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t <br /> Drilling Log <br /> ❑D❑❑® GROUNDWATER Monitoring Well MW-11 <br /> TECHNOLOGY <br /> 40Prolect Chevron/E Hardrna Owner Chevron USA Products Co <br /> Location Stockton Ca Protect No 02320-2872 Date drilled 05/11/92 <br /> Ca�T H <br /> N Description <br /> a: w— , ,a &00' CL 00) v p <br /> a) a as m_j yr <br /> o-- 3:0 U (Color, Texture, Structure) <br /> vymK � Trace < 10X, Little 10% to 20%, Some 20% to 35%, And 35% to 50% <br /> t - 66 s E Dark brown sandy clayey SILT (continued) <br /> - 58 - <br /> (grades brown clayey SILT) <br /> so = ML <br /> — o <br /> L t8 <br /> 1B g Encountered groundwater at 610 feet on 05/11/92 <br /> 62 <br /> Brown silty CLAY <br /> 64 = <br /> 0 15 <br /> 66 = M 27 <br /> 32 <br /> 32 <br /> 68 <br /> CL <br /> - 70 - = 0 1s <br /> nt to <br /> 25 <br /> 72 (grades with minor fine sand) <br /> 74 76 <br /> End of boring at 75 C feet Installed groundwater monitoring well <br /> 78 <br /> - 80 - <br /> 82 - <br /> - 84 - <br /> 86 - <br /> 07/20/1992 <br /> 082848607/20/1992 h1hlog-mar92 Page 3 of 3 <br />