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Drilling Log <br /> ❑❑® GROUNDWATER Monitoring Well MW--11 <br /> ❑❑❑-TECHNOLOGY - -- _ -- -- - <br /> Project Chevron/E Hard+no Owner Chevron USA Products Co <br /> Location Stockton, Ca Project No 02320-2672 pate drilled 05111/92 <br /> CO1,T 44 N <br /> o <br /> " `1 Description <br /> 'a <br /> o.. CL ZL <br /> a Eau co-jcn (Color, Texture, Structure) <br /> v M-�° 0 ? Trace < 10% Little 10% to 20% Some 20% to 35%, And 35% to 50% <br /> 56 _ s Dark brown sandy clayey SILT (continued) <br /> 58 (grades brown clayey SILT) <br /> ML <br /> 60 <br /> Q 15 <br /> L 18 V Encountered groundwater at 610 feet on 05/11/92 <br /> , <br /> 62 <br /> Brown silty CLAY <br /> 64 <br /> 015 <br /> 27 <br /> 66 — M 32 <br /> i 6$ <br /> CL <br /> 70 = Q <br /> N a8 <br /> — 25 <br /> 72 (grades with minor fine sand) <br /> 74 <br /> End of boring at 75 0 feet installed groundwater monitoring well <br /> - 76- <br /> 78 - <br /> -80 - <br /> - 82 - <br /> -64 - <br /> 86 <br /> s788082848fi , <br /> 88 <br /> 07120/19921itNog-mar92 Page 3 of 3 <br />