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Drilling Log <br /> GROUNDWATER Monitoring Well Mw-8 <br /> BEITECHNOLOGY <br /> • Proiect Chevron-W Benlamrn Holt, Stockton Owner Chevron USA Products Company <br /> Location 2905 W Benjamin Holt Or, Stockton CA Pro] No 02070 0017 <br /> C <br /> _ <br /> � o <br /> C) d °� Description <br /> a)a as a U u �° v <br /> (Color, Texture, Structure) <br /> :r0 2 K taJ ? Trace < 10X, Little 10% to 20%, Some 20X to 35%, And 35% to 50% <br /> 24 — cl Dark brown-orange CLAY (cont ) <br /> 5 Mw-94 <br /> Light gray, medium to coarse SAND (qtz 70, feldspar 10, RF 9 mica <br /> -25 6 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 — fl M�_9 $ odor) <br /> -3fl 7 CL <br /> fl <br /> 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 /> 07/21/1994 <br /> 43638404244464850525407/21/1994 hthlog-mar93 Page 2 of 2 <br />