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❑� GROUNDWATER <br /> ❑0� TECHNOLOGY, INC. Monitoring Well I5A <br /> Drilling Log <br /> 5 <br /> E €aE S Description/Soil Classification <br /> UaZ (Color, Texture, Structures) <br /> 4 Brown, very fine sandy silt with some micas <br /> M L (stiff, moist, no product odor) (cont'd.) . <br /> - 58 - (grades medium to coarse sandy silt) <br /> M (grades abundant micas) <br /> ND Brown, medium sand with abundant micas dense, <br /> 6 D wet, no product odor) . <br /> 62 :SF. <br /> (grades iron stained) <br /> (grades moist)-64-Brown, silty, very fine sand with abundant micas <br /> .r' ND SM ; (dense, moist, no product odor) . <br /> , <br /> 6 6 M Brown, very fine sandy silt with some coarse sand <br /> (stiff, wet, no product odor) . <br /> 6 8I Brown, silty, very fine sand with abundant micas <br /> O SM; and some coarse sand lamina up to 0.5-foot <br /> thick (dense, wet, no product odor) . <br /> 70 ND �' (grades some clay) <br /> NCL Brown, silty clay with no micas (stiff, wet, <br /> no product odor) . <br /> 72 - Brown, clayey silt with some clay lamina up to <br /> ML 5mm thick (stiff, wet, no product odor) . <br /> - 74 - ND P <br /> End of boring; Installed monitoring well. <br /> 76 <br /> 78 <br /> 8D <br /> 82 <br /> 84 <br /> 86 <br /> MARCH 21st, 1989 - REV. G Page-of-3 <br />