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Drilling Lag <br /> TI?01 <br /> GROUNDWATER Monitoring well MW-12 <br /> TECHNOLOGY <br /> Project Chevron - Stockton owner Ch?vron USA Products CO <br /> Location 45 Sas} Hardrno Kev Prosect No 02070 3399 Date drilled 06/29/93 <br /> c der <br /> 4 ... C U 4n <br /> Description <br /> ,.r R a U U Q p U <br /> � �n E #v m� En (Color, Texture, Structure) <br /> U WFOX W Trace < 10%. Little 10% to 20%. Some 20 to 35X, And 35: to 50% <br /> M <br /> �6 13 Brown and black mottled SILT (continued) <br /> ML <br /> 56 <br /> _ FaW- <br /> 60 Yellow brown cla silty SAND 50-ftlineto medium sand, 25% <br /> D e Y�Y, Y <br /> 1; SC silt 25% clay, trace coarse sand {moist, brittle, low <br /> 19 plasticity no hydrocarbon odor <br /> fit <br /> s� — <br /> CL (Grades sandy, silty CLAY 60% clay, 20% sand 20% silt) <br /> 66 , <br /> End of boring installed groundwater monitoring well <br /> 68 <br /> -70- <br /> 72 - <br /> -74 - <br /> 76 - <br /> - 60- <br /> B4 <br /> D72747sBDB4 <br /> Bs <br /> BB <br />