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Del Valle(#2) Boring Dia. :2" <br /> 3995 S. Hwy 99 LOG OF BORING GP-1 Tot.Depth :23.5' <br /> Stockton,Ca. Casing Depth <br /> Project No. 1117.2 (Page 1 of 1) <br /> � Casing Dia. <br /> Date 1/14/04 Screen Interval <br /> Drilling Method Geo Probe Slot Size <br /> Geological Driller :V&W Filter Pack <br /> 7'ec cs Logged By :R.Kablanow Annular Seal <br /> 1/tG <br /> Grout <br /> Water Depth <br /> Well:GP-1 <br /> Deptho U Elev.: <br /> Lab Time U = OVM <br /> Feet Sample o in <br /> DESCRIPTION v (ppm) <br /> m 0 :3 <br /> 0 <br /> SILTY CLAY-light brown,sandy,stiff,moist <br /> CL <br /> SILT-dark brown,clayey,gravely,crumbly,stiff, <br /> non-plastic,dry <br /> 0927 <br /> 5 ML <br /> SILTY SAND-light brown,clayey, hard stiff cemented <br /> below 11.5', hard to drill through,soft and crumbly only <br /> after breaking up <br /> 10 SM <br /> @12' 0950 <br /> SANDY CLAY-grey-brown,firm, rust filled root tubes, <br /> @14' 1000 slightly plastic,expanding in tube,moist <br /> °m 15 <br /> d <br /> CL <br /> r <br /> a <br /> f0 @17' 1009 <br /> rn <br /> N <br /> n <br /> N <br /> CLAY-grey-brown,less sand with depth,firm,rust filled <br /> b 20 @20' 1o1s root tubes, plastic,expanding in tube,increasing CH <br /> moisture with depth <br /> CLAY-grey-brown,sand increasing after 20',rusty root <br /> tubes, plastic,moist <br /> CH <br /> m <br /> .iC <br /> @23' 1030 <br /> a <br /> S <br /> N <br /> R <br /> 0 25 ..................................................................................................... <br />