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Advanced BORING LOG <br /> GeoEnvironmental, Inc. BOREHOLE NO MW-4 <br /> r 837 Shaw Road, Stockton, CA 95215' '(209)467-1006 FAX (209)467-1118 TOTAL DEPTH 93 <br /> IProject Pacific Auto Center/Meek's RV Drilling Co Mitchell Drilling Environmental <br /> Site Location 25355 N Hwy 99 Rig/Auger Type CME 75, 8 25" HSA <br /> Acampo, CA Logged By Eyrene L Fisher <br /> Reviewed By William Little <br /> Project No AGE-NC-98-0540 Date(s) Drilled 09 June 2005 <br /> Notes Boring single-completed as a 2-inch diameter a Water level during drilling Page 1 of 3 <br /> ground water monitoring well = Water level in completed well <br /> Depth Sample Blows PID Soil USCS Class and Well Well <br /> ID (per 6") (ppm) Symbol Soil Description Completion Description <br /> C Well cover chnsty box <br /> r <br /> I ML Dark brown,moist,SILT,some micas visible <br /> 5 and organics,trace gravel,moderate consistency, <br /> MW4-5 11/11/50 earthy odor <br /> for 6" <br /> CL Brown,dry,SILTY CLAY trace gravel 'hard' <br /> 10— MW4-10 4/9/14 and'bnttle',earthy odor Grout seal from 0 5'to <br /> 65'bsg <br /> SM Green brown damp,SILTY SAND,very fine <br /> _15— — sand white precipitate and black organic'spots' <br /> MW4-15 9112120 — visible,no hydrocarbon(HC)odor <br />' SP Orange brown to gray brown,damp,SAND,fine <br /> _20— sand,no fines,loose,no HC odor,in sharp contact <br /> MW4-20 1019114 with <br /> ML Orange brown to gray brown,damp,CLAYEY <br /> SILT,30%clay,moderate consistency,plasticity and <br /> toughness,no HC odor <br /> Grout seal from 0 Y to <br /> 65'bsg <br /> CL Brown to gray brown,dry to damp,SANDY <br /> -2 5 CLAY,20%fine sand,moderate to high consistency <br /> MW4-25 6/8/11 moderate plasticity and toughness,no HC odor <br /> } SM Yellow gray,dry to damp,SILTY SAND,10% <br /> silt,loose,no HC odor <br /> CL Brown to gray-brown,dry to damp,SANDY <br /> ICLAY,no HC odor <br />