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4' <br /> Drilling Log <br /> ❑❑❑® GROUNDWATER Monitoring Well MW-11 <br /> ❑❑ TECHNOLOGY <br /> Chevron/E Pardno Chevron USA Products Co See Site Map <br /> Proleck Owner For Boring Location <br /> Location Stockton Ca Project No 02320-2672 Date drilled 05/11/92 <br /> Surface Elev ft 19 ft Total Hole Depth 75 0 ft Diameter 0 67 ft COMMENTS <br /> Top of Casing 1071 ft water Level Initial 610 ft Static 5260 ft <br /> Screen Dia 2m Length 30 ft Type/Size 0020 In <br /> Casing Dia 2 to Length 43 ft Type SCH 40 PVC <br /> Filter Pack Material #3 sand Rig/Core Type CME 75/S ht Soon <br /> Drilling Company Kvithaup Well Drilling Method Hollow Stem Auaer Permit # 320990 <br /> Driller Mike Crocker Log By Steve Kranvak <br /> Checked By Ed Sfmonts License No RGO 4422 <br /> C D'Z>' 0 <br /> �-- _ o E �, o°' r�, Description <br /> a� n�_ a amu ao c) <br /> E a s E 3 a � 0 an (Color, Texture, Structure) <br /> U cnmx ' Trace < 10%, Little 10% to 20%. Some 20% to 35%, And 35% to 50% <br /> _2 <br /> 0 Brown silty CLAY (moist) <br /> 2 < < <br /> 4 < <br /> If V <br /> < o �5 <br /> A l7 <br /> 6 < < 1s <br /> < c <br /> 8 c < <br /> CL <br /> 10 < < p 11 <br /> qr 14 B 20 <br /> < < 29 <br /> 12 < <br /> < < <br /> 14 <br /> < < <br /> 13 <br /> 16 < < C 25 <br /> 27 <br /> Vr 1`1 <br /> ` < Brown clayey sandy SILT (moist) <br /> 18 < I <br /> < < I ML <br /> 20 ,—I < < p 17 <br /> < t D 21 <br /> 35 Brown silty CLAY <br /> r 4r22 < < <br /> < < cL <br /> 24 I< < p ML <br /> 07/20/19221Ethicg-nars2 f Page l of 3 <br />