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09/28/07 16:01 $510 842 8370 CHEVRON U.S.A. 16013/024 <br /> l U <br /> I' <br /> 10D� � Drilling Log <br /> I GROUNDWATER Monitoring Well MW-11 <br /> 1=1l 1 TECHNOLOGY <br /> it <br /> Project Chevron/F. Mardino , Owher Chevron U.S.A. Products Co. See Site Map <br /> For Boring Location <br /> Location Stockton. Ca. project;No. 02320-?672 Date drilled 05/11/92 <br /> Surface Elev. 109 ft. Total Hole Depth 75.0 rt. Diameter 0.67 R. COMMENTS: <br /> Top of Casing 1071 ft. water Level Initial 61.0 ft. Static 52.60 !t. <br /> Screen: Dia 2 in• Length 30 !t. Type/Sire 0.020 in. <br /> Casing: Dia 2 in. Length 43 ft. Type SCH 40 PVC <br /> Filter Pack Material 3 sand _ Rig/Core Type CMF 75/9offit S000n <br /> Drilling Company Kvilhauo Well OrilAno Method HoiloW Srem AUOef o Permit # 920990 <br /> Driller Mike Crocker — Log By SIM Kranyak <br /> Checked 6y Ed Simon/S License No.RCIN 442? <br /> t^ E >> r Description <br /> nU <br /> I o_ s E a n E s d � 0 p W (Color. Texture, Structure) <br /> M.2a j I Trace < 10X. Little 10% to 20%. Some 20% to 215%, And 35% to 50% <br /> I <br /> _2 I <br /> II <br /> 0 Brown silty CLAY (moist) <br /> 1 r f <br /> 2 < < I <br /> i <br /> 4 < < <br /> < < <br /> D I IS I' <br /> g < �^ <br /> < < <br /> 8 < < <br /> 1 < < CL <br /> ko <br /> 12 I< < <br /> r g <br /> 14 < <br /> O <br /> 13 <br /> < < Brown clayey sandy SILT (moist) <br /> I � I � � r. <br /> 1B � < <br /> I I I <br /> < `� <br /> F:L <br /> 20 _ < 21 <br /> 3; LJ Brown silty CLAP <br /> r <br /> 22 ie < <br /> CL <br /> 24 i < <br /> I ML <br />