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Advanced BORING LOG <br /> GeoEnvironmental Inc. <br /> � BOREHOLE NO P-23 <br /> 4005 North Wilson Way, Stockton, CA 95205 <br /> - <br /> (209)467-1006 FAX (209)467118 TOTAL DEPTH 20 Feet 1 <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 05/08/00 <br /> Notes P-23 ten=ated at 20'bsg Grab water sample collected sz 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 Light brown to olive-green,damp, SILTY LEAN CLAY,white mineralization and <br /> trace iron oxidation No hydrocarbon(HC)odor <br /> -' P-23-5' -- --- <br /> SM Brown,moist,SILTY SAND,301/o silt,trace clay No HC odor <br /> _10— P-23-10' --- 1 <br /> — — SM Brown,moist, SILTY SAND,fine sand,30%silt,light brown mottling and trace <br /> iron oxidation No HC odor <br /> -15 P-23-15' --- 60 <br /> — — 1 <br /> SM Brown,wet,SILTY SAND,fine to medium sand No HC odor <br /> -20— <br /> P-23-20' -- 10 Grab ground water sample P-23-W collected from 17 to 20 feet below surface grade <br />