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00/28/97 16:09 '$510 842 8070 i%EVRON U.S.A. { y 121018/024 <br /> V <br /> I <br /> �I Drilling Log <br /> GROUNDWATER Monitoring Well MW-12 <br /> TECHNOLOGY <br /> .I <br /> Protect Chevron - Slocxlon owner Chevron USA. Products Co. <br /> I Location 45 east Hardno wav Prefect No. 02070 3399 Oate drilled 06129/93 <br /> tc U <br /> v� n Description <br /> i <br /> 1 p~ I e °'n I e x0 �� I N II (Color, Texture, Structure) <br /> L) (Ago <br /> A mx i j Trace < 10%. Little 10% to 20%, Some 20% to 35%. And $5% to 50% <br /> :I Brown and black mottled SILT (continued) <br /> ML <br /> i <br /> ,I <br /> Mw- <br /> 60 <br /> _ 0 e Yellow brown clayey, silty SAh1C: 509.' fine to medium sand. 25% <br /> I• _= :s silt, 25% clay, trace coarse sand (moist, brittle, low <br /> a plasticity, no hydrocarbon odor <br /> 62 <br /> 1. 64 z :. <br /> CL (Grades sandy, silty CLAY: BOX clay, 209, sand. 20% silt) <br /> End of boring. Installed groundwater monitoring well. <br /> sa 1, <br /> I <br /> 70 <br /> I <br /> 7z <br /> 741 j <br /> 75 <br /> 78 <br /> I i <br /> 80 <br /> 82 <br /> i <br /> 84 <br /> 86 I <br /> - 88 <br /> G3g0;!4�31dtiLo-mpeF? `� - P3�,e• ^_ n. <br /> l <br />