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Drilling Log <br /> ❑❑❑U�-_-® GROUNDWATER Monitoring Well MW—i <br /> TECHNOLOGY <br /> •Project Chevron-Charter Way, Stockon owner Chevron USA Products Company <br /> Location 508 Charter way, Stockton, CA Prol No 02070 0071 <br /> C h <br /> " " Description <br /> CL CL U a <br /> d)_ 3 E 0-Cl a v (Color, Texture, Structure) <br /> U cn m K ,(A Trace < 10%, Little 10% to 20%. Some 20% to 35%, And 35% to 50% <br /> D <br /> 24 MW-1 CL Sandy silty CLAY (cont) <br /> 34 -2S 7 <br /> Silty CLAY (40 60) green-gray moist moderate hydrocarbon <br /> 6 <br /> 26 15 CL odor <br /> 28 (grades clayey sandy SILT 30 30 40) <br /> ML <br /> 30 MM!-1 <br /> 62 -30 9 <br /> _ 9 <br /> $ Medium SAND greenish gray, well sorted, augular/subangular, loose, <br /> 32 — moist moderate hydrocarbon odor <br /> SP <br /> 34 = <br /> MIN-1 <br /> Encountered Water, 03/15/35, 1018 hrs <br /> — 36 -3535 <br /> 36 = Silty CLAY (25,75) tan moist to wet moderate hydrocarbon odor <br /> CL <br /> 38 <br /> Clayey, silty very fine SAND (20,40,40) dark gray/green gray, <br /> 40 — Mw-1 2 -40 with dark brown plant/twig fragments <br /> 6 <br /> = tt <br /> —_ 11 <br /> - 42ML <br /> 44- - — Clayey SILT (45,55) dark green-gray, wet, moderate degraded <br /> Mw-t hydrocarbon odor <br /> _ 7 -45 8 CL <br /> 46 — i3 5P Lense of medium SAND <br /> - 48 = CL <br /> Clayey medium SAND (10,90) dark green-gray, subrounded, with <br /> 50 — 3 -50-50MW- 10 silty clay lenses, wet, moderate degraded hydrocarbon odor <br /> w <br /> 11 <br /> 17 <br /> 52 End of boring Installed groundwater monitoring well <br /> • 54 <br /> 56 <br /> 04/t2/59951,iNOC-rna'93 Page 2 o1 2 <br />