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Drilling Log <br /> GROUNDWATER Monitoring Well MW-10 <br /> BBMTECHNOLOGY <br /> Project Chevron/E Hardno Owner Chevron USA Products Co <br /> Location Stockton Ca Prolect No 02320-2672 pate drilled 05111192 <br /> l* Q r T N <br /> -;, ❑ v zM ) Description <br /> a� n,_ .ra U0 a° <br /> 0 � E � a E 3 v °-j ! � (Color, Texture, Structure) <br /> ° °� 0 ! Trace < 10--, Little 10X to 20%. Some 20% to 35% And 35X to 50% <br /> U NmX iii <br /> -j`- 56 27 gown clayey SILT (continued) <br /> 58 <br /> Brown clayev SILT with some fine sand (soft, very moist) <br /> 60 — D 13 Mi <br /> L 14 <br /> _ 513 <br /> 62 y Encounrered groundwater at 62 feet on 05/11/92 (1300 hours) <br /> Brown silty sandy CLAY with minor pebbles <br /> 64 = <br /> 0 1, <br /> 66 r� 17 <br /> zl <br /> 68 = <br /> CL <br /> 70 -1 <br /> 0 20 <br /> N 23 <br /> 21 <br /> - 72 - <br /> 74 - <br /> LE <br /> 2 74 — <br /> 76 End of boring at 75 0 feet` Installed groundwater monttormg well <br /> 78 - <br /> - 80- <br /> - 82 - <br /> 84 <br /> 8 808284 <br /> B6 <br /> 88 <br /> o,/20/19K litNog—mar82 Paae 3 of 3 <br />