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Drilling Log <br /> UU© <br /> ❑ GROUNDWATER <br /> ❑ TECHNOLOGY Monitoring Well MW-2 <br /> Project Chevron-Charter wa Stockon Owner Chevron USA Products C2m2any <br /> Location 508 Charter way, Stockton CA Pro4• No. 02070 0071 <br /> C: 0 T vi <br /> O <br /> U <br /> a~ a a s v o o t�, Description <br /> n` E a x o t0-' (Color, Texture, Structure) <br /> o f° m K (D () Trace < 10%, Little 10% to 20%, Some 20% to 35%, And 35% to 50% <br /> U Vi <br /> 24 <br /> Mw-z SC Clayey silty fine SAND (cont). <br /> < < <br /> 0 -25' 6 (gra(les with very micaceous silty CLAY lenses) <br /> 26 <br /> 12 <br /> X/ <br /> 28 <br /> Mw-2 <br /> 30 <br /> fl -30' 3 <br /> 4 Silty CLAY (40,60 to 20,80): brown-gray, moist, soft to crumbly, no <br /> 6 hydrocarbon odor. <br /> 32 — <br /> cL <br /> 34 — <br /> Mw-2 <br /> 0 -35' 2 Encountered Water, 03/15/95, 1445 hrs. <br /> 38 3 <br /> B Silty CLAY (50,50): bluish grey, moist to wet, no hydrocarbon <br /> odor. <br /> 3$ CL <br /> 40 — <br /> = Mw-2 <br /> 0 -40' 3 <br /> 8 <br /> 14 <br /> 42 CL <br /> 44 <br /> Mw-2 (grades clayey, silty very fine SAND (30,30,40), wet) <br /> 4.0 -45' 2 <br /> 46 a <br /> ML <br /> - 48 - <br /> 50 — Mw- <br /> E350Mw-2 <br /> 2.0 -50' 5 <br /> 6 Clayey SAND (20,80): light gray, wet. <br /> 7 SM <br /> 52 End of boring. Installed groundwater monitoring well. <br /> 54 <br /> - 56 <br /> Oan2/1995 ld"OQ-tnar93 <br /> Page: 2 of 2 <br />