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Drilling Log <br /> ❑D❑❑® GROUNDWATER Monitoring Well MW-10 <br /> TECHNOLOGY <br /> Chevron/E Hardino Chevron USA PrOdUCt5 Co <br /> Project Owner <br /> Location Stockton Ca Project No 02320-2672 Date drilled 05119292 <br /> O C►, U <br /> FJ <br /> or0. 0, o; �� Description <br /> �-� E o a e x v '� U (Color, Texture, Structure) <br /> U �mx CD � Trace < 10%, Little 10% to 20%, Some 20% to 35%. And 35% to 50% <br /> 56 27 C Brown clayey SILT (continued) <br /> 58 = Brown clayey SILT with some fine sand (soft, very moist) <br /> ML <br /> s0 0 13 <br /> L 14 <br /> _ 56 <br /> 62 = Encountered groundwater at 62 feet on 05/11/92 (1300 hours) <br /> Brown silty sandy CLAY with minor pebbles <br /> 64 = <br /> 0 1t <br /> 66 — M 17 <br /> 21 <br /> 68 <br /> cl_ <br /> 7 0 = 0 20 <br /> N 23 <br /> 21 <br /> _ 72 - <br /> - 74 - <br /> - <br /> = <br /> 76 End of boring at 75 0 feet Installed groundwater monitoring well <br /> 78 <br /> - 80 - <br /> - 82 — <br /> - 64 - <br /> 86 <br /> 88 <br /> F 11 11 <br /> 07/20/19921dhlog-mar92 Page 3 of 3 <br />