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Drilling Log <br /> GROUNDWATER MonitoringWell MW--10 <br /> TECHNOLOGY <br /> Project Chevron/E 14ardino Owner Chevron USA Products Co See Site Map <br /> e <br /> Location Stockton Ca Project No 02320-2672 Date drilled 05111192 For Boring L oca trop <br /> Surface Elev 12 77 ft Total Hole Depth 75 0 ft Diameter 0 67 ft COMMENTS <br /> Top of Casing 12 40 ft water Level Initial 62 0 ft Static 53 93 ft <br /> Screen Dia 2 in Length 30 ft Type/Size 0 020 in <br /> Casing Dia 2 in Length °5 fl Type SCH 40 PVC <br /> Filter Pack Material #3 sand Rig/Core Type CME 75/SDht S000n <br /> Drilling Company Kvrlhauc Well DrilGno Method Hollow Stem Aucer Permit f 920990 <br /> Driller Mike Crocker Lag By Steve Kranvak <br /> Checked 3y Ed Simons License No PG# -1422 <br /> oa 00 r �, Description <br /> CL 0 <br /> a E 3 m -' m (Color, Texture, Structure) <br /> `o Off ? <br /> L) Trace < 10X, Little 10% to 20%, Some 2o% to 35% And 35% to SOX <br /> �n m x <br /> _2 <br /> 0 } 1 Dark brown silly CLAY (most) <br /> i <br /> 2 < < <br /> 4 < < <br /> 0 s0 <br /> 6 < < A 27 <br /> 27 <br /> CL <br /> 8 < c <br /> < < (arsaes brown) <br /> 10 << o - = <br /> 24 <br /> 31 <br /> 12 < < <br /> < Brown clayey SILT with some minor fine sand (slightly moist) <br /> 41 <br /> 14 < < <br /> a 2i <br /> 16 < < _ ic 22 <br /> 3< <br /> < < ML <br /> I 1 <br /> 20 ^ ` <r 0 21 Brown clayey sandy SILT (moist) <br /> < < D zs <br /> 35 <br /> 22 < <br /> 24 - <br /> 07P20/1992 <br /> 4 -0;'20/1952 iihi°9-mar92 Page l of 3 <br />