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Drilling Log <br /> GROUNDWATER Monitoring Well MW---8 <br /> j�-J TECHNOLOGY <br /> Project Chevron/Stockton owner Chevron USA Products see Site MB <br /> Co For Boring Location <br /> Location 2905 W Benjamin Holt Dr Stockton, CA Pro(. No. P20703831 <br /> Siorfac,: Elev Total Hoke Depth 31.5 ft Diameter 8 in COMMENTS <br /> Top of Casing Water Level Initial 17 ft Static <br /> Screen. Dla 2 in Length 20 ft Type/Size 020 in <br /> Lasung Dla _L—In Length /0 It Type SCH 40 PVC <br /> FRI Material #3 Sand Rig/Core CME-7515,011t Soon <br /> Drill Co. SES Inc Method Hollow Stem Au er/PID <br /> Driller Morris Peterson Log By Bruce Beale Date 12113/93 Permit <br /> Checked By Ed S,moms License No. R604422 <br /> ° .2 Description <br /> a�` l e a lis C") (Color, Texture, Structure) <br /> v m K a a 'race < 10X, Little t= to 20%. Some 20X to 35%. And 35% to 50% <br /> r <br /> - -2 <br /> Gfass_over dark brown-sandy-s4ty CLAY (5;20,75) with roots - <br /> Ct_ (moist, no hydrocarbon odor) <br /> 2 < < <br /> Light brown clayey silty fine SAND (5,30,65) <br /> 0 Mw-8 5 <br /> w D < < -5 B <br /> Light tan-orange and yellow silty fine to coarse SAND (30,70) <br /> (dry, no hydrocarbon odor) <br /> 8 <br /> 10 — 10 sw <br /> _ 0 MH-8 16 <br /> -10 18 <br /> 12 - <br /> (grades gray) <br /> i4 <br /> Gray clayey silty fine to coarse SAND (5,20,75) with weathered <br /> — 8 mica <br /> I — 0 Mw-8 8 <br /> 18 — -is* a <br /> SH <br /> Encountered water, 12/13/93, 1005 hrs <br /> 1$ <br /> l Brown-orange silty SAND (wet no hydrocarbon odor) <br /> 2Q - = 11 <br /> 0 MW-8 17 l <br /> -20 33 <br /> — 5w <br /> 22 - <br /> - 24 - - <br /> Page <br /> 2 24Page 1 of 2 <br /> i 02/21/1894 iithiog—mar93 <br />