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Sinclair&Thompson Prop. Tot.Depth :20' <br /> Tracy,CA <br /> 37130 west CA Rd. LOG OF BORING-GP-4 Casing Depth <br /> Project No.: 1030.2 (Page 7 of 1) Screen Interval <br /> _%bFilter Pack <br /> Date :11/10/03 Annular Seal <br /> Geologw Drilling Method :G.P. Grout :0-20' <br /> Teclatics Driller V&W Drilling Water Depth <br /> Logged By :Eric Price <br /> lltC. <br /> Well:GP-4 <br /> DeU Elev.:.: <br /> Depth Lab Time v DESCRIPTION a CL <br /> Feet Sample o (ppm) <br /> A <br /> C7 � <br /> 0 fir— Cover <br /> Back fill <br /> FL <br /> SILTY SAND-brown,dry,no odor <br /> ' no sample 1004 SM <br /> SANDY SILT-brown, hvy oxidation <br /> 5 NIL <br /> SILT-dark grey, odor <br /> @7.5 1008 ML <br /> 86.2 <br /> SILT-dark grey, odor <br /> ' ML <br /> 10- <br /> CLAY-dark grey, mod plasticity,wet, odor <br /> @11.5 1014 CH <br /> zss <br /> SILTY SAND-black,wet, odor <br /> ' ML <br /> SILT-black,wet,odor <br /> 15 �— M L <br /> ' 1 @14.5 1020 SAND-brown,med grain,wet 109.9 <br /> SP <br /> m SAND-brown, med grain,wet <br /> SP <br /> @18 1050 <br /> GRAVELY SAND-brown,wet SW <br /> 1 64.3 <br /> 20 . CLAY-highly plastic CH <br /> o - - <br /> o <br /> N <br /> O <br /> 1� <br /> ]C <br /> N <br /> N <br /> 25 ...................... ................................................. <br />