,Stockton,CA CME-75 MW-4 <br /> ' See"Soil Clasification Chart" Boring Surface Groundwater Depth(ft) Total Drive Drop <br /> for Soil Classifications and Diam(in) {Elev ft Q Depth(ft) wt(lbs) Dist(in) <br /> Designations ) 28 First Water <br /> 10 415 140 30 <br /> o A� <br /> U � <br /> Well C- a 3 Description p a o <br /> Construction <br /> 1 � <br /> 10 SILTY CLAY(CL) Dark Olive Brown(5Y 412),olive-green 520 MW-4 <br /> ' 18 staining,low to medium plasticity,hard,wet,hydrocarbon odor @25 <br /> 23 (20,30,50) <br /> ' 28 0' Encountered Water <br /> 30 20 SILTY SAND with minor CLAYS(SM) Dark Olive Gray(5Y 3/2), 643 MW-4 <br /> 20 fine grained,poorly graded, minor olive-green staining,dense,moist to @30 <br /> 26 wet, faint hydrocarbon odor (45,35,20) <br /> 35 20 CLAYEY SILT ML Olive Gra 5Y 4/2), low plasticity,hard very 491 MW-4 <br /> 30 moist,faint hydrocarbon odor (20,45,35) @35 <br /> 35 <br /> r <br /> 40 20 288 MW-4 <br /> 24 @40 <br /> 26 <br /> 45 <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 /> • Project No 077 41983 330 Date 10/19/00 Log Of well <br /> ' 4932 GPJ Figure <br /> LOG OF BORE110LE <br /> {sheet 2 of 2} <br />