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I 09/28l97 15:5A $51:12 .4970 CHEVRON U.S.A, <br /> 0010/024 <br /> 1 <br /> Drilling Log <br /> ❑❑� GROUNDWATER Monitoring Well MW-10 <br /> TECHNOLOGY <br /> Project ChevrDn/E. HaMno Owner Cnevron U.S.A. Products Co. See Site Map <br /> Location Stockton. Ca. Project No. 02320-2677 pate drilled 05/n/92 For Boring Location <br /> Surface Elev. 12,77 ft, Total Hole Depth 75.0 ft. Diameter 0.67 ft. COMMENTS <br /> Top of Casing 12,40 ft. Hater Level Initial 62.0 ft. Statin 53.93 ft. <br /> Screen: Dia 2 in Length 30 +l_ - Type/Size 0.020 in. <br /> Casing:Ola 2 in. Length 45 L Type ICH do PVC <br /> Filter Pack Material +r3 sand Rig/Core Type CME 75/Solil Spoon <br /> Drilling Company Kvilhdu0 well Drillina Method, Hollow Stem Aucer Permit d 920990 <br /> Driller !•tike Crocker Log By Steve Kranvak <br /> Checked By Ed Simons _ License No.RGil 4422 _ <br /> va; t� Description <br /> U <br /> v x a a s e s v I m u (Color, Texture, Structure) <br /> f7` U f mmx IOX. Littl <br /> Trace < e tax to 20X. Some 20X to 35X, And 35% to SOX <br /> Q Dark brown silty CLAY (moist) <br /> 2 < < <br /> 4 < <br /> II <br /> < < 0 0 <br /> 6 a 27 <br /> 27 <br /> r r ro< < <br /> CL <br /> 8 <br /> (grapes 'brown) <br /> < c <br /> 10 < < 0 <br /> < FRx <br /> < s z< <br /> 3 <br /> 12 < <br /> < < 1 Brown clayey SILT with some minor fine sand (slightly moist) <br /> 14 < < <br /> Ivr r22 <br /> Il ML <br /> 20. < < 0 z, Brown Clayey sandy SILT (moist) <br /> L24 <br /> 0l` II . <br /> Pace: 1 01 3 <br /> 07/20/1992 id�iag-�d�5: - <br />