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Drilling Log <br /> GROUNDWATER Monitoring well MW-40 <br /> —_ ��1❑ TECHNOLOGY- <br /> Project Chevron/E Hardtno Owner Chevron USA Products Co <br /> Location Stockton Ca Project No 02320-2672 Date drilled 05/11/82 <br /> 01-` <br /> H <br /> n o, ° Description <br /> L1: `cu ,,a n0 Qp U <br /> � <br /> ` d a E ; (D (Color, Texture, Structure) <br /> 0 I om UL)' <br /> Trace < 10%, Little 10% to 20%. Some 20% to 35%, And 35% to SOX <br /> 56 27 I Brown clayey SILT (continued) <br /> 58 <br /> Brown clayey SILT with some fine sand (soft, very moist) <br /> 60 — <br /> ML <br /> 13 <br /> L 14 <br /> 56 <br /> 62 = Encountered,groundwater at 62 feet on 05111/82 (1300 hours) <br /> Brown silty sandy CLAY with minor pebbles <br /> 64 = <br /> 0 <br /> 66 M 17 <br /> 21 <br /> 68 <br /> CL <br /> 70 - 0 20 <br /> N 23 <br /> 2r <br /> - 72 - <br /> 74 - <br /> End <br /> 2 74End of boring at 75 0 feet- Installed groundwater monitoring well <br /> 76 <br /> 78 <br /> 80 <br /> 82 <br /> - 84 - <br /> 07/2011992 hthlog-marQ <br /> 407/20119921thlog-mar92 Page 3 of 3 <br />