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03/28/97 16:02 'x51084 89701 CHEVRON Ii,S,:4, � [601-5/024 <br /> Drilling Log <br /> JIJ� GROUNDWATER Monitoring Well MW-11 <br /> TECHNOLOGY <br /> Project Cnevron/_. bard%no Owher Chevron U.S.A. Product: Co. <br /> Lnootion Stockton. Ca. Project No. 0?320-26)2 Date oriued 05/11/92 <br /> C !2'z;�_° o gwrm Description <br /> w 13 0. a E r.G rJ� m I (Color, Texture, Structure) <br /> w m©K M Trace < 10X, Little 10X to 20X,. Some 2OX to 35x. ane 35X to SOX <br /> I j <br /> 56 — o ! Dark brown sandy clayey SILT (continued) <br /> — I <br /> 58 <br /> — (grades brown clayey SILT) <br /> 60 = ML <br /> i, = 0 s <br /> L e <br /> ,0 4, Encountered groundwater a( 60 feet on 05/11/92. <br /> 62 <br /> — g <br /> Brown silty CLAY <br /> fi4 = / <br /> 0 is <br /> = " 2' <br /> 66 <br /> �z <br /> 68 <br /> CL <br /> 70 = 0 s <br /> X . N :e <br /> — zS <br /> 72 = (grades with minor line send) <br /> ;I <br /> 74 _ <br /> 76 I End of boring at 75.0 feet. Installed groundwater monitoring well. <br /> 781 <br /> 80 - <br /> 62 <br /> 0 82 <br /> l I <br /> 84 <br /> 8611 <br />