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Advanced BORING LOG <br /> GeoEnvironmental, Inc. BOREHOLE NO P-28 <br /> 4005 North Wilson Way, Stockton, CA 95205 <br /> (209)467-1006 FAX (209)467-1118 <br /> TOTAL DEPTH 20 Feet <br /> Project FLAG CITY CHEVRON Drilling Co Enviroprobe <br /> Site Location 6421 Capitol Avenue Rig/Auger Type Geoprobe 5400/ 125" rods <br /> Lodi, California Logged By T Mikacich <br /> Reviewed By N Henderson <br /> Project No AGE-NC-96-0232 Date(s) Drilled 05/09/00 <br /> Notes P-28 terminated at 20'bsg Grab water sample collected s Water level during drilling Page 1 of 1 <br /> between 17&20'bsg Backfilled with portland cement x Water level in completed well <br /> Sample Blows AID Soil USCS Class and <br /> Depth ID 1 ft (ppm) Symbol Soil Description <br /> 0 <br /> ML Brown,moist,CLAYEY SILT,trace fine sand,trace mica,light brown mottling and <br /> trace iron oxidation No hydrocarbon(HC)odor <br /> -5 P-28-5' --- 0 <br /> 7 SM Brown to gray,wet,SILTY SAND,fine to medium sand,20%silt,trace mica No <br /> HC odor <br /> -10 P-28-10' --- l <br /> i CL Light brown to olive-green,moist,SILTY LEAN CLAY,trace fine sand,abundant <br /> - od <br /> brown mottling and trace iron oxidation No HC odor <br /> -15— P-28-15' -.- 3 <br /> SM Brown,wet, SILTY SAND,trace mica and iron oxidation No HC odor <br /> -20— <br /> P-28-20' -- 4 <br /> Grab ground water sample P-28-W collected from 17 to 20 feet below surface grade <br /> (bsg) <br />