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Drilling Log <br /> ❑® GROUNDWATER Monitorin W <br /> E:11 <br /> TECHNOLOGY g ell MW--it <br /> 1� <br /> Project Chevron/E Harding Owner Chevron USA Products Co <br /> Location Stockton Ca Project No 02320-287205111/92 <br /> Date drilled <br /> n vQ oo ZC" Description <br /> E °Q E s �� N (Color, Texture, Structure) <br /> om o� vUi Trace < 10%, Little 10% to 20%, Some 20% to 35%, And 35% to 50% <br /> 0 (n FDX � <br /> - 24 — .- Brown clayey SILT <br /> < < 0 13 <br /> 26 < E 25 <br /> 35 <br /> 28 < <br /> ML <br /> c < <br /> 30 0 23 <br /> < F 32 <br /> 25 <br /> 32 < < <br /> Brown silty CLAY <br /> 4t r <br /> 34 < < <br /> < < <br /> D 17 <br /> 21 <br /> 36 < 266 <br /> 38 CL <br /> - 40- 0 20 <br /> N 25 (grades brown and gray mottled) <br /> 33 <br /> 42 _ <br /> Brown sandy clayey SILT`(moist, no hydrocarbon odor) <br /> 44 <br /> D 15 <br /> 27 _ <br /> 48 — <br /> ML <br /> - 50- _ 0 22 <br /> J 21 <br /> I$ <br /> 52 <br /> l 54 _ (grades dark brown) <br /> — D 1e <br /> 66L K 39 <br /> -LIHI <br /> 0712011992 ktNog—mar92 <br /> Page 2 of 3 <br />