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Drilling Log <br /> ';'� I GROUNDwA- =R Soil Boring SB-4 <br /> ��� TECHNOLO- Y <br /> Project Chevron-S. Center, E ' :k�on owner 2hevron See Site Map <br /> Location 139 South Cenrer, S.. ,;Kon Ca Prol. No. 02070 5039 <br /> For Borfng Location <br /> Surface Elev. Tota. ;-tole Depth 43.5 ft. Diameter COMMENTS <br /> Top of Casing Watt,: Level Initial Static <br /> Screen:Dia Len3rh Type/Size <br /> Casing; Dia Lenc.ih Type <br /> FBI Material Rig/Core CME-55LS20 Soon <br /> Drill Co. SES, Inc- _ Method hollow Stem Auger/PID _ <br /> Driller Morris Peterson Leg 2y Bruce Beale Date 05/13/94 Permit # <br /> Checked By Ed Simonis _ License No. RGA4422 <br /> w 0 e d o - �, Description <br /> a. R n o 0 <br /> a E a m �� (Color, Texture. Structure) <br /> cc <br /> to m x ' j Trace < 10%. Little 10% to 20%. Some 20% to 3SX, And 35% to 50% <br /> --2 <br /> 2" asphalt over 2" concrete <br /> i <br /> i 1 Brown micaceous silty fine SANT] (moist, no hydrocarbon odor) <br /> 2 ! SM <br /> 4 3 � I . <br /> . 0 -5, 4 park brown silty sandy pebbly CLAY (moist, no hydrocarbon odor) <br /> 6 � <br /> CL <br /> g Brown micaceous silty fine SAND <br /> I, <br /> 2 SM <br /> 105B-4 2 <br /> 0 -10' 2 I� Dark gray to brown silty sandy pebbly CLAY (fill) (moist, moderate <br /> t hydrocarbon odor) <br /> 12 CL <br /> 14 1 <br /> 56-4 1 <br /> 3 -15' 1 (grades greenish gray) <br /> CL <br /> i8 <br /> 2 <br /> 20 6 SB-4 1 Brown-a•ay pebbly clayey silty fine SAND (5,10,20,65) (moist, moderate <br /> -20' 1 hydrocarcon odor) <br /> 22 - <br /> SIM <br /> 5 � - <br /> 06/09/1994 Uhlog-mar93 Page: 1 of 2 <br />