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Drilling Log <br /> ❑�❑❑® GROUNDWATER Monitoring Well Mtn!-9 <br /> TECHNOLOGY <br /> Project Chevron-W Benlamrn Holt, Stockton Owner Chevron USA Products Company <br /> Location 2945 W 8enlamrn Holt Dr, Stockton, CA Prof No 02070 0017 <br /> ° ° @ Description <br /> —v Q <br /> :, E m 'o 0 0 v <br /> a_ W— w a a U t1 G p <br /> o_. X E a.a o �� N (Color. Texture, Structure) <br /> U m ? Trace < 10%. Little 10% to 20%, Some 20% to 35%, And 35X to 50% <br /> 24 Dark brown-orange CLAY (cont) <br /> _ 5 Mw-9 a Light gray medium to coarse SAND (qtz 70, feldspar 10, RF G mica <br /> -25 B 20) (subrounded, poorly sorted, saturated, loose, no hydrocarbon <br /> 26 — 8 odor) <br /> Sw <br /> 28 <br /> Dark bluish green silty CLAY (10,90) (stiff, dry, very slight H2S <br /> 30 a MW--9s odor) <br /> -30 7 c� <br /> 11 32 End of boring Installed Groundwater Monitoring Well <br /> 34 <br /> • 36 <br /> 38 <br /> 40 <br /> 42 <br /> 44 <br /> 46 <br /> 48 <br /> 50 <br /> 52 <br /> • 54 <br /> 56 <br /> 07/21/I994 Gthlag-rssar93 <br /> Page 2 of 2 <br />