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Drilling Log <br /> GROUNDWATER Monitoring Well MW-9 <br /> EEITECHNOLOGY <br /> Project Chevron-W Benjamm Holt, Stockton Owner Chevron USA Products Comoany See Site Map <br /> Location 2905 W Benjamin Holt Dr, Stockton, CAProf No Q2070 0017 For Boring Location <br /> Surface Elev 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 Drive sign in <br /> Casing Dia 2 in Length /Oft Type SCh 40 PVC Atanter <br /> Fill Material #3 Sand Rig/Core CME-75/6pilt 5poon <br /> Drill Co SES Inc Method Hollow Stem Auger/PID <br /> Driller .Mike Duffy Log By Jason Fedota Date 08/20/94 Permit # <br /> Checked 13y Ed Simon's License No RG-04422 <br /> " 9 Description <br /> n� da �a U c CL U <br /> Q.1 3 C a s E (Color, Texture, Structure) <br /> 1p ° N Trace < 10%, Little 10% to 20%. Some 20% to 35%. And 35% to 50% <br /> U in m x a <br /> --2 <br /> Topsoil over soft silty sandy CLAY <br /> c < <br /> 2 < < CL <br /> 4 < < <br /> Light brown, some orange, clayey silty very fine SAND (10,40,50) <br /> < < o MW-9 2 (dry, soft, no hydrocarbon 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 i <br /> 6 <br /> 12 _ 5P <br /> 14 — Light brown/gray--orange/blue-green mottled sandy silty CLAY <br /> 40 Mw-9 3 (10,40,50) (most, moderate hydrocarbon odor) <br /> 16 - -15 3 <br /> _ s <br /> Q Encountered Water 06/20/94, 10 36am <br /> 18 <br /> CL <br /> 20 - <br /> 2 - 9 <br /> 20 6 Dark brown-orange and gray mottled, sandy silty CLAY (20,3050) <br /> B (most no hydrocarbon odor) <br /> 22 - <br /> 24 (water up hammer to 17 ) <br /> 07/21/19941dhlog-mar93 Page 1 of 2 <br />