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Drilling Log <br /> ❑�❑ GROUNDWATER Monitoring Well MW-9 <br /> TECHNOLOGY <br /> • Project _Chevron-W Benjamin Holt, Stockton Owner Chevron USA Products Cofwan See Site Map <br /> Location 2905W Senlamrn Holt Dr, Stockton, CA Prol No 02070 0077 For Boring Location <br /> Surface Eiev, Total Hole Depth 30 ft Diameter 8 In COMMENTS <br /> Top of Casing Water Level Initial 17 ft Static <br /> Screen Dia 2 in Length 20 ft Type/Size 0 020 in +-10 away from Plymouth D*e sign in <br /> Casing Dia 2 In Length 10 ft Type SCh 40 PVC planter <br /> Fill Material 63 Sand Rig/Core CME-7S/Sarlf Spoon <br /> Drill Co SFS, Inc Method Hollow Stem Auger/P10 <br /> Driller Mrke Duff Log By Jason F'edota Date 06120194 Permit IF <br /> Checked By Fd Simonrs License No RG#4422 <br /> C T w <br /> ° W Description <br /> E > r <br /> —y p 'a e O U <br /> a , G a U v ao <br /> cu_ E 0. a E # u MJ in (Color, Texture, Structure) <br /> o r0 ° uu) Trace < IOX, Little 10% to 20%, Some 20% to 36%, And 35% to 50% <br /> -2 <br /> 0 Topsoil over soft silty sandy CLAY <br /> c < <br /> 2 < < CL <br /> c c <br /> 4 < Light brown, some orange,clayey silty very fine SAND (10,40,50) <br /> • < < o Mw_9 2 (dry, soft, no hydrocarbm odor, roots) <br /> 6 -5' 3 <br /> 4 <br /> SM <br /> 8 <br /> Light gray silty fine SAND (15,85) (well sorted, dry, loose.no <br /> 10 _ 2 Mw-9 4 hydrocarbon odor) <br /> -10 5 <br /> 6 <br /> 12 5P <br /> 14 = Light brown/ ra <br /> g g y-orangefblue-green mottled sandy silty CLAY <br /> 40 Mw-9 3 (10,40,50) (moist, moderate hydrocarbon odor) <br /> 16 -15 3 <br /> _ 6 <br /> g Encountered water, 06/20/94, 10 36am <br /> CL <br /> 20 2 Mw-9 4 <br /> -20 6 Dark brown-orange and gay mottled, sandy silty CLAY 120 30,50) <br /> s (moist, no hydrocarbon o6or) <br /> . 22 - <br /> - 24 <br /> I = (water up hammer to 17 ) <br /> 0712111994 Idhiog-mar93 Page 1 of 2 <br />