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Drilling Log <br /> ❑0❑ GROUNDWATER SOLI Boring SB-11 <br /> TECHNOLOGY <br /> Project Chevron-E Harding, Stockton Owner Chevron USA Products Company See Site Map <br /> 45 East Harding Way, Stockton, CA 02070 0139 For Boring Location <br /> Location Prol No <br /> Surface Elev Total Hole Depth 51 0 Diameter 8 in COMMENTS <br /> Top of Casing Water Level Initial 50 ft Static 433 ft <br /> Screen Dia Length Type/Size <br /> Casing Dia Length Type <br /> Fill Material Neat Cement Rig/Core CME-55/Spilt Spoon <br /> Drill Co SES, Inc Method Hollow Stem Au_ger/PIQ <br /> Driller Tyke Van Zandt Log By Brian McAloon Date 08/01/95 Permit # 006159 <br /> Checked By Ed Simonis License No R6#4422 <br /> .. N ❑@SCrI 11 <br /> r., �e o t110 <br /> ai m P <br /> *' o U <br /> a� M a a U u ap <br /> a)_ a s E a � @-j N (Color, Texture, Structure) <br /> D m X Trace < 10%, Little 10% to 20%. Some 20% to 35%, And 35% to 50% <br /> _2 <br /> I <br /> Topsoil <br /> ML Gravelly clayey SILT (40,30,30) brown, backfill <br /> 2 <br /> Clayey SILT/silty CLAY (50,50) brown, dry, no hydrocarbon odor <br /> 4 ,5 <br /> 6 SB-11 16 <br /> -80 <br /> (grades with 5% black inclusions (2-3mm)) i <br /> 100 0 14 <br /> SB--11 18 vC <br /> -110 <br /> 12 <br /> 14 t3 (grades sandy with root casts) <br /> 0 17 <br /> se-11 20 <br /> 16 <br /> 16 <br /> 20 22 (grades with 5% root tracks (2mm diameter)) <br /> SB-11 25 <br /> -210 ML <br /> 22 <br /> - 24 - <br /> 07/14/1995 itN09-mar9 <br /> 407/14/19951tN09-mar93 Page I Ot 2 <br />