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� Drilling Log ,� <br /> GROUNDWATER Soil Boring SB-9 <br /> ❑a� TECHNOLOGY <br /> v <br /> - S. Center. Stockton Owner Chevron USA Products Comoan <br /> Project Chevron Pro i.No. 020768 <br /> Location 139 South Center St., Stockton. Ca <br /> o th Description <br /> u <br /> t^• E to o 0U <br /> a <br /> u m 0 to (Color, Texture, Structure) <br /> CU— ° n o t- N Trace < tOX, Little 10% to 20X, Some 20% to 35X. And 3S% to 50% <br /> Cum E x <br /> 24 Clayey silty fine SAND (15,30,55) interbedded with silty CLAY (30,70): <br /> / brown, dry to damp, no hydrocarbon odor. <br /> SB-9 <br /> 726 14.1 -255 <br /> ?I/C <br /> 28 <br /> Sandy medium-fine 1SAND. drytodwith <br /> amp no hydrocarbonodor- <br /> 30 <br /> dlor ses of silty <br /> 30 se-9 L/ <br /> 77.6 -30.5 <br /> 32 Silty CLAY (30,70) interbedded with clayey SILT (30,70): green-gray. dry <br /> y to damp, slight hydrocarbon odor. <br /> 34 Static water, 12/01/95. 1215 hrs_ <br /> SB-9 <br /> 36 6.6 -35.5 L/ <br /> 38 (grades hydrocarbon odor) <br /> 40 SB-9 <br /> 154 -405 <br /> 42 LY <br /> 44 <br /> SB-7 <br /> 159.8 -45.5 <br /> 46 <br /> L/ <br /> 48 <br /> CL <br /> 50 SB-7 ML End of boring. 12/01/95 <br /> 114 -505' <br /> 52 <br /> 54 <br /> 55 Page: 2 of 2 <br /> ,1/04/1996 5tr,log-dec..93 <br />