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LJLJ® 0 Drilling Log • <br />GROUNDWATER Monitoring Well MW -2 <br />0� TECHNOLOGY <br />Project Chevron -Charter Way, Stockon Owner Chevron USA Products Comoany <br />i oration 508 Charter Way, Stockton CA ProL No. 02070 0071 <br />04/4/1995 I.t Nog-mar93 Page: 2 o1 2 <br />°° <br />i; <br />Description <br />0.. <br />07-r, <br />: n <br />OE <br />a0. <br />m o 'o <br />V ° <br />E Q <br />La <br />4 p <br />41J <br />U <br />y <br />(Color, Texture, Structure) <br />0 <br />ID <br />CD <br />Trace < 10%, Little 10% to 20%, Some 20% to 35%. And 35% to 50% <br />to m0 x <br />24 <br />sc <br />Clayey silty fine SAND (cont). <br />MW -2 <br />< <br />< <br />0 <br />-25' s <br />(grades with very micaceous silty CLAY lenses) <br />26 <br />7 <br />12 <br />u <br />28 <br />30 <br />0 <br />MW -2 <br />-30' 3 <br />— <br />— <br />4 <br />Silty CLAY (40,60 to 20,80): brown -gray, moist, soft to crumbly, no <br />= <br />6 <br />hydrocarbon odor. <br />32 <br />= <br />— <br />CL <br />34 <br />= <br />— <br />—_ <br />0 <br />- 35' 2 <br />-35' <br />Encountered Water, 03/15/95, 1445 hrs. <br />36 <br />= <br />s <br />Silty CLAY (50,50): bluish grey, moist to wet, no hydrocarbon <br />= <br />odor. <br />38 <br />= <br />cL <br />40 <br />= <br />d <br />MW -2 <br />-40' 3 <br />—_ <br />8 <br />— <br />14 <br />— <br />CL <br />42 <br />-44-'-. <br />(grades clayey, silty very fine SAND (30,30,40), wet) <br />—_ <br />MW -2 <br />4.0 <br />-45' 2 <br />46 <br />= <br />a <br />ML <br />48 <br />= <br />50 <br />— <br />= <br />2.0 <br />MW -2 <br />-50' s <br />s <br />Clayey SAND (20,80): light gray, wet. <br />7 <br />SM <br />End of boring. Installed groundwater monitoring well. <br />52 <br />54 <br />56 <br />04/4/1995 I.t Nog-mar93 Page: 2 o1 2 <br />