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Drilling Log <br /> ❑❑❑❑® GROUNDWATER Monitoring Well MW-9 <br /> TECHNOLOGY <br /> Protect Chevron-W Qenjamin Holt Stockton _ owner Chevron USA Products Company <br /> Location 2905 W Benjamin Holt Dr, Stockton CA Prol No 02070 0017 0 <br /> Description <br /> —Gy t] Ct U p Q U <br /> a.- 4r_ r+Q G U iy C <br /> E a E a s o �.j to (Calor, Texture, Structure) <br /> w <br /> to ¢ N Trace < 10%. Little 10% to 20%. Some 20% to 35%, And 35% to 50% <br /> N m x a <br /> 24 cL Dark brown--orange CLAY (cont) <br /> 5 MW-9 4 Light gray, medium to coarse SAND (4tz 70, feldspar 10, RR& mica <br /> -25 6 20) (subrounded, poorly sorted, saturated, loose, no hydrocarbon <br /> 28 8 odor) <br /> SW <br /> 28 <br /> Dark bluish green silty CLAY (t0,90) (stiff, dry, very slight 1,12S <br /> 30 0 Mw-9 5 odor) <br /> -30 7 C! <br /> r 32 —u End of boring Installed Groundwater Monitoring Well <br /> ^34� <br /> 36 <br /> • <br /> 38 <br /> 40 <br /> 42 <br /> 44 <br /> 46 <br /> 48 <br /> 50 <br /> 52 <br /> 54 <br /> 56 <br /> 07/21/t994 GtNog-mar93 Page 2 of 2 <br />