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n 0 Drilling Log 0 <br />❑❑❑U11� GROUNDWATER Monitoring Well MW -3 <br />TECHNOLOGY <br />Project Chevron -Charter way, Stockon Owner Chevron USA Products Comoany <br />Location 508 Charter way, Stockton, CA Prof. No. 02070 0071 <br />Z <br />C <br />c' T <br />; g o <br />tQ <br />n <br />Description <br />o <br />�� <br />a o <br />an <br />a s <br />p U 0 <br />s+ <br />W <br />n0 <br />(Color, Texture, Structure) <br />v <br />o <br />(n m x <br />V) <br />Trace < 10%, Little 10% to 20%, Some 20% to 35%, And 35% to 50% <br />24 <br />Sandy silty CLAY (cont). <br />< <br />< <br />2 <br />MW -3 <br />-25' S <br />CL <br />26 <br />9 <br />12 <br />Sandy clayey CILT (10,20,70): mottled green -gray and brown, <br />moist, no hydrocarbon odor. <br />28 <br />CL <br />(grades green -bluish gray and slight hydrocarbon odor) <br />30 <br />MW -3 <br />17 <br />-30' 6 <br />= <br />7 <br />CLAY: blue gray, moist, very frim, with brown dendritic roots and <br />= <br />8 <br />root casts. <br />32 <br />= <br />cL <br />34 <br />= <br />Silty CLAY (30,70): blue -gray, very moist, moderate to strong <br />—_ <br />MW -3 <br />degraded hydrocarbon odor. <br />297 <br />-35' <br />3 <br />36 <br />= <br />s <br />CL <br />-38-= <br />= <br />Fine to medium sandy CLAY (40,60): wet, moderate to strong <br />40 <br />-_ <br />MW -3 <br />Sc <br />hydrocarbon odor: grades clayey sand. <br />= <br />.� <br />350 <br />-40' 6 <br />2 <br />Encountered water, 03/16/95, 1105 hrs. <br />= <br />— <br />6 <br />Medium to coarse SAND: green -gray, wet, clean, loose, moderate <br />42 <br />= <br />to strong hydrocarbon odor. <br />44 <br />= <br />Mw -3 <br />120 <br />-45' 10 <br />46 <br />= <br />12 <br />14 <br />SW <br />-48- <br />8MW-3 <br />50 <br />— <br />MW-3 <br />.' <br />335 <br />-50' 9 <br />It <br />is <br />End of boring. Installed groundwater monitoring well. <br />52 <br />-54-L <br />1 <br />04/12/1995 wNo9-mar93 Page: 2 of 2 <br />