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Advanced BORING LOG <br /> GeoEnvironmental, Inc. BOREHOLE NO P-24 <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 / 125"rods <br /> Lodi, California Logged By T Mikacich <br /> Reviewed By N Henderson <br /> Project No AGE-NC-46-0232 Date(s) Drilled 05/08/00 <br /> Notes P-24 terminated at 20'bsg Grab water sample collected = Water level during drilling Page 9 of 1 <br /> between 17&20'bsg Backfilled with portland cement s Water level in completed well <br /> Sample Blows PID Soil USCS Class and <br /> Depth ID /ft (ppm) Symbol Sod Description <br /> 0 <br /> No soil sample collected,pea-gravel backfill <br /> -5 <br /> No soil sample collected,wet pea-gravel <br /> _20— <br /> CL Light brown to olive-green,wet, SILTY LEAN CLAY,white mineralization No HC <br /> odor <br /> -15 P-24-15' -- 0 <br /> SM Brown,wet,SILTY SAND,30%silt,white mineralization and iron oxidation No <br /> HC odor <br /> -20— <br /> P-24-20' -- 0 — <br /> Grab ground water sample P-24-W collected from 17 to 20 feet below surface grade <br /> (bsg) <br />