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Advanced BORING LOG <br /> GeoEnvironmental, Inc. BOREHOLE NO P-22 <br /> 4005 North Wilson Way, Stockton, CA 95205 <br /> (209)467-1006 FAX (209)467-1118 TOTAL DEPTH 20 Feet <br /> Project FLAG CITY CHEVRON Drilling Co Enviroprobe <br /> Site Location 6421 Capitol Avenue Rig/Auger Type Geoprobe 5400 / 1 25" rods <br /> Lodi, California Logged By T Mikacich <br /> Reviewed By N Henderson <br /> Project No AGE-NC-96-0232 Date(s) Drilled 05/08/00 <br /> Notes P-22 terrrunated at 20'bsg Grab water sample collected 4 Water level during drilling Page 1 of 1 <br /> between 17&20'bsg Backfilled with portland cement Water level in completed well <br /> Sample Blows PID Soil USCS Class and <br /> Depth ID /ft (ppm) Symbol Soil Description <br /> 0 <br /> CL Brown,moist,very stiff,SILTY LEAN CLAY,trace fine sand and light brown <br /> mottling No hydrocarbon(HC)odor <br /> -5 P-22-5' --- 0 <br /> CL Brown,moist,very stiff,LEAN CLAY WITH SAND,15%fine sand,trace iron <br /> oxidation and trace black organic matter No HC odor <br /> -10 P-22-10' --- 1 <br /> CL Light brown to olive-green,moist,very stiff LEAN CLAY,trace silt and fine sand, <br /> trace iron oxidation and black organic matter No HC odor <br /> -15 P-22-15' -- 4 <br /> SM Brown,wet,SILTY SAND and iron oxidation No HC odor <br /> -20— P-22-20' -- 2 Grab ground water sample P-22-W collected from 17 to 20 feet below surface grade <br /> (bsg) <br />