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Drilling Log <br /> ❑❑� GROUNDWATER Monitoring Well MW-11 <br /> ❑❑❑ TECHNOLOGY <br /> Project Chevron7E. Harding owner Chevron O.S.A. Produc(s Co. See Site Map <br /> Stockton. Ca. 02320-2672 05711792 For Boring Location <br /> Location Project No. Date drilled <br /> Surface Elev. 11.19 ft. Total Hole Depth 75.0 ft- Diameter 0.67 It. COMMENTS: <br /> Top of Casing 10.7f ft. Water Level Initial 610 ft. Static 52.60 1t. <br /> Screen: Dia 2 in. Length 30 ft- Type/Size 0.020 in. <br /> Casing: Dia 2 in. Length 43 ft. Type SCH 40 PVC <br /> Filler Pack Material +93 sand Rig/Core Type CME 757SPlit Spoon <br /> Drilling Company Kvilhaug Well Drilling Method Hollow Stem Auger permit # 920990 <br /> Driller Mike Crocker Log By Steve Kranyak <br /> Checked By Ed Simonis License No.Rha 4422 <br /> O T r <br /> Description <br /> t E �, t ° p <br /> a. vn o <br /> N00 O1 U <br /> m - 3E E z o 1p0 0 (Color, Texture, Structure) <br /> U0 6M c0 U Trace < 10%. Little 10% to 20%. Some 20% to 35%. And 35% to 50% <br /> EnFnx <br /> -2 <br /> 0 Brown silty CLAY (moist) <br /> 2 < <br /> 4 < <br /> < < 0 5 <br /> A 17 <br /> 6 < < 19 <br /> 8 < < <br /> CL <br /> 10 < < D u <br /> 'r lqr B 20 <br /> 29 <br /> < < <br /> 4r 14 r <br /> 12 < <br /> 14 < <br /> I < < <br /> 0 <br /> 16 J < 3 <br /> < C Z; <br /> I< < Brown clayey sandy SILT (moist) <br /> r r <br /> 18 < < <br /> < < ML <br /> 20 < < 0 n <br /> Y < D 21 <br /> 35 Brown silty CLAY <br /> , r 4t22 - .4 < <br /> < < CL <br /> 24 < < ML <br /> 07720/1992 Kw09-mar92 Page: I of 3 <br />