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Drilling Log <br /> ❑❑❑❑❑� GROUNDWATER Monitoring Well MW-11 <br /> TECHNOLOGY <br /> Project Chevron/E H3rd1n0 Owner Chevron US A Products Co <br /> Location Stockton Ca Project No 02320-2672 Date drilled 05111192 <br /> �-- `° 2 to Description <br /> a <br /> a� W-T QQ auU ao v <br /> v— E a a E ; (D-J rn (Color, Texture, Structure) <br /> v (0 0a: <br /> (n Trace < 10%, Little 10% to 20%, Some 20% to 35%, And 35% to 50% <br /> 24 Brown clayey SILT <br /> < < 0 13 <br /> 25 <br /> - 26 — < E 35 <br /> 28 Z < ML <br /> 30 0 23 <br /> [ < F 32 <br /> 25 <br /> 32 < < <br /> Brown silty CLAY <br /> 34 < < <br /> < 0 17 <br /> G 21 <br /> 2s <br /> 38 CL <br /> - 40— 0 20 <br /> H 25 (grades brown and gray mottled) <br /> 33 <br /> 42 <br /> Brown sandy clayey SILT (most no hydrocarbon odor) <br /> 44 <br /> 0 15 <br /> 46 = I zz <br /> — 27 <br /> 48 <br /> ML <br /> 50 = 0 22 <br /> J 21 <br /> - 52 - <br /> - 54 — <br /> J 2 � i5 <br /> G - � <br /> 54 = {grades dark brown) <br /> 0 1s <br /> 56 �I K yg If <br /> 07/20/1992 Nnlog-ma 92 Page 2 of 3 <br />