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Drilling Log <br /> -100 TECHNOGROUNDLOGY Vapor Point V-6 <br /> Project Chevron/E. Hardino owner Chevron U.S.A. Products Co See Site Map <br /> Location Stockton. Ca. Project No. 02320-2672For Boring Location <br /> Date drilled 05/12/92 <br /> Surface Elev. 12.03 ft. Total Hole Depth 290 ft. Diameter 0.67 ft. <br /> Top of Casing 112° ft. Eater Level Initial Static COMMENTS: <br /> Screen: Dia 2 in. Length t0 ft. Type/Size 0.020 in. <br /> Casing: Dia 2 i . Length 19 ft. Type SCH 40 PVC <br /> Filter Pack Material #'3 sand Rig/Core Type CME 75/Soli( SDoon <br /> Drilling Company Kvilhaua Well Drilling Method Hollow Stem Auger Permit # 920990 <br /> Driller Mike Crocker Log By Steve Kran-ak <br /> Checked By Ed Simons License No.RG#' 4422 <br /> o <br /> . c U w <br /> a- 0E QJoo -C '0 Description <br /> n" ;E da CL <br /> E31u `°J u, (Color, Texture, Structure) <br /> ° 10 °¢ j Trace < 10 ., Little tOX to 20%. Some 20X to 35%. And 35X to SOX <br /> U to FDR <br /> —2 <br /> 0 <br /> 2 c < Brown clayey SILT (moist) <br /> 4 ` ` ML <br /> 0 9 <br /> 6 < < A 12 <br /> n <br /> 8 ` ` Brown silty CLAY (medium stiff, moist) <br /> 10 < < Io u <br /> c B 15 <br /> 12 ` <br /> 14 ` < <br /> 0 15 <br /> l6 C 22 _ <br /> 25 CL <br /> 18 <br /> 20 = 0 15 <br /> D 21 <br /> 30 <br /> - 22 - <br /> - 24 - <br /> 07120/1992 <br /> 2 24 07/20/1992 GtNoa-mar92 Paoe: I of 2 <br />